San Francisco Weather in May
What's the weather like in San Francisco (Petén) in May 2024?
The climate in San Francisco during May can be summarized as hot, humid and wet.
May is in the spring in San Francisco and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 32.7°C 90.9°F |
|---|---|
| Nightly temperature | 21.5°C 70.7°F |
| Average temperature | 27.1°C 80.8°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 154 mm 6.1 ins |
| Rainy days | 9 days |
| Sea temperature | 28.9°C 83.9°F |
| Humidity | 71% |
| Windspeed | 13.3kph 8 mph |
On average May is the 6th wettest month of the year in San Francisco with around 154mm 6.1 inches of rain making it a wet 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 8 hours of sunshine per day.
May temperatures in San Francisco
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 San Francisco in May 2024.
Other monthly averages
San Francisco weather stats
| Hottest month: | May | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | April | 48mm 1.9ins |
| Sunniest month: | March | 8.1hrs |
| Coldest month: | January | 26.7°C 80.1°F |
| Wettest month: | September | 286mm 11.3ins |
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