Weather in San Diego: July
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Average day temperature: | 76.4°F |
Average night temperature: | 66.3°F | |
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Sea water temperature: | 69.0°F |
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Number of sunny days: | 23 days |
Day length: | 12.7 - 14.3 hours | |
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Number of rainy days: | 1 day |
Precipitation totals: | 0.7 in. | |
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San Diego |
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San Diego |
Air temperature in July, °F
Day temperature | Night temperature |
The highest day temperature during July of 2024 was 78°F. At the same time the lowest night temperature was 64°F. Day and night temperature averages during July were 74.9°F and 67.9°F.
Sea water temperature in San Diego in July, °F
The average sea water temperature in July of 2024 was 68.0°F. The highest and lowest sea temperatures during the month were 70.5°F and 64.8°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in San Diego in July is 0.7 in. Other months of the year show relatively similar values.
The average wind speed value in July is 6.5 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: 10.7.
Best time for vacation in San Diego
San Diego on a weather map

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