Chaiya Weather in May
What's the weather like in Chaiya (Surat Thani) in May 2025?
The climate in Chaiya during May can be summarized as very hot, humid and very wet.
May is in the spring in Chaiya and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (92°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 33.2°C 91.8°F |
|---|---|
| Nightly temperature | 24°C 75.2°F |
| Average temperature | 28.6°C 83.5°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 247 mm 9.7 ins |
| Rainy days | 19 days |
| Sea temperature | 30.2°C 86.4°F |
| Humidity | 81% |
| Windspeed | 5kph 3 mph |
On average May is the 6th wettest month of the year in Chaiya with around 247mm 9.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
May temperatures in Chaiya
May rainfall
May 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 Chaiya in May 2025.
Other monthly averages
Chaiya weather stats
| Hottest month: | April | 33.9°C 93°F |
|---|---|---|
| Driest month: | February | 18mm 0.7ins |
| Sunniest month: | February | 9.5hrs |
| Coldest month: | January | 30.3°C 86.5°F |
| Wettest month: | November | 319mm 12.6ins |
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