As of 11:18 PDT

Santa Rosa, CA weather in January

89°

Santa Rosa, Sunday, 9 August, 11:18

Clear. Feels like 90°. High 89°, low 60°.

Pressure29.85 inHg

Wind2.8 mph SW

Humidity42%

Visibility6.2 mi

Dew point62°

See detailed hourly forecast

In January, Santa Rosa, CA averages a high of 57.4° and a low of 39.4°. About 5.8 inches of precipitation fall over the month (10 wet days). The record high is 76.8° (2021) and the record low 15.4° (1974). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	55.9°	37.6°	25%	70.7° (1996)	27.9° (1991)
2	55.2°	37.4°	25%	68° (1996)	27.7° (1961)
3	55°	37.9°	35%	68.4° (2014)	28.4° (1961)
4	55.8°	38.7°	38%	69.6° (2012)	27.5° (1972)
5	55.4°	38.1°	30%	68.4° (2003)	15.4° (1974)
6	55.4°	37.8°	28%	71.4° (1962)	26.4° (1968)
7	55.9°	38.5°	30%	73.2° (1962)	27.3° (1974)
8	55.8°	40.1°	33%	75.6° (1962)	24.6° (1974)
9	56.5°	40.6°	38%	73.6° (1962)	27.1° (1974)
10	56.8°	39.6°	33%	66.4° (1996)	22.6° (1974)
11	56.8°	39.6°	33%	70.5° (2009)	28.4° (1963)
12	57.2°	40.1°	33%	76.1° (2009)	28.4° (1963)
13	58.3°	40.5°	30%	73.4° (2009)	28° (1963)
14	58.3°	39.7°	32%	74.5° (2014)	27.1° (1997)
15	57.9°	39.7°	33%	76.3° (2014)	26.8° (1960)
16	58.5°	40.8°	38%	74.8° (2014)	28° (1987)
17	58.8°	39.6°	28%	76.8° (2021)	26.4° (2007)
18	58.8°	40.5°	30%	74.5° (2021)	29.7° (1977)
19	58.6°	39.9°	35%	70.3° (2014)	29.3° (2013)
20	58.3°	39.6°	27%	71.1° (2014)	28.8° (1963)
21	57.7°	39.4°	40%	71.2° (2014)	28.6° (1963)
22	58.3°	39.7°	40%	71.8° (1968)	29.5° (1992)
23	58.5°	39.4°	38%	69.6° (2014)	24.4° (1969)
24	58.6°	39.2°	32%	72.7° (2015)	28.9° (1962)
25	58.6°	39.7°	25%	71.1° (2014)	30.2° (1962)
26	57.7°	41°	32%	70° (2023)	29.8° (1973)
27	58.6°	39.4°	28%	72.7° (1984)	28.2° (2001)
28	58.1°	39°	33%	75.7° (2024)	30.2° (2001)
29	58.1°	39°	27%	72.7° (2024)	26.1° (1975)
30	58.3°	39.4°	30%	70.3° (1976)	27.7° (1972)
31	58.3°	39°	27%	75° (2015)	27° (1969)