Weather in San Diego, California for July 2026
High Surf Advisory - See hour by hour.
So far, July 2026 in San Diego is slightly warmer than the historical average by 0.6 °C.
The forecast for the next days in San Diego predicts temperatures to be around 27 °C, close to the historical average.
In general, the average temperature in San Diego at the beginning of July is 23.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.7 °C by the end of July.
Precipitation in San Diego during July is a rare event, with an average of fewer than 2 rainy days.
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San Diego Weather July
Temperatures trend during July in San Diego
July weather in San Diego day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Cloudy | 23° /16° | 0 mm | 6 | |
| Jul. 2 |  Partly cloudy | 23° /16° | 0 mm | 7 | |
| Jul. 3 | Cloudy | 24° /16° | 0 mm | 8 | |
| Jul. 4 | Partly cloudy | 25° /17° | 0 mm | 9 | |
| Jul. 5 | Partly cloudy | 24° /16° | 0 mm | 8 | |
| Jul. 6 | Partly cloudy | 24° /16° | 0 mm | 8 | |
| Jul. 7 | Cloudy | 24° /16° | 0 mm | 7 | |
| Jul. 8 |  Overcast | 24° /17° | 0 mm | 7 | |
| Jul. 9 | Overcast | 24° /17° | 0 mm | 6 | |
| Jul. 10 | Cloudy | 24° /17° | 0 mm | 5 | |
| Jul. 11 | Partly cloudy | 25° /18° | 0 mm | 7 | |
| Jul. 12 | Partly cloudy | 25° /18° | 0.1 mm | 8 | |
| Jul. 13 | Overcast | 25° /17° | 0 mm | 8 | |
| Jul. 14 | Partly cloudy | 26° /18° | 0 mm | 8 | |
| Jul. 15 | Cloudy | 25° /17° | 0 mm | 7 | |
| Jul. 16 | Overcast | 24° /18° | 0.2 mm | 6 | |
| Jul. 17 | Cloudy | 25° /18° | 0 mm | 8 | |
| Jul. 18 | Overcast | 25° /18° | 0.6 mm | 6 | |
| Jul. 19 | Overcast | 31° /20° | 0 mm | 11 | |
| Jul. 20 |  Sunny | 27° /21° | 0 mm | 11.3 | |
| Jul. 21 | Sunny | 26° /22° | 0 mm | 11.1 | |
| Jul. 22 | Sunny | 26° /22° | 0 mm | 11.2 | |
| Jul. 23 | Sunny | 27° /22° | 0 mm | 7 | |
| Jul. 24 | Sunny | 26° /22° | 0.1 mm | 7 | |
| Jul. 25 | Sunny | 27° /22° | 0 mm | 7 | |
| Jul. 26 | Sunny | 27° /22° | 0 mm | 7 | |
| Jul. 27 | Sunny | 27° /22° | 0 mm | 7 | |
| Jul. 28 | Sunny | 27° /23° | 0 mm | 7 | |
| Jul. 29 | Sunny | 29° /24° | 0 mm | 7 | |
| Jul. 30 | Sunny | 29° /24° | 0.4 mm | 7 | |
| Jul. 31 | Sunny | 28° /25° | 0.1 mm | 7 | |
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San Diego in July - FAQ
What are the expected maximum and minimum temperatures in San Diego during July?
How much rainfall should be expected in San Diego during July?
What are the typical wind conditions in San Diego during July?
UV exposure in San Diego during July
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