As of 12:19 PDT

San Mateo, CA weather in January

75°

San Mateo, Sunday, 9 August, 12:19

Mostly clear. Feels like 75°. High 81°, low 60°.

Pressure29.85 inHg

Wind5 mph N

Humidity67%

Visibility6.2 mi

Dew point64°

See detailed hourly forecast

In January, San Mateo, CA averages a high of 56.5° and a low of 43.9°. About 3.7 inches of precipitation fall over the month (9 wet days). The record high is 72.3° (2014) and the record low 28.8° (1962). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	55.2°	42.6°	22%	68.4° (2012)	33.4° (2016)
2	55.2°	42.4°	28%	66° (2014)	31.1° (1974)
3	55°	42.6°	27%	66.6° (2014)	32.9° (1971)
4	55.6°	43.5°	30%	66.7° (2018)	31.6° (1972)
5	54.9°	43.7°	37%	65.7° (2014)	33.4° (1972)
6	55°	42.3°	23%	65.8° (2014)	33.4° (1989)
7	55.4°	43.7°	27%	67.8° (1962)	31.5° (1982)
8	55.9°	45°	27%	69.3° (1962)	35.6° (1982)
9	55.8°	45°	35%	66.6° (1962)	34.7° (1982)
10	56.3°	43.7°	22%	67.3° (1990)	35.8° (1999)
11	56.5°	44.1°	32%	65.5° (2009)	34° (1963)
12	56.8°	44.6°	25%	67.6° (2009)	30.2° (1963)
13	57.2°	44.2°	22%	68.5° (2009)	29.7° (1997)
14	57.2°	43.9°	30%	70° (2014)	30.4° (1997)
15	57°	44.2°	28%	71.2° (2014)	35.6° (1960)
16	57°	44.4°	38%	72° (2014)	31.5° (1987)
17	57.6°	44.2°	28%	72.3° (2014)	34.9° (2013)
18	57.9°	44.4°	27%	71.8° (2014)	35.6° (1968)
19	57.4°	43.9°	32%	70.7° (2014)	33.3° (1963)
20	57.2°	44.2°	23%	69.3° (2014)	35.4° (1961)
21	57.2°	44.1°	37%	68.4° (2014)	32.5° (1962)
22	57.2°	44.8°	37%	67.1° (2014)	28.8° (1962)
23	56.8°	44.2°	38%	68° (2014)	31.3° (1962)
24	57.2°	43.9°	33%	67.8° (2014)	34.2° (1962)
25	57.6°	43.7°	28%	70.2° (2014)	35.6° (1966)
26	56.7°	44.6°	32%	67.3° (1986)	35.8° (1979)
27	57.2°	43.7°	25%	68.5° (1986)	35.4° (1975)
28	56.8°	43.9°	27%	68.7° (1976)	34.3° (1968)
29	56.7°	43.9°	25%	67.1° (1976)	31.6° (2002)
30	56.8°	44.2°	30%	70.9° (1976)	33.1° (1972)
31	56.5°	44.1°	20%	70.5° (1976)	33.8° (1972)