Formosa Weather in May
What's the weather like in Formosa (Formosa) in May 2025?
The climate in Formosa during May can be summarized as warm and damp.
May is in the fall / autumn in Formosa and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 24.8°C 76.6°F |
|---|---|
| Nightly temperature | 15.1°C 59.1°F |
| Average temperature | 19.9°C 67.8°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 112 mm 4.4 ins |
| Rainy days | 7 days |
| Sea temperature | 20.1°C 68.2°F |
| Humidity | 79% |
| Windspeed | 8.6kph 5 mph |
On average May is the 5th driest month of the year in Formosa with around 112mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 7 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 Formosa
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 Formosa in May 2025.
Other monthly averages
Formosa weather stats
| Hottest month: | January | 33.2°C 91.8°F |
|---|---|---|
| Driest month: | July | 48mm 1.9ins |
| Sunniest month: | December | 9.7hrs |
| Coldest month: | June | 22°C 71.6°F |
| Wettest month: | November | 173mm 6.8ins |
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