The weather in San Diego in July is hot. The average temperatures are between 20°C and 26°C.
You can expect a few rainy days in San Diego during July, but usually the weather is comfortable in July.
Our weather forecast can give you a great sense of what weather to expect in San Diego in July 2025.
If you’re planning to visit San Diego in the near future, we highly recommend that you review the 14 day weather forecast for San Diego before you arrive.
Temperatures
26° / 20°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
25
mm
Sun Hours
12.0
Hrs
