Weather in San Diego in December
In an average December, San Diego sees a daily high around 63°F and a low around 53°F, based on 1980–2026 of local climate records.
| Average high | 63°F |
|---|---|
| Typical high range | 58°F to 68°F |
| Average low | 53°F |
| Typical low range | 49°F to 56°F |
| Average daily precipitation | 0.10 in |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
77°F
1980-12-30
Lowest
49°F
1990-12-22
Low
Highest
63°F
2014-12-02
Lowest
39°F
1990-12-23
Feels-like
Highest
77°F
1980-12-30
Lowest
32°F
1990-12-23
Humidity
Highest
14.0 g/m³
2014-12-04
Lowest
3.6 g/m³
2013-12-10
Wind
Highest
31 mph
1982-12-01
Lowest
4 mph
1985-12-27
Gust
Highest
57 mph
2009-12-08
Lowest
8 mph
1985-12-27
Precip
Wettest
6.02 in
2010
Driest
0.02 in
2017
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