Cabo San Lucas Weather by Month

Cabo San Lucas, located at the southern tip of Mexico’s Baja California Peninsula, has a warm desert climate with abundant sunshine, very low rainfall for much of the year, and a short summer rainy season. Winters are mild and comfortable, while late spring and early summer bring increasingly hot temperatures and long, sunny days.

The warmest months are June through September, when average daytime temperatures reach around 88–93°F (31–34°C). August and September are the wettest months, with September receiving approximately 4.14 inches (105.2 mm) of rainfall. November through May is generally very dry, making this period particularly appealing for outdoor activities, sightseeing, and beach walks.

Cabo San Lucas Weather by Month

You can click the image below to view the full-size weather chart for Cabo San Lucas.

January – Mild, Sunny and Very Dry

Average high: 77°F (25°C)
Average low: 54°F (12°C)
Rainfall: 0.43 inches (10.9 mm)
Daylight: 11 hours

January is one of the coolest months in Cabo San Lucas, but the weather remains pleasantly warm compared with many winter destinations. Average daytime temperatures reach around 77°F (25°C), while nighttime temperatures fall to approximately 54°F (12°C). The mild afternoons are ideal for exploring the marina, walking along Medano Beach, and taking boat trips to see the famous El Arco rock formation.

Rainfall averages just 0.43 inches (10.9 mm), so most days are dry and sunny. The comfortable weather also makes January a great time for golfing, hiking, and whale-watching excursions. However, mornings and evenings can feel cool, so bringing a light jacket is recommended.

Best for:

Whale watching and boat tours
Exploring the marina and El Arco
Enjoying sunny beach walks
Golfing and outdoor sightseeing

February – Pleasant, Warm and Dry

Average high: 79°F (26°C)
Average low: 54°F (12°C)
Rainfall: 0.12 inches (3 mm)
Daylight: 11.5 hours

February brings slightly warmer daytime temperatures and very little rainfall to Cabo San Lucas. Average highs reach approximately 79°F (26°C), while lows remain around 54°F (12°C). The days are comfortable for spending time outdoors without the intense heat that arrives later in spring and summer.

With only about 0.12 inches (3 mm) of rainfall, February is one of the driest months of the year. Visitors can enjoy clear skies, boat excursions, coastal scenery, and outdoor dining with little concern about rain. Evenings remain relatively cool, especially near the coast, so a light layer is useful after sunset.

Best for:

Whale watching during the winter season
Boat trips to Land’s End
Beach walks and photography
Outdoor dining and sightseeing

March – Warm, Sunny and Almost Rain-Free

Average high: 81°F (27°C)
Average low: 55°F (13°C)
Rainfall: 0.05 inches (1.2 mm)
Daylight: 12 hours

March is a warm and exceptionally dry month in Cabo San Lucas. Average daytime temperatures climb to around 81°F (27°C), while nighttime temperatures average 55°F (13°C). The pleasant weather is excellent for exploring the coastline, relaxing at beach clubs, and enjoying outdoor adventures.

Rainfall averages only 0.05 inches (1.2 mm), making rain extremely uncommon. Longer daylight hours provide additional time for snorkeling, kayaking, sightseeing, and visiting nearby desert landscapes. March can also be a busy travel period, particularly around spring break, so popular beaches and restaurants may be more crowded.

Best for:

Snorkeling and kayaking on calm days
Exploring Cabo’s beaches and coastline
Hiking and desert excursions
Enjoying long, sunny afternoons

April – Warm, Dry and Increasingly Sunny

Average high: 85°F (29°C)
Average low: 59°F (15°C)
Rainfall: 0.02 inches (0.4 mm)
Daylight: 12.5 hours

April brings warmer afternoons and longer days to Cabo San Lucas. Average highs reach around 85°F (29°C), while nighttime temperatures rise to approximately 59°F (15°C). The combination of warm weather, clear skies, and almost nonexistent rainfall makes April an excellent month for a beach vacation.

Rainfall averages just 0.02 inches (0.4 mm), so outdoor plans are rarely disrupted by wet weather. Visitors can spend the day swimming, taking boat tours, exploring local attractions, or enjoying the region’s dramatic desert scenery. The midday sun becomes stronger, making sunscreen, sunglasses, and plenty of water essential.

Best for:

Beach vacations and sunbathing
Boat tours and coastal sightseeing
Snorkeling and water activities
Exploring the desert landscape

May – Hot, Sunny and Extremely Dry

Average high: 88°F (31°C)
Average low: 61°F (16°C)
Rainfall: 0.004 inches (0.1 mm)
Daylight: 13 hours

May marks the transition into hotter weather in Cabo San Lucas. Average daytime temperatures reach approximately 88°F (31°C), while nighttime temperatures average 61°F (16°C). The warm conditions are ideal for travelers who enjoy sunshine, although afternoons can feel hot during strenuous outdoor activities.

Rainfall is almost nonexistent at just 0.004 inches (0.1 mm). With around 13 hours of daylight, visitors have plenty of time to enjoy the beaches, explore the marina, and take boat excursions. May can also offer a quieter atmosphere than the busiest winter and spring travel periods, making it appealing for a more relaxed getaway.

Best for:

Sunbathing and beach relaxation
Swimming and resort vacations
Exploring Cabo’s coastal attractions
Enjoying long, sunny days

June – Hot, Sunny and Mostly Dry

Average high: 90°F (32°C)
Average low: 64°F (18°C)
Rainfall: 0 inches (0 mm)
Daylight: 13.5 hours

June brings hot summer weather to Cabo San Lucas, with average daytime temperatures reaching around 90°F (32°C). Nighttime temperatures rise to approximately 64°F (18°C), making evenings warmer and more comfortable for outdoor dining and waterfront strolls.

Despite the summer heat, rainfall averages 0 inches (0 mm) in the supplied climate data. The long days provide plenty of sunshine for beach activities, boat tours, and swimming. However, midday temperatures can be intense, so visitors should plan demanding outdoor activities for the morning or late afternoon and stay well hydrated.

Best for:

Resort and poolside relaxation
Swimming and beach activities
Sunset cruises and evening dining
Early-morning outdoor adventures

July – Very Hot with a Slight Increase in Rainfall

Average high: 93°F (34°C)
Average low: 72°F (22°C)
Rainfall: 0.45 inches (11.5 mm)
Daylight: 13.5 hours

July is one of the hottest months in Cabo San Lucas. Average highs reach approximately 93°F (34°C), while nighttime temperatures average 72°F (22°C). The combination of hot afternoons and warm evenings gives the destination a distinctly summery atmosphere.

Rainfall increases slightly to about 0.45 inches (11.5 mm), although conditions remain predominantly dry. Visitors can enjoy beaches, swimming pools, boat excursions, and water sports, but the strongest afternoon heat may make extended hiking less comfortable. Lightweight clothing, sunscreen, and regular hydration are particularly important this month.

Best for:

Swimming and water sports
Relaxing at beach resorts
Sunset cruises and evening activities
Poolside relaxation during hot afternoons

August – Hot, Humid and Increasingly Wet

Average high: 93°F (34°C)
Average low: 75°F (24°C)
Rainfall: 2.31 inches (58.7 mm)
Daylight: 13 hours

August remains very hot in Cabo San Lucas, with average daytime temperatures around 93°F (34°C) and nighttime lows near 75°F (24°C). Warm evenings make outdoor dining enjoyable, although the heat can feel more intense than during the winter and spring months.

Rainfall rises to approximately 2.31 inches (58.7 mm), signaling the start of the wetter part of the year. Showers may interrupt some outdoor plans, and tropical weather systems can occasionally bring heavier rain. Travelers should keep their itineraries flexible and check local forecasts before boat trips or excursions. Despite the increased rainfall, August still offers opportunities to enjoy the beaches and resort facilities.

Best for:

Resort stays and swimming pools
Beach relaxation between showers
Sunset dining and evening outings
Flexible itineraries with indoor alternatives

September – Very Hot and the Wettest Month

Average high: 91°F (33°C)
Average low: 73°F (23°C)
Rainfall: 4.14 inches (105.2 mm)
Daylight: 12.5 hours

September is typically the wettest month in Cabo San Lucas, with average rainfall reaching approximately 4.14 inches (105.2 mm). Daytime temperatures remain hot at around 91°F (33°C), while nighttime lows average 73°F (23°C). The weather feels summery throughout the month, but rainfall and tropical storm risks are more important considerations.

Although sunny periods still occur, September has a greater chance of heavy showers and weather-related disruptions than most other months. Cabo lies in a region that can be affected by tropical cyclones during the Pacific hurricane season, so travelers should monitor official weather advisories and consider flexible bookings. Outdoor activities are best planned around the forecast.

Best for:

Relaxing at resorts with flexible plans
Enjoying quiet beaches during suitable weather
Spa treatments and indoor activities
Travelers who can adapt plans to changing conditions

October – Hot, Warm Evenings and Declining Rainfall

Average high: 90°F (32°C)
Average low: 70°F (21°C)
Rainfall: 1.24 inches (31.4 mm)
Daylight: 11.5 hours

October brings gradually improving conditions to Cabo San Lucas as temperatures begin to ease and rainfall declines. Average daytime highs reach around 90°F (32°C), while nighttime lows average 70°F (21°C). The weather remains hot enough for beach vacations, swimming, and water-based excursions.

Rainfall drops to approximately 1.24 inches (31.4 mm), considerably less than in September. However, October still falls within the Pacific hurricane season, so occasional tropical weather systems remain possible. Checking the forecast before planning boat trips or outdoor excursions is worthwhile. As conditions improve, October becomes an attractive month for travelers seeking warm weather before the winter high season.

Best for:

Beach vacations and swimming
Boat tours on suitable-weather days
Exploring the marina and local attractions
Enjoying warm evenings outdoors

November – Warm, Sunny and Mostly Dry

Average high: 84°F (29°C)
Average low: 63°F (17°C)
Rainfall: 0.37 inches (9.3 mm)
Daylight: 11 hours

November brings more comfortable temperatures and a return to predominantly dry weather in Cabo San Lucas. Average highs reach approximately 84°F (29°C), while nighttime lows fall to around 63°F (17°C). The cooler afternoons are excellent for exploring the destination without the intense heat of summer.

Rainfall averages just 0.37 inches (9.3 mm), making wet weather relatively uncommon. Visitors can enjoy boat trips, beach walks, golfing, snorkeling, and outdoor dining. November is also a good transition month for travelers who want warm conditions while avoiding some of the hottest summer weather. A light jacket may be useful during cooler evenings.

Best for:

Exploring beaches and coastal landmarks
Boat tours and marine wildlife excursions
Golfing and outdoor sightseeing
Enjoying comfortable temperatures and sunshine

December – Mild, Sunny and Dry

Average high: 81°F (27°C)
Average low: 57°F (14°C)
Rainfall: 0.52 inches (13.2 mm)
Daylight: 11 hours

December is a popular month to visit Cabo San Lucas thanks to its mild daytime temperatures and generally dry weather. Average highs reach around 81°F (27°C), while nighttime lows average 57°F (14°C). The pleasant afternoons provide a welcome escape from colder winter climates, making December ideal for outdoor sightseeing and relaxing by the coast.

Rainfall averages approximately 0.52 inches (13.2 mm), so most days remain suitable for outdoor activities. Visitors can enjoy the marina, take boat trips to El Arco, explore local restaurants, or spend time on the beach. Evenings can be cool, particularly near the water, so packing a light jacket is advisable. December is also a busy holiday travel period, and booking accommodation and popular excursions in advance is recommended.

Best for:

Winter sun and beach vacations
Whale-watching excursions as the season begins
Boat trips and coastal sightseeing
Holiday dining and outdoor activities

Cabo San Lucas Weather by Month

Month	Avg High °F (°C)	Avg Low °F (°C)	Rainfall (inches)	Daylight (hours)
January	77°F (25°C)	54°F (12°C)	0.43	11
February	79°F (26°C)	54°F (12°C)	0.12	11.5
March	81°F (27°C)	55°F (13°C)	0.05	12
April	85°F (29°C)	59°F (15°C)	0.02	12.5
May	88°F (31°C)	61°F (16°C)	0.004	13
June	90°F (32°C)	64°F (18°C)	0.00	13.5
July	93°F (34°C)	72°F (22°C)	0.45	13.5
August	93°F (34°C)	75°F (24°C)	2.31	13
September	91°F (33°C)	73°F (23°C)	4.14	12.5
October	90°F (32°C)	70°F (21°C)	1.24	11.5
November	84°F (29°C)	63°F (17°C)	0.37	11
December	81°F (27°C)	57°F (14°C)	0.52	11

20 FAQs About Cabo San Lucas Weather

1. What is the best month to visit Cabo San Lucas?

The best months to visit Cabo San Lucas are generally November through May, when temperatures are warm, rainfall is low, and conditions are ideal for beaches, sightseeing, and outdoor activities.

2. What is the weather like in Cabo San Lucas year-round?

Cabo San Lucas has a warm desert climate with abundant sunshine, hot summers, and mild winters. Most months are very dry, although rainfall increases in August, September, and October.

3. What is the hottest month in Cabo San Lucas?

July and August are typically the hottest months, with average highs around 93°F (34°C). September also remains hot, with average highs near 91°F (33°C).

4. What is the coldest month in Cabo San Lucas?

January is one of the coolest months, with an average high of 77°F (25°C) and an average low of 54°F (12°C). February has similar nighttime temperatures.

5. Does it rain a lot in Cabo San Lucas?

No, Cabo San Lucas is generally very dry. September is the wettest month in the supplied data, with approximately 4.14 inches (105.2 mm) of rainfall, while most other months receive much less.

6. What is the rainiest month in Cabo San Lucas?

September is the rainiest month, averaging about 4.14 inches (105.2 mm) of rainfall. August is also relatively wet, with approximately 2.31 inches (58.7 mm).

7. What is the driest month in Cabo San Lucas?

June is among the driest months, with no measurable rainfall shown in the supplied data. May and April are also exceptionally dry.

8. Is Cabo San Lucas sunny in January?

Yes, January is generally sunny and pleasant. Average daytime temperatures reach around 77°F (25°C), making it a good month for beach walks, boat tours, and outdoor sightseeing.

9. Is Cabo San Lucas too hot in summer?

Summer can be very hot, with average highs reaching 90–93°F (32–34°C) from June through September. Visitors can still enjoy the beaches and pools, but outdoor activities are often more comfortable in the morning or late afternoon.

10. Is Cabo San Lucas humid?

Cabo San Lucas generally has a dry desert climate, although humidity can feel higher during the summer rainy season. August and September may feel more humid than the cooler, drier months.

11. Can you swim in Cabo San Lucas in January?

Yes, swimming is possible in January, particularly for visitors accustomed to cooler ocean water. However, sea temperatures can feel cool to some swimmers, so checking local water conditions before heading out is advisable.

12. Is March a good time to visit Cabo San Lucas?

Yes, March is an excellent time to visit. Average highs are around 81°F (27°C), rainfall is minimal, and approximately 12 hours of daylight provide plenty of time for beach activities and excursions.

13. Is April a good month for a Cabo San Lucas vacation?

April is a great month for a vacation, with average highs of 85°F (29°C), very little rainfall, and around 12.5 hours of daylight. It is ideal for swimming, boating, and relaxing at beach resorts.

14. Is May too hot to visit Cabo San Lucas?

May is hot but remains a popular option for travelers who enjoy warm, dry weather. Average highs reach 88°F (31°C), and rainfall is almost nonexistent. Sunscreen and regular hydration are important.

15. Is September a good time to visit Cabo San Lucas?

September can offer hot weather and potentially quieter travel conditions, but it is the wettest month and falls within the Pacific hurricane season. Travelers should monitor weather advisories and choose flexible travel arrangements.

16. Is October a good time to visit Cabo San Lucas?

October can be a good month for warm-weather travel, with average highs near 90°F (32°C). Rainfall declines compared with September, although tropical storms and hurricanes remain possible.

17. What is Cabo San Lucas like in December?

December is warm, sunny, and generally dry. Average highs reach 81°F (27°C), while nighttime temperatures fall to around 57°F (14°C). It is an appealing destination for a winter getaway.

18. How many hours of daylight does Cabo San Lucas get?

Cabo San Lucas receives approximately 11 hours of daylight in January and December, increasing to around 13–13.5 hours in June and July. Longer summer days allow more time for outdoor activities.

19. What should I pack for Cabo San Lucas weather?

Pack lightweight clothing, swimwear, sunglasses, sunscreen, comfortable walking shoes, and a hat. A light jacket is useful for winter evenings. If visiting between August and October, consider bringing a compact rain jacket and checking the forecast regularly.

20. When is hurricane season in Cabo San Lucas?

The Eastern Pacific hurricane season officially runs from May 15 through November 30. Cabo San Lucas can experience tropical storms or hurricanes during this period, with September typically among the wetter months. Check official forecasts and travel advisories before and during your trip.

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