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Weather in Chiang Rai for December 2025

Your guide to Chiang Rai weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Chiang Rai is slightly cooler than the historical average by -1.3 °C.

  • The forecast for the next days in Chiang Rai predicts temperatures to be around 27 °C, close to the historical average.

  • In general, the average temperature in Chiang Rai at the beginning of December is 27.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 27.4 °C by the end of December.

  • Rain 🌧️

  • Chiang Rai experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 25.4 mm.

  • More

  • Is December a good time to visit Chiang Rai? check out the best time to travel to Chiang Rai page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/17°
Temperatures
Average wind speed
5 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Chiang Rai Weather December

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Temperatures trend during December in Chiang Rai

See the weather trend as well as the moving average line

December weather in Chiang Rai day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
27° /15° 0 mm 6
2 Dec. Patchy rain possible
Patchy rain possible
28° /16° 0.5 mm 6
3 Dec. Fog
Fog
28° /17° 0.2 mm 6
4 Dec. Fog
Fog
28° /17° 0.4 mm 6
5 Dec. Light rain shower
Light rain shower
28° /17° 3 mm 6
6 Dec. Fog
Fog
28° /18° 1.2 mm 6
7 Dec. Light rain shower
Light rain shower
28° /18° 3 mm 6
8 Dec. Light rain shower
Light rain shower
28° /18° 2.1 mm 6
9 Dec. Patchy light rain
Patchy light rain
28° /18° 2.2 mm 6
10 Dec. Patchy light drizzle
Patchy light drizzle
28° /17° 0.5 mm 6
11 Dec. Mist
Mist
28° /17° 0.2 mm 6
12 Dec. Light rain shower
Light rain shower
28° /17° 0.5 mm 6
13 Dec. Fog
Fog
29° /18° 0.9 mm 6
14 Dec. Light rain shower
Light rain shower
26° /18° 2 mm 6
15 Dec. Patchy rain possible
Patchy rain possible
26° /17° 1.4 mm 6
16 Dec. Sunny
Sunny
26° /17° 0.4 mm 6
17 Dec. Patchy rain possible
Patchy rain possible
27° /17° 1.7 mm 1.5
18 Dec. Patchy rain possible
Patchy rain possible
27° /16° 3.9 mm 1.5
19 Dec. Patchy rain possible
Patchy rain possible
27° /17° 1.8 mm 1.4
20 Dec. Sunny
Sunny
27° /16° 0 mm 1.5
21 Dec. Sunny
Sunny
27° /15° 0 mm 1.8
22 Dec. Sunny
Sunny
26° /15° 0 mm 6
23 Dec. Sunny
Sunny
27° /15° 0 mm 6
24 Dec. Sunny
Sunny
27° /15° 0 mm 6
25 Dec. Sunny
Sunny
27° /15° 0 mm 6
26 Dec. Sunny
Sunny
27° /15° 0 mm 6
27 Dec. Sunny
Sunny
27° /15° 0 mm 6
28 Dec. Sunny
Sunny
28° /15° 0 mm 6
29 Dec. Sunny
Sunny
27° /15° 0 mm 6
30 Dec. Sunny
Sunny
27° /15° 0 mm 6
31 Dec. Sunny
Sunny
29° /15° 0 mm 7
Next
Important Notice
Our weather forecast for Chiang Rai 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 Rai forecast closer to your planned date for the most up-to-date weather information.

Chiang Rai weather in December vs November vs January

Compare December weather in Chiang Rai with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures27°/18°27°/17°29°/14°
Rainfall122 mm25 mm6 mm
Wind4.4 km/h4.7 km/h5.7 km/h
Humidity82%76%58%
Rainy days17 days7 days3 days
Dry days13 days24 days28 days

Planning a trip to Chiang Rai? Discover the best time to visit

Chiang Rai in December - FAQ

What are the expected maximum and minimum temperatures in Chiang Rai during December?
During December, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chiang Rai during December?
In December, Chiang Rai can expect light to moderate rainfall, totaling 25.4 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Chiang Rai during December?
The average wind speed in Chiang Rai during December is 5 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Chiang Rai in December?

As you prepare for your trip to Chiang Rai 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 Rai, during December, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

December rainfall patterns in Chiang Rai

Explore the daily rainfall trends and prepare for Chiang Rais December weather 💧
Typically, Chiang Rai has 7 rainy days in December with a total of 25.4 mm of rainfall.

UV exposure in Chiang Rai during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

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Location coordinates Where is Chiang Rai?

Get accurate weather forecasts for Chiang Rai, located at latitude 19.909 and longitude 99.833. Stay updated with localized weather information tailored for Chiang Rai.

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