As of 13:56 PDT

South San Francisco, CA weather in January

72°

South San Francisco, Sunday, 9 August, 13:56

Partly cloudy. Feels like 72°. High 77°, low 60°.

Pressure29.85 inHg

Wind2 mph SW

Humidity65%

Visibility6.2 mi

Dew point60°

See detailed hourly forecast

In January, South San Francisco, CA averages a high of 56.3° and a low of 45°. About 3.6 inches of precipitation fall over the month (9 wet days). The record high is 71.2° (2014) and the record low 30.4° (1962). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	55.2°	43.9°	23%	67.3° (2012)	33.4° (1991)
2	55.2°	43.5°	28%	65.3° (2014)	33.3° (1991)
3	54.9°	44.2°	28%	64.9° (2014)	36.5° (1993)
4	55.4°	44.4°	37%	66° (2014)	35.1° (1968)
5	54.9°	44.6°	35%	65.5° (2014)	35.4° (1971)
6	54.9°	43.7°	23%	64.6° (2014)	35.4° (1968)
7	55.4°	44.8°	30%	66.7° (1962)	36.1° (1968)
8	55.9°	45.7°	32%	69.6° (1962)	36.3° (1982)
9	55.8°	46.2°	35%	66.7° (1962)	37.9° (1992)
10	56.1°	44.8°	23%	66° (1990)	35.2° (1974)
11	56.3°	45.1°	32%	64.2° (2009)	34.7° (1968)
12	56.7°	45.7°	25%	67.8° (2009)	34° (1963)
13	57°	45.7°	23%	68° (2009)	32.9° (1963)
14	56.8°	45°	30%	69.3° (2014)	36° (1997)
15	56.8°	45.3°	27%	70.9° (2014)	34° (2007)
16	57°	46°	40%	71.2° (2014)	36.1° (2013)
17	57.2°	45°	27%	70.9° (2014)	36.5° (1987)
18	57.6°	45.3°	28%	70.5° (2014)	37.6° (1968)
19	57°	45.7°	32%	69.3° (2014)	37° (1980)
20	56.8°	45.5°	22%	68° (1976)	37.6° (1966)
21	56.8°	45.1°	38%	67.1° (2014)	35.8° (1962)
22	56.8°	45.5°	38%	66.2° (1968)	30.4° (1962)
23	56.7°	45°	35%	67.3° (2014)	36.5° (1973)
24	56.8°	44.6°	33%	66.6° (2014)	35.2° (1962)
25	57°	45°	25%	67.3° (2014)	37.9° (1966)
26	56.5°	45.9°	28%	66.2° (1986)	37.4° (1973)
27	56.8°	44.6°	25%	66.7° (1986)	37.2° (1963)
28	56.5°	44.6°	30%	67.6° (1976)	37° (1975)
29	56.5°	44.8°	25%	67.5° (2024)	32.9° (2002)
30	56.5°	44.8°	32%	69.1° (1976)	34° (1980)
31	56.1°	45°	22%	69.1° (1976)	35.2° (1972)