Typical Weather in San Diego, CA in January
66° F Avg High
50° F Avg Low
4 Rainy Days
☀️ Temperature Summary
January is one of the cooler months of the year for San Diego, with highs averaging around 66°F. Overnight lows can reach 50°F.
January is a great time to visit San Diego, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 12% chance of rain for any given day in January. It's one of the rainier months of the year for San Diego, with total rainfall for the month around 2 inches.
Rainfall Throughout the Year
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📍 Nearby Cities in January
59°F
/
38°F
72°F
/
44°F
58°F
/
39°F
69°F
/
50°F
56°F
/
39°F
71°F
/
46°F
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