Chiang Rai Weather in October
What's the weather like in Chiang Rai (Chiang Rai) in October 2025?
The climate in Chiang Rai during October can be summarized as hot, humid and wet.
October is in the fall / autumn in Chiang Rai and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29.4°C 84.9°F |
|---|---|
| Nightly temperature | 20°C 68°F |
| Average temperature | 24.7°C 76.5°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 135 mm 5.3 ins |
| Rainy days | 12 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 83% |
| Windspeed | 2.5kph 2 mph |
On average October is the 6th wettest month of the year in Chiang Rai with around 135mm 5.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
October temperatures in Chiang Rai
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Chiang Rai in October 2025.
Other monthly averages
Best places to visit in October
Chiang Rai weather stats
| Hottest month: | May | 32.5°C 90.5°F |
|---|---|---|
| Driest month: | February | 8mm 0.3ins |
| Sunniest month: | February | 9.8hrs |
| Coldest month: | December | 25.7°C 78.3°F |
| Wettest month: | August | 387mm 15.2ins |
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