As of 21:58 PDT

Chula Vista, CA weather in December

74°

Chula Vista, Saturday, 8 August, 21:58

Clear. Feels like 75°. High 96°, low 70°.

Pressure29.88 inHg

Wind3 mph W

Humidity78%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In December, Chula Vista, CA averages a high of 62.6° and a low of 46.9°. About 1.9 inches of precipitation fall over the month (6 wet days). The record high is 85.3° (2025) and the record low 32.2° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	64.8°	48.2°	15%	76.5° (1977)	37° (2004)
2	64.9°	47.8°	8%	79.2° (2020)	38.3° (2004)
3	64.8°	48.7°	13%	74.5° (1990)	41.4° (2004)
4	64.2°	48.6°	18%	78.1° (1979)	39.6° (2011)
5	64.2°	48.4°	17%	77° (2023)	39.7° (2011)
6	64.6°	48.7°	13%	78.3° (2017)	39.2° (2011)
7	63.9°	48.7°	22%	79.3° (2024)	34° (1978)
8	64°	48.4°	18%	80.2° (2017)	35.1° (1971)
9	64°	48°	15%	83.7° (2025)	32.7° (1960)
10	63.7°	47.5°	15%	85.3° (2025)	38.8° (1960)
11	63°	47.7°	18%	79.7° (2017)	39.6° (1997)
12	62.1°	47.3°	13%	79.3° (2010)	36° (1985)
13	62.2°	46.4°	17%	79.3° (2017)	37.2° (1967)
14	62.1°	46°	15%	73.6° (2017)	34° (1967)
15	62.8°	46.2°	8%	80.6° (2017)	35.4° (1987)
16	63.5°	46.8°	22%	78.6° (2023)	38.7° (2015)
17	62.6°	46.6°	18%	73.4° (2013)	38.3° (1975)
18	62.4°	46.8°	20%	78.3° (2024)	37.6° (1968)
19	62.1°	46.6°	20%	74.1° (2005)	37.6° (1992)
20	62.1°	46.2°	20%	75.4° (2020)	37° (1992)
21	61.2°	46.4°	18%	75.7° (2005)	32.7° (1968)
22	61°	46.4°	22%	72° (1960)	37.2° (1968)
23	61.9°	46.2°	23%	74.5° (1989)	32.2° (1990)
24	62.2°	45.9°	13%	74.8° (2022)	34.7° (1998)
25	62.4°	46.2°	18%	79.7° (2022)	33.6° (1974)
26	61.2°	45.3°	27%	80.4° (2022)	34.3° (1974)
27	60.8°	45.1°	15%	73.6° (2013)	34.7° (1987)
28	60.4°	45.9°	22%	78.6° (2017)	35.8° (1987)
29	60.4°	46°	27%	77° (1963)	35.6° (1988)
30	61°	45.5°	20%	79.3° (1980)	35.8° (1988)
31	60.6°	45.7°	20%	75.2° (1963)	36.1° (2012)