Weather in Santa Rosa in December
In an average December, Santa Rosa sees a daily high around 57°F and a low around 40°F, based on 1980–2026 of local climate records.
| Average high | 57°F |
|---|---|
| Typical high range | 51°F to 63°F |
| Average low | 40°F |
| Typical low range | 32°F to 50°F |
| Average daily precipitation | 0.20 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
74°F
2011-12-02
Lowest
38°F
1990-12-21
Low
Highest
58°F
2014-12-09
Lowest
23°F
1990-12-25
Feels-like
Highest
58°F
2014-12-09
Lowest
15°F
1990-12-21
Humidity
Highest
12.4 g/m³
2014-12-09
Lowest
2.1 g/m³
1990-12-21
Wind
Highest
23 mph
2002-12-14
Lowest
2 mph
1997-12-26
Gust
Highest
70 mph
1995-12-12
Lowest
6 mph
2005-12-11
Precip
Wettest
15.55 in
2002
Driest
0.01 in
1989
See Santa Rosa's live weather grade →
Visiting Santa Rosa in December? See how its comfort stacks up against where you live.
Compare Santa Rosa with your city →