San Francisco Weather in December
What's the weather like in San Francisco (Córdoba) in December 2024?
The climate in San Francisco during December can be summarized as hot and wet.
December is in the summer in San Francisco and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 30.5°C 86.9°F |
|---|---|
| Nightly temperature | 16.9°C 62.4°F |
| Average temperature | 23.7°C 74.7°F |
| Daily sunshine | 9.4 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 9 days |
| Sea temperature | 19.3°C 66.7°F |
| Humidity | 70% |
| Windspeed | 10.8kph 7 mph |
On average December is the 2nd wettest month of the year in San Francisco with around 127mm 5 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 9.4 hours of sunshine per day.
December temperatures in San Francisco
December rainfall
December 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 December 2024.
Other monthly averages
Best places to visit in December
San Francisco weather stats
| Hottest month: | January | 31.5°C 88.7°F |
|---|---|---|
| Driest month: | July | 20mm 0.8ins |
| Sunniest month: | February | 9.3hrs |
| Coldest month: | July | 17.6°C 63.7°F |
| Wettest month: | March | 152mm 6ins |
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