As of 09:58 PDT

South San Gabriel, CA weather in December

83°

South San Gabriel, Sunday, 9 August, 09:58

Clear. Feels like 86°. High 97°, low 71°.

Pressure29.88 inHg

Wind4.7 mph SW

Humidity59%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In December, South San Gabriel, CA averages a high of 64.2° and a low of 42.9°. About 2.4 inches of precipitation fall over the month (5 wet days). The record high is 85.8° (1979) and the record low 25.7° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	67.3°	44.4°	5%	81.5° (2021)	32.4° (2004)
2	66.9°	44.2°	12%	79.7° (1977)	33.6° (2004)
3	67.1°	45°	12%	79.5° (1979)	34.7° (2004)
4	66.4°	44.6°	15%	84.2° (1979)	33.3° (2011)
5	66.4°	44.4°	17%	85.8° (1979)	34.2° (1972)
6	66.4°	45.3°	15%	83.1° (1979)	31.6° (1978)
7	66°	45.7°	28%	79.9° (2015)	27.9° (1978)
8	65.8°	44.1°	13%	84° (1975)	27° (1978)
9	65.7°	43.5°	10%	82° (2017)	29.5° (1978)
10	65.3°	43.5°	7%	81.9° (2017)	32° (1998)
11	64.8°	44.2°	15%	81° (2017)	30.6° (1972)
12	63.9°	42.8°	13%	82° (2010)	28.2° (1972)
13	63.7°	42.8°	10%	81.1° (2017)	30.6° (1985)
14	63.9°	41.5°	13%	80.4° (2017)	28.2° (1967)
15	64.2°	41.7°	8%	80.8° (2017)	30.6° (1975)
16	64.9°	42.3°	22%	82.6° (2013)	31.5° (1971)
17	64.2°	42.6°	18%	80.2° (2013)	32.5° (1971)
18	63.5°	42.8°	22%	78.3° (2024)	31.6° (1965)
19	63.3°	42.6°	22%	78.3° (2024)	32° (1992)
20	63°	41.9°	15%	78.4° (2020)	31.3° (1967)
21	62.4°	42.1°	17%	81.7° (2020)	27.1° (1968)
22	62.6°	42.4°	18%	77.5° (1960)	27.1° (1990)
23	63.7°	42.1°	18%	79.9° (1989)	25.7° (1990)
24	64°	41.4°	15%	81° (1989)	27.7° (1990)
25	64°	42.1°	20%	80.2° (2022)	27.7° (1990)
26	62.6°	41.4°	17%	80.2° (2022)	28° (1987)
27	61.9°	41°	15%	80.6° (2013)	28.9° (1987)
28	61.7°	41.9°	23%	81.3° (2017)	29.3° (1962)
29	62.1°	42.1°	22%	82.9° (2017)	30.7° (1988)
30	62.1°	41.7°	20%	81.7° (1980)	30.6° (1982)
31	62.1°	41.7°	20%	78.8° (1963)	30.7° (1987)