Weather in San Francisco: July
 |
Average day temperature: | 63.3°F |
| Average night temperature: | 55.0°F | |
 |
Sea water temperature: | 60.1°F |
 |
Number of sunny days: | 15 days |
| Day length: | 13.2 - 14.7 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
forecast
| San Francisco |
temperature
| San Francisco |
Air temperature in July, °F
The highest day temperature during July of 2025 was 59°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during July were 58.3°F and 55.3°F.
Sea water temperature in San Francisco in July, °F
The average sea water temperature in July of 2025 was 60.9°F. The highest and lowest sea temperatures during the month were 63.7°F and 58.1°F.
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in San Francisco in July is 0.1 in. Other months of the year show relatively similar values.
The average wind speed value in July is 9.0 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 7.7.
Best time for vacation in San Francisco
San Francisco on a weather map
4 mph
2 mph
3 mph
4 mph
5 mph
3 mph
2 mph
4 mph
