Weather in San Diego in January
In an average January, San Diego sees a daily high around 63°F and a low around 52°F, based on 1980–2026 of local climate records.
| Average high | 63°F |
|---|---|
| Typical high range | 58°F to 68°F |
| Average low | 52°F |
| Typical low range | 48°F to 57°F |
| Average daily precipitation | 0.10 in |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
77°F
2003-01-31
Lowest
52°F
1989-01-07
Low
Highest
62°F
2021-01-20
Lowest
42°F
1987-01-17
Feels-like
Highest
77°F
2003-01-31
Lowest
35°F
1987-01-17
Humidity
Highest
13.4 g/m³
1980-01-14
Lowest
3.7 g/m³
2007-01-06
Wind
Highest
35 mph
1988-01-18
Lowest
4 mph
1996-01-09
Gust
Highest
58 mph
1995-01-05
Lowest
9 mph
1989-01-21
Precip
Wettest
9.75 in
1993
Driest
0.07 in
2003
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