Weather in San Diego, California, United States in January
In an average January, San Diego sees a daily high around 64°F and a low around 47°F, based on 1981–2026 of local climate records.
| Average high | 64°F |
|---|---|
| Typical high range | 56°F to 73°F |
| Average low | 47°F |
| Typical low range | 41°F to 53°F |
| Average daily precipitation | 0.10 in |
January records
The most extreme January on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
82°F
2003-01-31
Lowest
47°F
2005-01-04
Low
Highest
60°F
2000-01-17
Lowest
31°F
2007-01-14
Feels-like
Highest
81°F
2003-01-31
Lowest
20°F
2007-01-15
Humidity
Highest
13.4 g/m³
1997-01-02
Lowest
2.1 g/m³
2007-01-14
Wind
Highest
40 mph
2010-01-21
Lowest
4 mph
2019-01-28
Precip
Wettest
14.38 in
1993
Driest
0.07 in
2009
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