Guanajuato Weather by Month
Guanajuato, Mexico, has a mild highland climate with warm days, cool nights, and a distinct rainy season during summer. Temperatures are generally pleasant throughout the year, making the city a good destination for exploring its colorful colonial streets, historic architecture, underground tunnels, and lively plazas.
The driest months are typically November through April, when rainfall is limited and outdoor sightseeing is comfortable. From June through September, rain becomes much more frequent, with July usually the wettest month. Daylight ranges from about 11 hours in winter to 13.5 hours in summer.
Guanajuato Weather by Month
You can click the image below to view the full-size weather chart for Guanajuato.
January – Mild, Cool and Dry
- Average high: 72°F (22°C)
- Average low: 48°F (9°C)
- Rainfall: 0.70 inches (17.9 mm)
- Daylight: 11 hours
January is one of the coolest months in Guanajuato, but daytime temperatures remain mild and pleasant. Average highs reach around 72°F (22°C), while nighttime temperatures drop to approximately 48°F (9°C). The comfortable afternoons are ideal for walking through the historic city center, admiring colorful colonial buildings, and visiting the famous Callejón del Beso.
Rainfall averages just 0.70 inches (17.9 mm), making January a relatively dry month with plenty of opportunities for outdoor exploration. Mornings and evenings can feel chilly, so bringing a light jacket or sweater is recommended.
Best for:
- Exploring Guanajuato’s historic center
- Visiting museums and colonial landmarks
- Enjoying walking tours in comfortable weather
- Taking photographs of the city’s colorful streets
February – Mild, Sunny and Dry
- Average high: 73°F (23°C)
- Average low: 50°F (10°C)
- Rainfall: 0.57 inches (14.6 mm)
- Daylight: 11.5 hours
February brings slightly warmer temperatures and very little rainfall to Guanajuato. Average daytime highs reach 73°F (23°C), while nighttime lows average 50°F (10°C). The mild weather makes it an excellent month for exploring the city’s historic neighborhoods, relaxing in outdoor cafés, and discovering its charming plazas.
Rainfall averages only 0.57 inches (14.6 mm), so most days are suitable for outdoor activities. With approximately 11.5 hours of daylight, visitors have more time to explore the city’s attractions. A light jacket is still useful for early mornings and cooler evenings.
Best for:
- Exploring the historic city center
- Enjoying outdoor cafés and restaurants
- Visiting the Alhóndiga de Granaditas
- Taking day trips around the surrounding highlands
March – Warm, Comfortable and Dry
- Average high: 81°F (27°C)
- Average low: 52°F (11°C)
- Rainfall: 0.30 inches (7.6 mm)
- Daylight: 12 hours
March marks the arrival of warmer daytime weather in Guanajuato. Average highs rise to approximately 81°F (27°C), while nighttime temperatures remain relatively cool at 52°F (11°C). The combination of warm afternoons and crisp evenings creates excellent conditions for sightseeing and exploring the city’s steep streets on foot.
Rainfall averages just 0.30 inches (7.6 mm), making March one of the driest months of the year. Visitors can generally expect favorable conditions for walking tours, cultural excursions, and outdoor photography. Comfortable clothing, sunscreen, and a light evening layer are useful during this time.
Best for:
- Walking through colorful historic neighborhoods
- Exploring plazas and outdoor markets
- Photographing colonial architecture
- Enjoying day trips and outdoor sightseeing
April – Warm, Sunny and Very Dry
- Average high: 84°F (29°C)
- Average low: 55°F (13°C)
- Rainfall: 0.37 inches (9.4 mm)
- Daylight: 12.5 hours
April is one of the warmest and driest months in Guanajuato. Average daytime temperatures reach around 84°F (29°C), while nighttime lows settle near 55°F (13°C). The warm afternoons are ideal for exploring the city’s historic landmarks, wandering through narrow alleyways, and enjoying the lively atmosphere of its central squares.
Rainfall remains extremely low at approximately 0.37 inches (9.4 mm), so rainy weather is unlikely to interrupt most travel plans. However, afternoon sunshine can feel strong, particularly when walking uphill or spending extended periods outdoors. Lightweight clothing, sunscreen, and drinking water are recommended.
Best for:
- Exploring the city on foot
- Visiting historic churches and museums
- Enjoying outdoor dining and sightseeing
- Taking scenic photographs in bright sunshine
May – Hot, Mostly Dry and Sunny
- Average high: 88°F (31°C)
- Average low: 57°F (14°C)
- Rainfall: 1.55 inches (39.4 mm)
- Daylight: 13 hours
May is typically the hottest month in Guanajuato, with average daytime highs reaching 88°F (31°C). Nighttime temperatures average 57°F (14°C), providing cooler conditions after sunset. The warmer weather is excellent for sightseeing, although midday heat can make walking through the city’s hilly streets more tiring.
Rainfall increases to approximately 1.55 inches (39.4 mm), signaling the gradual transition toward the summer rainy season. Most of the month remains relatively dry, but occasional showers may occur. Visitors should plan outdoor activities for the morning or late afternoon and take breaks in shaded areas during the hottest part of the day.
Best for:
- Exploring attractions early in the morning
- Enjoying evening walks and outdoor dining
- Visiting museums during the afternoon heat
- Discovering nearby towns and cultural sites
June – Warm, Cloudier and Increasingly Wet
- Average high: 82°F (28°C)
- Average low: 57°F (14°C)
- Rainfall: 4.43 inches (112.4 mm)
- Daylight: 13.5 hours
June brings a noticeable change in Guanajuato’s weather as the rainy season begins. Average daytime highs reach approximately 82°F (28°C), while nighttime lows remain around 57°F (14°C). Temperatures are still comfortable for sightseeing, but cloudier skies and more frequent showers become part of the daily weather pattern.
Rainfall increases to about 4.43 inches (112.4 mm), making June considerably wetter than the preceding months. Showers may develop during the afternoon or evening, so carrying a compact umbrella or lightweight rain jacket is advisable. With 13.5 hours of daylight, visitors can still enjoy plenty of time outdoors between showers.
Best for:
- Exploring museums and indoor cultural attractions
- Taking morning walking tours
- Enjoying the city’s restaurants and cafés
- Combining outdoor sightseeing with flexible indoor plans
July – Warm and Very Rainy
- Average high: 79°F (26°C)
- Average low: 57°F (14°C)
- Rainfall: 7.83 inches (198.9 mm)
- Daylight: 13.5 hours
July is the wettest month in Guanajuato, with rainfall reaching approximately 7.83 inches (198.9 mm). Average daytime temperatures remain comfortable at 79°F (26°C), while nighttime lows hover around 57°F (14°C). Although the weather is cooler than in May, frequent rain can affect outdoor sightseeing and walking tours.
Rain showers may be heavy at times, and wet cobblestone streets can become slippery. Visitors should bring waterproof footwear or comfortable shoes with good traction, along with an umbrella or rain jacket. Despite the rain, July offers lush surrounding landscapes and a refreshing atmosphere between showers.
Best for:
- Visiting museums and historic buildings
- Exploring covered markets and local cafés
- Enjoying cultural experiences and traditional cuisine
- Photographing the city after rainfall
August – Warm, Humid and Wet
- Average high: 79°F (26°C)
- Average low: 57°F (14°C)
- Rainfall: 5.54 inches (140.8 mm)
- Daylight: 13 hours
August continues the summer rainy season in Guanajuato. Average highs reach around 79°F (26°C), and nighttime temperatures remain near 57°F (14°C). The moderate temperatures make outdoor exploration possible, but frequent showers can interrupt longer excursions and make the city’s sloping streets more difficult to navigate.
Rainfall averages 5.54 inches (140.8 mm), which is substantial even though it is lower than July’s total. Visitors should prepare for changeable weather and keep some flexibility in their daily itineraries. Mornings are often a practical time for outdoor activities, while museums, churches, and cafés provide convenient alternatives when rain arrives.
Best for:
- Exploring indoor cultural attractions
- Taking shorter morning walking tours
- Sampling traditional Guanajuato cuisine
- Enjoying the city’s lively cafés and historic plazas between showers
September – Mild, Cloudy and Rainy
- Average high: 75°F (24°C)
- Average low: 55°F (13°C)
- Rainfall: 4.57 inches (116.1 mm)
- Daylight: 12.5 hours
September brings slightly cooler temperatures and continued rainfall to Guanajuato. Average daytime highs reach 75°F (24°C), while nighttime lows average 55°F (13°C). The milder conditions are comfortable for exploring the city, but wet weather remains a significant consideration for visitors planning outdoor activities.
Rainfall averages approximately 4.57 inches (116.1 mm), so showers are still common throughout the month. September also includes Mexico’s Independence Day celebrations, with festivities around September 15 and 16 bringing a lively atmosphere to many cities. Visitors interested in local culture may enjoy the celebrations, although it is wise to prepare for rain and busy public spaces.
Best for:
- Experiencing Mexican Independence Day festivities
- Exploring historic landmarks between showers
- Visiting museums and cultural attractions
- Enjoying traditional food and local celebrations
October – Mild, Pleasant and Gradually Drier
- Average high: 75°F (24°C)
- Average low: 54°F (12°C)
- Rainfall: 1.61 inches (41 mm)
- Daylight: 11.5 hours
October marks the transition toward Guanajuato’s dry season. Average daytime highs remain around 75°F (24°C), while nighttime lows fall to approximately 54°F (12°C). The pleasant temperatures are well suited to exploring the city’s historic streets, visiting cultural landmarks, and spending time in outdoor plazas.
Rainfall drops to around 1.61 inches (41 mm), a considerable decrease compared with the summer months. Although occasional showers are still possible, outdoor plans generally become easier to organize. October is also an appealing time to experience the city’s cultural calendar, including the internationally recognized Cervantino Festival, which typically takes place during October.
Best for:
- Attending the Cervantino Festival
- Exploring historic streets and cultural landmarks
- Enjoying outdoor restaurants and cafés
- Taking walking tours in comfortable weather
November – Mild, Cool and Mostly Dry
- Average high: 73°F (23°C)
- Average low: 50°F (10°C)
- Rainfall: 0.53 inches (13.4 mm)
- Daylight: 11 hours
November offers mild daytime temperatures and much drier conditions in Guanajuato. Average highs reach around 73°F (23°C), while nighttime temperatures fall to approximately 50°F (10°C). The comfortable afternoons are ideal for exploring the city’s architecture, wandering through its historic tunnels, and enjoying the atmosphere of its traditional neighborhoods.
Rainfall averages only 0.53 inches (13.4 mm), making November a reliable month for outdoor sightseeing. The cooler evenings are particularly pleasant for dining outdoors or enjoying the city’s lively central squares, although a sweater or jacket is recommended after sunset. Visitors may also encounter Día de Muertos traditions around the beginning of the month.
Best for:
- Exploring colonial streets and underground tunnels
- Experiencing Día de Muertos traditions
- Visiting museums and historic landmarks
- Enjoying outdoor dining in cool evening weather
December – Mild, Cool and Dry
- Average high: 73°F (23°C)
- Average low: 48°F (9°C)
- Rainfall: 0.35 inches (8.8 mm)
- Daylight: 11 hours
December brings cool nights, mild afternoons, and very little rain to Guanajuato. Average daytime highs reach approximately 73°F (23°C), while nighttime lows drop to 48°F (9°C). The pleasant daytime weather makes it possible to explore the city’s historic center, admire its festive decorations, and visit its churches and museums without dealing with summer heat.
Rainfall averages just 0.35 inches (8.8 mm), so December is generally a dry month. The main consideration is the temperature difference between daytime and nighttime. Visitors can enjoy sunny afternoon walks and festive evening events by bringing layers of clothing to stay comfortable after sunset.
Best for:
- Enjoying Christmas decorations and seasonal festivities
- Exploring historic churches and plazas
- Taking comfortable daytime walking tours
- Discovering local restaurants and traditional Mexican cuisine
Guanajuato Weather by Month
| Month | Avg High °F (°C) | Avg Low °F (°C) | Rainfall (inches) | Daylight (hours) |
|---|---|---|---|---|
| January | 72°F (22°C) | 48°F (9°C) | 0.70 | 11 |
| February | 73°F (23°C) | 50°F (10°C) | 0.57 | 11.5 |
| March | 81°F (27°C) | 52°F (11°C) | 0.30 | 12 |
| April | 84°F (29°C) | 55°F (13°C) | 0.37 | 12.5 |
| May | 88°F (31°C) | 57°F (14°C) | 1.55 | 13 |
| June | 82°F (28°C) | 57°F (14°C) | 4.43 | 13.5 |
| July | 79°F (26°C) | 57°F (14°C) | 7.83 | 13.5 |
| August | 79°F (26°C) | 57°F (14°C) | 5.54 | 13 |
| September | 75°F (24°C) | 55°F (13°C) | 4.57 | 12.5 |
| October | 75°F (24°C) | 54°F (12°C) | 1.61 | 11.5 |
| November | 73°F (23°C) | 50°F (10°C) | 0.53 | 11 |
| December | 73°F (23°C) | 48°F (9°C) | 0.35 | 11 |
Best Time to Visit Guanajuato
The best time to visit Guanajuato depends on your preferred weather and activities.
- March to April: Excellent for dry weather, warm temperatures, and outdoor sightseeing.
- November to February: Ideal for mild afternoons, cool evenings, and exploring historic attractions with little rain.
- May: Best for travelers who enjoy warmer weather, although midday temperatures can be hot.
- June to September: Suitable for visitors who don’t mind frequent rain and want to experience the summer season.
- October: A particularly appealing month for cultural experiences and the Cervantino Festival, with rainfall declining considerably.
Overall, November through April is one of the best periods for visiting Guanajuato if you prefer dry weather and comfortable conditions for walking around the city. March and April are especially attractive for outdoor exploration, while October is a great choice for travelers interested in festivals and cultural events.
20 FAQs About Guanajuato Weather
1. What is the weather like in Guanajuato, Mexico?
Guanajuato has a mild highland climate with warm days, cool nights, and a distinct rainy season. The city generally experiences dry conditions from November through April, while summer brings more frequent rainfall and slightly cooler daytime temperatures.
2. What is the best time to visit Guanajuato?
The best time to visit Guanajuato is generally from November through April, when rainfall is low and temperatures are comfortable for sightseeing. March and April are particularly good for outdoor activities, while October is appealing for cultural events and festivals.
3. What is the hottest month in Guanajuato?
May is typically the hottest month, with an average high of around 88°F (31°C). The afternoons can feel warm when walking through the city’s hilly streets, so sunscreen, lightweight clothing, and plenty of water are recommended.
4. What is the coldest month in Guanajuato?
January and December are among the coolest months. Average nighttime lows fall to around 48°F (9°C), while daytime highs reach approximately 72–73°F (22–23°C).
5. Does it snow in Guanajuato, Mexico?
Snow is extremely uncommon in Guanajuato city because of its relatively mild temperatures. Winter nights can feel chilly, but snowfall is not a typical feature of the local climate.
6. What is the rainiest month in Guanajuato?
July is usually the rainiest month, with average rainfall of approximately 7.83 inches (198.9 mm). June, August, and September are also relatively wet, so visitors traveling during summer should prepare for frequent showers.
7. What is the driest month in Guanajuato?
March is the driest month in the supplied climate data, with average rainfall of just 0.30 inches (7.6 mm). February, April, and December are also relatively dry months.
8. Does Guanajuato have a rainy season?
Yes. Guanajuato’s rainy season generally runs from June through September, with rainfall peaking in July. Showers may occur during the afternoon or evening, so carrying a compact umbrella or lightweight rain jacket is useful.
9. Is Guanajuato hot in the summer?
Guanajuato is generally warm rather than extremely hot during summer. Average daytime highs range from about 75°F (24°C) in September to 82°F (28°C) in June. Frequent rainfall helps moderate temperatures, although sunny periods can still feel warm.
10. Is Guanajuato cold in the winter?
Winter in Guanajuato is relatively mild compared with many destinations at higher latitudes. Daytime temperatures often reach the low 70s°F (around 22–23°C), but nighttime temperatures can fall to approximately 48–50°F (9–10°C). A jacket or sweater is recommended for evenings.
11. Is January a good time to visit Guanajuato?
Yes. January offers mild afternoons, cool nights, and low rainfall. With average highs around 72°F (22°C) and only 0.70 inches (17.9 mm) of rainfall, it is a good month for exploring historic buildings, museums, plazas, and colorful streets.
12. Is April a good month to visit Guanajuato?
April is an excellent month for travelers who prefer warm, dry weather. Average highs reach approximately 84°F (29°C), and rainfall averages just 0.37 inches (9.4 mm). Visitors should bring sunscreen and plan strenuous walking activities around the warmer midday hours.
13. Is May too hot to visit Guanajuato?
May can feel hot during the afternoon, with average highs of around 88°F (31°C). However, mornings and evenings are generally more comfortable. Travelers who enjoy warm weather can still have a pleasant visit by scheduling outdoor activities early or later in the day.
14. Is October a good time to visit Guanajuato?
Yes. October combines mild temperatures with declining rainfall. Average highs reach around 75°F (24°C), and rainfall drops to approximately 1.61 inches (41 mm). The month is also known for the Cervantino Festival, making it an attractive time for travelers interested in music, theater, and the arts.
15. How much rain does Guanajuato get each year?
Based on the monthly rainfall figures provided, Guanajuato receives approximately 28.35 inches (720.4 mm) of rainfall annually. Most precipitation falls between June and September, while the winter and early spring months are much drier.
16. How many hours of daylight does Guanajuato get?
Guanajuato experiences approximately 11 to 13.5 hours of daylight throughout the year. December and January have around 11 hours, while June and July have approximately 13.5 hours.
17. What should I wear in Guanajuato?
Lightweight clothing is suitable for warm daytime weather, particularly from March through May. Bring a light jacket or sweater for cooler evenings, comfortable walking shoes for cobblestone streets and hills, and a waterproof jacket or umbrella if visiting during the rainy season.
18. Is Guanajuato humid?
Guanajuato generally has a relatively dry highland climate, particularly during the dry season. Humidity and cloud cover can increase during the summer rainy season, but the weather is often more comfortable than in Mexico’s hot, humid coastal destinations.
19. Is Guanajuato good for outdoor activities year-round?
Yes. Outdoor sightseeing is possible throughout the year, although the experience varies by season. November through April is especially suitable for walking tours and exploring historic landmarks, while June through September may require flexible plans because of rain and slippery streets.
20. What is the cheapest time to visit Guanajuato based on weather?
Weather alone cannot determine the cheapest time to visit, since hotel rates and airfare depend on demand and local events. The rainy season from June through September may offer opportunities for lower prices at some accommodations, but travelers should compare current rates and consider the possibility of rain disrupting outdoor plans.
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