Wiang Sa Weather in January
What's the weather like in Wiang Sa (Surat Thani) in January 2026?
The climate in Wiang Sa during January can be summarized as hot, humid and a little damp.
January is in the winter in Wiang Sa and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (69°F) is normal.
| Daytime temperature | 30.2°C 86.3°F |
|---|---|
| Nightly temperature | 20.7°C 69.2°F |
| Average temperature | 25.4°C 77.7°F |
| Daily sunshine | 8.3 hrs |
| Avg rainfall | 91 mm 3.6 ins |
| Rainy days | 8 days |
| Sea temperature | 28.1°C 82.6°F |
| Humidity | 79% |
| Windspeed | 6.1kph 4 mph |
On average January is the 3rd driest month of the year in Wiang Sa with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
January temperatures in Wiang Sa
January rainfall
January 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 Wiang Sa in January 2025.
Other monthly averages
Best places to visit in January
Wiang Sa weather stats
| Hottest month: | April | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | February | 25mm 1ins |
| Sunniest month: | February | 9.3hrs |
| Coldest month: | January | 29.9°C 85.8°F |
| Wettest month: | November | 403mm 15.9ins |
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