The climate in San Manuel during May can be summarized as hot and a little damp.
May is in the spring in San Manuel and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 33°C (92°F), whilst at night 22°C (71°F) is normal.
Daytime temperature | 33.1°C 91.6°F |
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Nightly temperature | 21.9°C 71.4°F |
Average temperature | 27.5°C 81.5°F |
Daily sunshine | 9.5 hrs |
Avg rainfall | 98 mm 3.9 ins |
Rainy days | 9 days |
Sea temperature | 28.6°C 83.5°F |
Humidity | 69% |
Windspeed | 22kph 14 mph |
On average May is the 5th driest month of the year in San Manuel with around 98mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
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 San Manuel in May 2025.
Hottest month: | April | 33.3°C 91.9°F |
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Driest month: | March | 36mm 1.4ins |
Sunniest month: | March | 9hrs |
Coldest month: | December | 29.1°C 84.4°F |
Wettest month: | September | 218mm 8.6ins |