As of 02:31 PDT

Santa Rosa, CA weather in December

56°

Santa Rosa, Sunday, 9 August, 02:31

Clear. Feels like 55°. High 90°, low 56°.

Pressure29.85 inHg

Wind1.4 mph SW

Humidity80%

Visibility6.2 mi

Dew point50°

See detailed hourly forecast

In December, Santa Rosa, CA averages a high of 57.1° and a low of 40°. About 5.5 inches of precipitation fall over the month (10 wet days). The record high is 76.8° (2021) and the record low 23.2° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	60.1°	41.4°	28%	76.8° (2021)	32.5° (1967)
2	59.2°	41.5°	30%	74.5° (2011)	29.7° (2022)
3	59.5°	42.4°	37%	68° (2020)	29.5° (2004)
4	59.2°	41.7°	32%	68.7° (1977)	31.1° (1968)
5	59.2°	42.4°	30%	68.7° (1979)	29.8° (2013)
6	58.6°	42.6°	37%	69.6° (1962)	30° (2013)
7	58.6°	41.7°	35%	72.1° (2020)	30.7° (1960)
8	58.1°	41.2°	27%	70.7° (2020)	27.7° (1972)
9	58.6°	41°	32%	70.5° (2017)	26.8° (1972)
10	58.3°	40.6°	33%	70.9° (2017)	27.1° (2013)
11	57°	40.1°	30%	73° (2017)	26.6° (1972)
12	56.5°	40.5°	30%	68.2° (2025)	28.6° (1972)
13	56.1°	40.5°	33%	66.4° (1988)	23.2° (1972)
14	56.5°	39.9°	32%	67.8° (2017)	26.4° (1972)
15	56.8°	39.4°	33%	69.3° (1998)	27.7° (1972)
16	57.2°	38.7°	20%	72° (1998)	29.1° (1965)
17	57.2°	39.6°	38%	69.6° (2017)	28° (1965)
18	56.5°	38.8°	32%	66.4° (1976)	26.2° (1963)
19	56.7°	39°	30%	71.6° (1999)	28.6° (2006)
20	55.4°	39.6°	32%	71.6° (1999)	27.1° (1965)
21	55.6°	40.5°	45%	70.5° (1999)	27.1° (1990)
22	55.9°	39.6°	37%	67.3° (2013)	25.2° (1990)
23	56.8°	38.7°	30%	66.4° (2014)	26.6° (1990)
24	56.5°	38.5°	23%	68.4° (2013)	25.5° (1990)
25	56.1°	37.8°	23%	69.1° (1967)	26.6° (1990)
26	55.8°	37.8°	28%	72° (1967)	27.9° (1962)
27	55°	39°	42%	70.9° (1967)	28.9° (1962)
28	55.8°	39°	32%	72.3° (1975)	28.6° (1962)
29	55.9°	39.2°	40%	68.2° (2013)	28.6° (1962)
30	56.3°	38.8°	27%	67.6° (1980)	27.7° (1978)
31	56.1°	38.8°	25%	64.2° (1980)	26.8° (2015)