Bangkok Weather by Month
Bangkok has a tropical monsoon climate with consistently warm temperatures throughout the year. Average daytime highs remain between 32°C and 36°C (90°F–97°F), while nighttime temperatures rarely drop below 22°C (72°F). The city experiences three distinct seasons: the cool and dry season (November to February), the hot season (March to May), and the rainy season (May to October).
Although rain can occur year-round, the heaviest rainfall typically arrives from August through October, with September being the wettest month. Here is a detailed month-by-month guide to Bangkok weather.
Bangkok Weather by Month
You can click the image below to view the full-size weather chart for Bangkok.
January – Cool, Dry, and Comfortable
- Average high: 33°C (91°F)
- Average low: 23°C (73°F)
- Rainfall: 22.4 mm (0.88 inches)
- Rainy days: 1 day
- Daylight: 11.5 hours
January is one of the most pleasant months in Bangkok. Humidity levels are relatively low, rainfall is minimal, and temperatures remain warm without becoming oppressive.
The comfortable weather makes sightseeing much easier, whether you’re exploring temples, markets, or rooftop bars.
Best for:
- City sightseeing
- Temple visits
- Walking tours
- Outdoor dining
February – Sunny Days and Low Humidity
- Average high: 33°C (91°F)
- Average low: 25°C (77°F)
- Rainfall: 30.5 mm (1.20 inches)
- Rainy days: 2 days
- Daylight: 11.5 hours
February continues Bangkok’s dry season with abundant sunshine and only occasional showers. Temperatures begin to rise slightly, but conditions remain comfortable compared to later months.
This is one of the busiest travel periods thanks to the reliable weather.
Best for:
- First-time visitors
- Outdoor attractions
- River cruises
- Photography
March – Warmer Days and Growing Heat
- Average high: 34°C (93°F)
- Average low: 26°C (79°F)
- Rainfall: 41.1 mm (1.62 inches)
- Rainy days: 2 days
- Daylight: 12 hours
March marks the transition toward Bangkok’s hot season. Sunshine remains dominant, while temperatures and humidity gradually increase.
Visitors should plan outdoor activities earlier in the day and take advantage of air-conditioned attractions during the afternoon.
Best for:
- Cultural attractions
- Shopping malls
- Evening markets
- Food tours
April – The Hottest Month of the Year
- Average high: 36°C (97°F)
- Average low: 27°C (81°F)
- Rainfall: 95.6 mm (3.76 inches)
- Rainy days: 6 days
- Daylight: 12.5 hours
April is typically the hottest month in Bangkok. Afternoon temperatures can feel even higher due to humidity, and brief thunderstorms become more common.
The Thai New Year festival, Songkran, takes place in April and offers a fun way to cool off during the intense heat.
Best for:
- Songkran Festival
- Indoor attractions
- Rooftop dining after sunset
- Nightlife
May – Beginning of the Rainy Season
- Average high: 35°C (95°F)
- Average low: 26°C (79°F)
- Rainfall: 229.6 mm (9.04 inches)
- Rainy days: 15 days
- Daylight: 12.5 hours
May signals the arrival of the southwest monsoon. Rainfall increases significantly, although storms are often concentrated in the late afternoon or evening.
Despite wetter conditions, mornings are frequently sunny.
Best for:
- Budget travel
- Shopping
- Museums
- Flexible itineraries
June – Warm and Frequently Wet
- Average high: 34°C (93°F)
- Average low: 26°C (79°F)
- Rainfall: 181.4 mm (7.14 inches)
- Rainy days: 15 days
- Daylight: 13 hours
June brings a mix of sunshine, clouds, and regular rain showers. The city remains hot and humid, but rainfall helps moderate extreme temperatures.
Travelers should carry an umbrella and expect occasional traffic disruptions during storms.
Best for:
- Food experiences
- Shopping centers
- Cultural attractions
- Short city breaks
July – Tropical Showers Become Common
- Average high: 33°C (91°F)
- Average low: 26°C (79°F)
- Rainfall: 200.5 mm (7.89 inches)
- Rainy days: 16 days
- Daylight: 13 hours
July is firmly within the rainy season. Downpours occur more frequently, though they are often short-lived rather than lasting all day.
The city remains lively, and many attractions continue operating normally despite the wetter weather.
Best for:
- Budget-conscious travelers
- Temple visits
- Food markets
- Indoor entertainment
August – Peak Monsoon Conditions
- Average high: 33°C (91°F)
- Average low: 26°C (79°F)
- Rainfall: 228.3 mm (8.99 inches)
- Rainy days: 17 days
- Daylight: 12.5 hours
August sees heavy rainfall and high humidity. Tropical showers become a regular part of daily life, particularly during afternoons and evenings.
While outdoor plans may occasionally be interrupted, visitors can still enjoy many indoor attractions.
Best for:
- Shopping
- Cafés and restaurants
- Museums
- Spa experiences
September – Wettest Month of the Year
- Average high: 33°C (91°F)
- Average low: 25°C (77°F)
- Rainfall: 351.1 mm (13.82 inches)
- Rainy days: 19 days
- Daylight: 12 hours
September is usually Bangkok’s wettest month. Heavy rainstorms are common, and localized flooding can occasionally affect transportation.
Travelers should allow extra time for getting around and maintain flexible schedules.
Best for:
- Hotel deals
- Indoor sightseeing
- Culinary experiences
- Shopping trips
October – Rainy Season Begins to Ease
- Average high: 33°C (91°F)
- Average low: 25°C (77°F)
- Rainfall: 279.7 mm (11.01 inches)
- Rainy days: 16 days
- Daylight: 12 hours
October remains quite wet, but rainfall gradually decreases compared to September. Toward the end of the month, conditions begin improving as the monsoon weakens.
Lush greenery and fewer crowds can make this an attractive time to visit.
Best for:
- Photography
- Parks and gardens
- River cruises
- Budget travel
November – Start of the Cool Season
- Average high: 33°C (91°F)
- Average low: 24°C (75°F)
- Rainfall: 57.8 mm (2.28 inches)
- Rainy days: 5 days
- Daylight: 11.5 hours
November marks the return of drier weather and lower humidity. Conditions become noticeably more comfortable, making it one of the best months to explore Bangkok.
The city’s outdoor attractions are especially enjoyable during this period.
Best for:
- Sightseeing
- Temple hopping
- Outdoor markets
- Day trips
December – Pleasant Weather and Peak Tourist Season
- Average high: 32°C (90°F)
- Average low: 22°C (72°F)
- Rainfall: 5.8 mm (0.23 inches)
- Rainy days: 0 days
- Daylight: 11.5 hours
December is one of the driest months in Bangkok. Sunny skies, lower humidity, and comfortable evenings attract visitors from around the world.
The weather is ideal for outdoor exploration and festive celebrations.
Best for:
- Christmas and New Year travel
- Outdoor sightseeing
- Rooftop bars
- Family vacations
Bangkok Weather by Month Table
| Month | Avg High °F (°C) | Avg Low °F (°C) | Rainfall (inches) | Rainy Days | Sun (hrs/day) |
|---|---|---|---|---|---|
| Jan | 91°F (33°C) | 73°F (23°C) | 0.88 | 1 | 11.5 |
| Feb | 91°F (33°C) | 77°F (25°C) | 1.20 | 2 | 11.5 |
| Mar | 93°F (34°C) | 79°F (26°C) | 1.62 | 2 | 12.0 |
| Apr | 97°F (36°C) | 81°F (27°C) | 3.76 | 6 | 12.5 |
| May | 95°F (35°C) | 79°F (26°C) | 9.04 | 15 | 12.5 |
| Jun | 93°F (34°C) | 79°F (26°C) | 7.14 | 15 | 13.0 |
| Jul | 91°F (33°C) | 79°F (26°C) | 7.89 | 16 | 13.0 |
| Aug | 91°F (33°C) | 79°F (26°C) | 8.99 | 17 | 12.5 |
| Sep | 91°F (33°C) | 77°F (25°C) | 13.82 | 19 | 12.0 |
| Oct | 91°F (33°C) | 77°F (25°C) | 11.01 | 16 | 12.0 |
| Nov | 91°F (33°C) | 75°F (24°C) | 2.28 | 5 | 11.5 |
| Dec | 90°F (32°C) | 72°F (22°C) | 0.23 | 0 | 11.5 |
Best Time to Visit Bangkok
The best time to visit Bangkok is generally November through February, when temperatures are warm, humidity is lower, and rainfall is minimal. Travelers looking for fewer crowds and lower prices may prefer May through October, although they should be prepared for frequent rain showers and occasional heavy storms.
20 FAQs About Bangkok Weather
1. What is the best month to visit Bangkok?
The best months to visit Bangkok are generally November through February, when rainfall is low, humidity is more comfortable, and temperatures are slightly cooler than the rest of the year.
2. What is the hottest month in Bangkok?
April is typically the hottest month, with average highs around 36°C (97°F) and high humidity levels.
3. What is the coldest month in Bangkok?
December is usually the coolest month, with average lows around 22°C (72°F) and pleasant evenings.
4. Does Bangkok have a rainy season?
Yes. Bangkok’s rainy season usually runs from May to October, influenced by the southwest monsoon.
5. What is the wettest month in Bangkok?
September is generally the wettest month, receiving about 351 mm (13.8 inches) of rainfall.
6. Does it rain every day during the rainy season?
Not necessarily. Rain often comes in short but heavy afternoon or evening thunderstorms, leaving parts of the day sunny.
7. How humid is Bangkok?
Bangkok is humid year-round, with humidity levels often ranging from 60% to over 85%, especially during the rainy season.
8. What is the driest month in Bangkok?
December is usually the driest month, with only about 5.8 mm (0.23 inches) of rainfall.
9. Is Bangkok weather suitable for sightseeing?
Yes. Sightseeing is most comfortable from November to February, when temperatures and humidity are lower.
10. Can flooding occur in Bangkok during the rainy season?
Yes. Heavy rainfall, especially in September and October, can occasionally cause localized flooding and traffic delays.
11. What should I wear in Bangkok?
Lightweight, breathable clothing made from cotton or moisture-wicking fabrics is recommended due to the warm climate.
12. How much sunshine does Bangkok receive?
Bangkok enjoys approximately 11.5 to 13 hours of daylight per day, depending on the season.
13. Is Bangkok warm all year?
Yes. Average daytime temperatures remain between 32°C and 36°C (90°F–97°F) throughout the year.
14. Is Bangkok a good destination during the rainy season?
Yes, if you don’t mind occasional rain showers. Hotels are often cheaper, and tourist attractions are less crowded.
15. Does Bangkok experience typhoons?
Bangkok is rarely hit directly by typhoons, but tropical storms in the region can increase rainfall and cloud cover.
16. What is the weather like in Bangkok in December?
December is warm, sunny, and dry, making it one of the most popular months for tourism.
17. Is April a good time to visit Bangkok?
April can be extremely hot, but many visitors enjoy the famous Songkran Festival, Thailand’s New Year celebration.
18. When is Bangkok’s cool season?
The cool season typically lasts from November through February, although temperatures are still warm by international standards.
19. How many rainy days does Bangkok have each year?
Bangkok averages approximately 114 rainy days per year, with most occurring during the monsoon season.
20. What is the overall climate of Bangkok?
Bangkok has a tropical monsoon climate, characterized by hot temperatures year-round, a distinct wet season, and a relatively dry winter period.
Read more:
