Tainan Weather in May
What's the weather like in Tainan (Taiwan) in May 2025?
The climate in Tainan during May can be summarized as hot, humid and wet.
May is in the spring in Tainan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 30.9°C 87.6°F |
|---|---|
| Nightly temperature | 22.3°C 72.1°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 5.8 hrs |
| Avg rainfall | 172 mm 6.8 ins |
| Rainy days | 16 days |
| Sea temperature | 27.4°C 81.4°F |
| Humidity | 84% |
| Windspeed | 11.2kph 7 mph |
On average May is the 4th wettest month of the year in Tainan with around 172mm 6.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
May temperatures in Tainan
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 Tainan in May 2025.
Other monthly averages
Tainan weather stats
| Hottest month: | July | 31.9°C 89.4°F |
|---|---|---|
| Driest month: | December | 29mm 1.1ins |
| Sunniest month: | July | 8.3hrs |
| Coldest month: | February | 23.3°C 73.9°F |
| Wettest month: | August | 440mm 17.3ins |
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