Weather in Santa Rosa in January
In an average January, Santa Rosa sees a daily high around 58°F and a low around 40°F, based on 1980–2026 of local climate records.
| Average high | 58°F |
|---|---|
| Typical high range | 51°F to 65°F |
| Average low | 40°F |
| Typical low range | 32°F to 49°F |
| Average daily precipitation | 0.20 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
76°F
2009-01-12
Lowest
42°F
1983-01-02
Low
Highest
58°F
1980-01-13
Lowest
24°F
2011-01-10
Feels-like
Highest
58°F
1980-01-13
Lowest
18°F
2011-01-10
Humidity
Highest
12.5 g/m³
1997-01-01
Lowest
2.3 g/m³
1991-01-21
Wind
Highest
20 mph
1983-01-26
Lowest
3 mph
2019-01-23
Gust
Highest
66 mph
2008-01-04
Lowest
6 mph
2010-01-05
Precip
Wettest
22.81 in
1995
Driest
0.09 in
2015
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