Belmont Weather in May
What's the weather like in Belmont (California) in May 2025?
The climate in Belmont during May can be summarized as mild and very dry.
May is in the spring in Belmont and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 20.2°C 68.4°F |
|---|---|
| Nightly temperature | 10.2°C 50.4°F |
| Average temperature | 15.2°C 59.4°F |
| Daily sunshine | 11.6 hrs |
| Avg rainfall | 6 mm 0.2 ins |
| Rainy days | 2 days |
| Sea temperature | 11.8°C 53.2°F |
| Humidity | 69% |
| Windspeed | 20.5kph 13 mph |
On average May is the 5th driest month of the year in Belmont with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.6 hours of sunshine per day.
May temperatures in Belmont
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 Belmont in May 2025.
Other monthly averages
Belmont weather stats
| Hottest month: | September | 23.8°C 74.8°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | April | 11.1hrs |
| Coldest month: | January | 13.5°C 56.3°F |
| Wettest month: | January | 95mm 3.7ins |
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