Weather in Santa Rosa, California, United States in January
In an average January, Santa Rosa sees a daily high around 55°F and a low around 39°F, based on 1981–2026 of local climate records.
| Average high | 55°F |
|---|---|
| Typical high range | 48°F to 62°F |
| Average low | 39°F |
| Typical low range | 32°F to 45°F |
| Average daily precipitation | 0.20 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
73°F
2021-01-17
Lowest
39°F
1993-01-05
Low
Highest
55°F
1997-01-01
Lowest
24°F
1997-01-13
Feels-like
Highest
55°F
1997-01-01
Lowest
12°F
1997-01-13
Humidity
Highest
11.9 g/m³
1997-01-01
Lowest
2.8 g/m³
1987-01-16
Wind
Highest
32 mph
2008-01-04
Lowest
3 mph
2016-01-07
Precip
Wettest
19.56 in
1995
Driest
0.07 in
2015
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