As of 02:11 PDT

Vacaville, CA weather in December

64°

Vacaville, Sunday, 9 August, 02:11

Clear. Feels like 64°. High 99°, low 63°.

Pressure29.80 inHg

Wind3 mph S

Humidity75%

Visibility6.2 mi

Dew point56°

See detailed hourly forecast

In December, Vacaville, CA averages a high of 56.3° and a low of 41.9°. About 3.8 inches of precipitation fall over the month (9 wet days). The record high is 72.5° (1979) and the record low 23.9° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	59.5°	43.3°	27%	68.7° (2013)	35.6° (2007)
2	58.6°	43.7°	23%	71.6° (2011)	30.4° (2022)
3	58.8°	43.7°	32%	67.1° (1986)	34.5° (2022)
4	58.8°	43.3°	28%	68.2° (1979)	33.4° (1971)
5	58.5°	43.9°	27%	69.8° (1979)	32.2° (1972)
6	58.5°	43.9°	30%	72.5° (1979)	34.3° (2013)
7	58.3°	43.9°	32%	71.2° (2020)	32° (1972)
8	57.2°	43.2°	20%	68.4° (1979)	28.6° (1972)
9	57.7°	43.3°	25%	66.7° (1990)	26.4° (1972)
10	57.7°	42.6°	25%	66.6° (2020)	28.6° (1972)
11	55.9°	42.1°	28%	65.7° (1988)	28.2° (1972)
12	55.8°	42.1°	28%	64.8° (1988)	28.6° (1972)
13	55.6°	41.9°	25%	67.8° (1988)	30.2° (1972)
14	55.6°	41.7°	23%	64.9° (1976)	28.8° (1972)
15	55.9°	41.4°	30%	67.8° (1998)	29.3° (1972)
16	55.9°	41°	22%	69.4° (1998)	32.9° (1968)
17	56.1°	41.4°	35%	66.4° (2017)	32° (1965)
18	55.6°	40.6°	27%	65.8° (1976)	28.9° (2022)
19	55°	41°	27%	69.8° (1999)	32.4° (1968)
20	54.1°	41°	30%	69.8° (1999)	29.3° (1965)
21	54.9°	41.4°	38%	70.9° (1999)	27.3° (1990)
22	54.9°	41.5°	35%	67.1° (2014)	23.9° (1990)
23	55.8°	40.8°	20%	66.6° (2005)	25° (1990)
24	55.4°	40.6°	23%	70.5° (2013)	27.7° (1990)
25	55.2°	40.5°	22%	69.3° (1967)	28.6° (1998)
26	54.9°	39.9°	28%	71.1° (1967)	29.8° (1988)
27	54.7°	40.8°	33%	68.9° (1967)	29.5° (1990)
28	54.9°	40.6°	33%	72.1° (1975)	30.2° (1990)
29	54.7°	41.7°	32%	64.8° (2013)	29.8° (1988)
30	55.2°	40.6°	28%	65.1° (1989)	30.4° (1990)
31	55.4°	41.2°	25%	65.5° (1995)	31.1° (1990)