San Francisco Weather in July
What's the weather like in San Francisco (Morazán) in July 2025?
The climate in San Francisco during July can be summarized as hot, humid and very wet.
July is in the summer in San Francisco and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 20°C (67°F) is normal.
| Daytime temperature | 31.2°C 88.1°F |
|---|---|
| Nightly temperature | 19.7°C 67.4°F |
| Average temperature | 25.4°C 77.7°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 223 mm 8.8 ins |
| Rainy days | 20 days |
| Sea temperature | 29.6°C 85.2°F |
| Humidity | 76% |
| Windspeed | 13kph 8 mph |
On average July is the 4th wettest month of the year in San Francisco with around 223mm 8.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
July temperatures in San Francisco
July rainfall
July 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 July 2025.
Other monthly averages
San Francisco weather stats
| Hottest month: | April | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | January | 4mm 0.2ins |
| Sunniest month: | February | 9.6hrs |
| Coldest month: | January | 30.7°C 87.3°F |
| Wettest month: | September | 361mm 14.2ins |
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