As of 20:51 PDT

Vallejo, CA weather in December

64°

Vallejo, Saturday, 8 August, 20:51

Clear. Feels like 63°. High 89°, low 61°.

Pressure29.85 inHg

Wind5 mph SW

Humidity70%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

In December, Vallejo, CA averages a high of 56.3° and a low of 41.9°. About 3.6 inches of precipitation fall over the month (9 wet days). The record high is 73.2° (1975) and the record low 23° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	59.2°	44.1°	27%	68.4° (2013)	34.9° (2007)
2	58.5°	43.5°	25%	72.5° (2011)	33.3° (2022)
3	58.8°	44.1°	30%	67.3° (1979)	34.9° (1968)
4	58.6°	43.3°	30%	68.5° (1977)	33.1° (2013)
5	58.5°	44.4°	25%	68.5° (1979)	32° (1972)
6	58.3°	43.9°	30%	68.9° (1979)	32.9° (1978)
7	58.3°	43.5°	30%	71.4° (2020)	32.7° (1978)
8	57.4°	43°	22%	66.9° (1979)	27.3° (1972)
9	57.6°	43.2°	27%	67.1° (1990)	23° (1972)
10	57.2°	42.4°	25%	65.5° (2012)	24.6° (1972)
11	55.8°	41.7°	30%	64.4° (1988)	28° (1972)
12	55.8°	42.4°	28%	64.2° (2018)	27.9° (1972)
13	55.8°	42.3°	25%	64.2° (1988)	26.8° (1972)
14	55.9°	41.9°	25%	64.6° (1988)	26.6° (1972)
15	55.8°	41.2°	28%	67.1° (1998)	27.1° (1972)
16	56.1°	40.8°	23%	67.3° (1998)	32.4° (1967)
17	55.9°	41.4°	37%	64.6° (1998)	31.6° (1971)
18	55.6°	41°	28%	64.9° (1976)	28.6° (1965)
19	55.2°	41.2°	27%	70.9° (1999)	31.3° (2016)
20	54.5°	41.2°	28%	68.7° (1999)	28° (1990)
21	55°	41.4°	38%	70° (1999)	25.3° (1990)
22	54.9°	41.4°	38%	66° (2013)	24.6° (1990)
23	55.8°	40.6°	23%	65.1° (2014)	24.3° (1990)
24	55.4°	40.6°	23%	69.6° (2013)	25.5° (1990)
25	55°	39.9°	25%	66.7° (1967)	28.8° (1990)
26	54.9°	39.7°	30%	70° (1967)	28.8° (1987)
27	54.9°	40.5°	35%	67.3° (1967)	29.1° (1962)
28	55°	40.8°	28%	73.2° (1975)	29.1° (1962)
29	55°	41.4°	35%	64.6° (1975)	28.8° (1990)
30	55°	40.6°	27%	62.8° (1995)	29.5° (1978)
31	55.2°	40.6°	22%	65.3° (1995)	29.3° (1982)