Weather in Bangkok in December 2025

Bangkok, the vibrant capital of Thailand, is a city that's always on the move. With its bustling streets, delicious street food, and rich cultural heritage, it's a must-visit destination for any traveler. But, if you're planning a trip to Bangkok in December, you might be wondering what the weather is like towards the end of the month. In this article, we'll delve into the Bangkok weather end of December, exploring the average temperatures, humidity levels, and precipitation patterns to help you plan your trip accordingly.

Weather Overview

December is one of the coolest months in Bangkok, with the average temperature ranging from 20°C to 25°C (68°F to 77°F). The city experiences a tropical savanna climate, characterized by high temperatures and high humidity levels throughout the year. However, as the year draws to a close, the weather in Bangkok starts to cool down, making it an ideal time to visit if you prefer milder temperatures.

As you approach the end of December, the temperature starts to drop even further, with average lows ranging from 15°C to 20°C (59°F to 68°F). This is a great time to explore the city's many indoor attractions, such as museums, shopping malls, and temples. If you're planning to visit the beach, you might want to consider heading to the nearby islands, such as Koh Samui or Phuket, which offer a more tropical climate.

Temperature Patterns

The temperature in Bangkok in December is characterized by a slight drop in average highs and lows. As you approach the end of the month, the average high temperature ranges from 25°C to 28°C (77°F to 82°F), while the average low temperature drops to around 15°C to 18°C (59°F to 64°F). This temperature range makes it ideal for exploring the city's many outdoor attractions, such as the Grand Palace, Wat Phra Kaew, and the Temple of the Emerald Buddha.

It's worth noting that the temperature can vary significantly depending on the time of day and the location within the city. For example, the temperature in the city center tends to be slightly cooler than in the outskirts, while the temperature near the Chao Phraya River can be slightly warmer due to the urban heat island effect.

Humidity Levels

December is one of the driest months in Bangkok, with an average relative humidity of around 60% to 70%. This is significantly lower than the average humidity levels throughout the year, which typically range from 70% to 90%. The lower humidity levels make it easier to explore the city's many outdoor attractions, as you're less likely to feel hot and sticky.

However, it's worth noting that the humidity levels can still be quite high, especially during the late afternoon and early evening. This is due to the city's proximity to the equator and the surrounding bodies of water. To stay comfortable, it's essential to drink plenty of water, wear light and breathable clothing, and seek shade whenever possible.

Precipitation Patterns

December is one of the driest months in Bangkok, with an average precipitation of around 50 mm (2 inches). The city experiences a relatively low amount of rainfall throughout the year, with most of the precipitation falling during the monsoon season, which typically runs from May to October. As you approach the end of December, the chances of rain decrease significantly, making it an ideal time to visit if you prefer dry weather.

However, it's worth noting that the rain can still occur, especially during the late afternoon and early evening. This is due to the city's proximity to the equator and the surrounding bodies of water. To stay prepared, it's essential to carry an umbrella, wear waterproof clothing, and be aware of the weather forecast.

Weather Forecast

The weather forecast for Bangkok in December is generally favorable, with clear skies and mild temperatures expected throughout the month. However, as you approach the end of the month, the temperature can drop significantly, making it essential to pack layers and stay warm.

According to the Thai Meteorological Department, the average temperature in Bangkok in December is around 22°C (72°F), with an average relative humidity of around 60% to 70%. The precipitation is expected to be minimal, with an average of around 50 mm (2 inches) throughout the month.

Best Time to Visit

The best time to visit Bangkok in December is towards the end of the month, when the temperature is cooler and the humidity levels are lower. This is an ideal time to explore the city's many outdoor attractions, such as the Grand Palace, Wat Phra Kaew, and the Temple of the Emerald Buddha.

However, if you prefer to avoid the crowds, it's best to visit during the shoulder season, which typically runs from April to June. During this time, the temperature is still mild, and the humidity levels are relatively low, making it an ideal time to explore the city's many indoor attractions, such as museums, shopping malls, and temples.

Preparing for Your Trip

To prepare for your trip to Bangkok in December, it's essential to pack accordingly. Here are a few tips to help you stay comfortable and prepared:

1. Pack layers: As the temperature can drop significantly towards the end of the month, it's essential to pack layers, such as light jackets, sweaters, and thermals.

2. Wear light and breathable clothing: Bangkok can still be quite hot and humid, even in December. Wear light and breathable clothing, such as cotton, linen, or silk, to stay comfortable.

3. Bring an umbrella: Although the precipitation is minimal, it's still essential to carry an umbrella, especially during the late afternoon and early evening.

4. Drink plenty of water: Staying hydrated is essential, especially in a hot and humid climate. Drink plenty of water throughout the day to stay refreshed.

Conclusion

As you can see, the weather in Bangkok in December is generally favorable, with mild temperatures and low humidity levels. As you approach the end of the month, the temperature can drop significantly, making it essential to pack layers and stay warm. By following these tips and being prepared for the weather, you can have a comfortable and enjoyable trip to Bangkok in December.

FAQ

Q: What is the average temperature in Bangkok in December?

A: The average temperature in Bangkok in December is around 22°C (72°F), with an average high temperature of 25°C to 28°C (77°F to 82°F) and an average low temperature of 15°C to 18°C (59°F to 64°F).

Q: What is the humidity level in Bangkok in December?

A: The relative humidity in Bangkok in December is around 60% to 70%, making it an ideal time to explore the city's many outdoor attractions.

Q: Is it a good time to visit Bangkok in December?

A: Yes, December is a great time to visit Bangkok, with mild temperatures and low humidity levels. It's an ideal time to explore the city's many outdoor attractions, such as the Grand Palace, Wat Phra Kaew, and the Temple of the Emerald Buddha.

Q: What should I pack for my trip to Bangkok in December?

A: To stay comfortable and prepared, pack layers, such as light jackets, sweaters, and thermals. Wear light and breathable clothing, such as cotton, linen, or silk, and bring an umbrella to stay dry in case of rain.

Q: Is it a good time to visit the beach in Bangkok in December?

A: No, December is not a good time to visit the beach in Bangkok, as the temperature is cooler and the humidity levels are lower. However, you can consider heading to the nearby islands, such as Koh Samui or Phuket, which offer a more tropical climate.

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