Si Wilai Weather in August
What's the weather like in Si Wilai (Changwat Bueng Kan) in August 2025?
The climate in Si Wilai during August can be summarized as hot, humid and very wet.
August is in the summer in Si Wilai and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (76°F) is normal.
| Daytime temperature | 31.4°C 88.4°F |
|---|---|
| Nightly temperature | 24.5°C 76°F |
| Average temperature | 27.9°C 82.2°F |
| Daily sunshine | 4.8 hrs |
| Avg rainfall | 423 mm 16.7 ins |
| Rainy days | 24 days |
| Sea temperature | 29.5°C 85.1°F |
| Humidity | 86% |
| Windspeed | 4.3kph 3 mph |
On average August is the wettest month of the year in Si Wilai with around 423mm 16.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.8 hours of sunshine per day.
August temperatures in Si Wilai
August rainfall
August 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 Si Wilai in August 2025.
Other monthly averages
Best places to visit in August
Si Wilai weather stats
| Hottest month: | April | 34.1°C 93.4°F |
|---|---|---|
| Driest month: | December | 5mm 0.2ins |
| Sunniest month: | December | 8.4hrs |
| Coldest month: | December | 27.5°C 81.5°F |
| Wettest month: | August | 423mm 16.7ins |
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