What is the weather like in Bangkok throughout the year?

Bangkok experiences varying weather throughout the year. The warmest month is April with average highs of 34°C. The coolest month is December.

What is the weather like in Bangkok in January?

Bangkok in January scores 63/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Bangkok in January?

January in Bangkok is ideal for: Photographers, Honeymoon couples, Business travelers.

Best Time to Visit Bangkok | 30-Year Weather Analysis

Why January is the Best Time to Visit Bangkok

Is January a Good Time to Visit Bangkok?

👌Good option with minor considerations(63/100)

Short Answer

January isn't Bangkok's most comfortable season - 31°C and sticky 64% humidity will challenge most visitors. Consider air-conditioned tours and plan for afternoon breaks.

Decision Factors

Vaccinations required

Yellow Fever

Feels significantly hotter than 31.3°C

Heat index: 37°C due to 64% humidity

Peak tourist season

96% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 4% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Dengue

Plenty of sunshine

10.2h of sunshine daily

Good For

📸
Photographers
10.2h sunshine, 57% clear skies for golden hour shots
💑
Honeymoon couples
Wedding score 98/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
Heat index of 37°C poses health risks
🌡️
Heat-sensitive visitors
37°C feels-like temperature creates discomfort

Warmest

April

34°C avg

Coolest

December

31°C avg

Driest

December

4% rain

Wettest

September

76% rain

Planning Your Trip to Bangkok, Thailand

Wondering when is the best time to visit Bangkok? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Bangkok are January, February, December. During these months, you'll experience optimal temperatures around 31°C with only 4% chance of rain.

The Bangkok climate varies throughout the year. April is the hottest month with average highs of 34°C, while December is the coldest at 31°C. If you're planning outdoor activities or sightseeing in Bangkok, avoid September when rainfall peaks at 76% probability.

For the best Bangkok weather experience, we recommend visiting during December for the driest conditions or the shoulder months of January and February for a perfect balance of weather and fewer crowds.

Bangkok Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Bangkok

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Bangkok: Travel Style Guide

Personalized Bangkok travel recommendations based on 30-year weather data

Beach Lovers

Warmest months with comfortable temperatures for outdoor activities

MarchAprilFebruary

Budget Travelers

Shoulder season with good weather and lower prices

AprilMay

Avoiding Crowds

Fewer tourists with acceptable weather conditions

MarchAprilMay

Honeymoon

Perfect conditions for a romantic getaway

JanuaryFebruaryDecember

Bangkok Weather FAQ: Your Questions Answered

What is the best time to visit Bangkok?

Based on 30 years of weather data, the best months to visit Bangkok are January, February, December. These months offer the optimal combination of pleasant temperatures (31°C avg) and low rainfall (4% chance).

When is the hottest time of year in Bangkok?

April is historically the warmest month in Bangkok with average highs of 34°C. If you prefer cooler weather, consider visiting in December when temperatures average around 31°C.

When is the rainy season in Bangkok?

September typically sees the most rainfall in Bangkok with a 76% chance of rain. For the driest conditions, plan your visit in December when rain probability drops to just 4%.

How accurate is the Bangkok weather forecast?

Our Bangkok climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Bangkok.

What should I pack for Bangkok?

Packing depends on when you visit. In April (warmest month), pack light summer clothes for 34°C weather. In December (coolest month), bring layers for 31°C temperatures. During September, pack rain gear as there's a 76% chance of rain.

Is Bangkok good for a destination wedding?

Yes! The best months for an outdoor wedding in Bangkok are December (only 4% rain chance) and January for optimal weather conditions. Avoid September when rain probability peaks at 76%.