The temperatures in San Diego in January are usually low and can range between 11°C and 19°C.
The wather in San Diego in January can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in San Diego in January 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
19° / 11°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
56
mm
Sun Hours
11.1
Hrs