Sison Weather in May
What's the weather like in Sison (Ilocos) in May 2025?
The climate in Sison during May can be summarized as hot, humid and very wet.
May is in the spring in Sison and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29.7°C 85.5°F |
|---|---|
| Nightly temperature | 20.1°C 68.2°F |
| Average temperature | 24.9°C 76.8°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 235 mm 9.2 ins |
| Rainy days | 16 days |
| Sea temperature | 29.7°C 85.4°F |
| Humidity | 80% |
| Windspeed | 8.6kph 5 mph |
On average May is the 6th wettest month of the year in Sison with around 235mm 9.2 inches of rain making it a very 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 7.8 hours of sunshine per day.
May temperatures in Sison
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 Sison in May 2025.
Other monthly averages
Sison weather stats
| Hottest month: | May | 29.5°C 85.1°F |
|---|---|---|
| Driest month: | February | 7mm 0.3ins |
| Sunniest month: | April | 9.2hrs |
| Coldest month: | January | 26.5°C 79.7°F |
| Wettest month: | August | 617mm 24.3ins |
© Google