Chiang Mai
December
Weather in Chiang Mai for December 2025
Your guide to Chiang Mai weather in December - trends and predictions
In general, the average temperature in Chiang Mai at the beginning of December is 29.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.1 °C by the end of December.
With an average of 3 rainy days, Chiang Mai experiences minimal rainfall in December.
Is December a good time to visit Chiang Mai? check out the best time to travel to Chiang Mai page.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
29°/17°
Temperatures
6 km/h
Avg max wind
70 %
Avg humidity
Chiang Mai in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  29° | 3  30° | 4  29° | 5 30° | 6 29° | 7 29° |
| 8 29° | 9 30° | 10 30° | 11  30° | 12 30° | 13 30° | 14 29° |
| 15 29° | 16 29° | 17 30° | 18 28° | 19 28° | 20 28° | 21 28° |
| 22 28° | 23 28° | 24 28° | 25 28° | 26 29° | 27 29° | 28 30° |
| 29 30° | 30 29° | 31 29° |
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Temperatures trend during December in Chiang Mai
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Partly cloudy | 29° /18° | 1.5 mm | 7 | |
| 2 Dec. | Cloudy | 29° /18° | 2.3 mm | 7 | |
| 3 Dec. | Patchy rain possible | 30° /19° | 0.5 mm | 7 | |
| 4 Dec. | Overcast | 29° /18° | 0.1 mm | 7 | |
| 5 Dec. | Patchy rain possible | 30° /18° | 0.7 mm | 7 | |
| 6 Dec. | Patchy rain possible | 29° /18° | 0.8 mm | 7 | |
| 7 Dec. | Patchy rain possible | 29° /18° | 0.9 mm | 7 | |
| 8 Dec. | Patchy rain possible | 29° /18° | 0.6 mm | 7 | |
| 9 Dec. | Patchy rain possible | 30° /19° | 0.4 mm | 7 | |
| 10 Dec. | Patchy rain possible | 30° /19° | 0.3 mm | 7 | |
| 11 Dec. | Sunny | 30° /18° | 0.5 mm | 7 | |
| 12 Dec. | Patchy rain possible | 30° /18° | 0.1 mm | 7 | |
| 13 Dec. | Sunny | 30° /18° | 0 mm | 7 | |
| 14 Dec. | Sunny | 29° /18° | 0.4 mm | 7 | |
| 15 Dec. | Sunny | 29° /17° | 0.2 mm | 7 | |
| 16 Dec. | Sunny | 29° /17° | 0 mm | 7 | |
| 17 Dec. | Sunny | 30° /17° | 0 mm | 7 | |
| 18 Dec. | Cloudy | 28° /17° | 0.1 mm | 7 | |
| 19 Dec. | Sunny | 28° /17° | 0 mm | 7 | |
| 20 Dec. | Partly cloudy | 28° /16° | 0 mm | 7 | |
| 21 Dec. | Partly cloudy | 28° /16° | 0.1 mm | 7 | |
| 22 Dec. | Sunny | 28° /16° | 0.4 mm | 7 | |
| 23 Dec. | Sunny | 28° /15° | 0 mm | 7 | |
| 24 Dec. | Sunny | 28° /15° | 0 mm | 7 | |
| 25 Dec. | Sunny | 28° /15° | 0.1 mm | 7 | |
| 26 Dec. | Sunny | 29° /15° | 0.1 mm | 7 | |
| 27 Dec. | Sunny | 29° /16° | 0.2 mm | 7 | |
| 28 Dec. | Sunny | 30° /16° | 0.2 mm | 7 | |
| 29 Dec. | Sunny | 30° /16° | 0 mm | 8 | |
| 30 Dec. | Sunny | 29° /16° | 0.2 mm | 7 | |
| 31 Dec. | Partly cloudy | 29° /16° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Chiang Mai in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chiang Mai forecast closer to your planned date for the most up-to-date weather information.
Chiang Mai in December - FAQ
What are the expected maximum and minimum temperatures in Chiang Mai during December?
During December, expect a variety of temperatures with highs around 29° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chiang Mai during December?
Expect minimal rainfall in Chiang Mai during December, with a total of 10.4 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Chiang Mai during December?
The average wind speed in Chiang Mai during December is 6 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Chiang Mai in December?
As you prepare for your trip to Chiang Mai in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chiang Mai, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Footwear
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
December rainfall patterns in Chiang Mai
Explore the daily rainfall trends and prepare for Chiang Mais December weather 💧
UV exposure in Chiang Mai during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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