As of 10:03 PDT

Rossmoor, CA weather in January

80°

Rossmoor, Sunday, 9 August, 10:03

Mostly clear. Feels like 83°. High 94°, low 72°.

Pressure29.88 inHg

Wind2 mph NW

Humidity72%

Visibility6.2 mi

Dew point71°

See detailed hourly forecast

In January, Rossmoor, CA averages a high of 63.8° and a low of 45.5°. About 2.8 inches of precipitation fall over the month (6 wet days). The record high is 89.4° (2018) and the record low 29.8° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	63°	44.1°	10%	75.6° (1964)	34.5° (1983)
2	63°	43.7°	15%	77.5° (2001)	31.3° (1960)
3	62.6°	44.1°	22%	76.8° (1969)	31.8° (1971)
4	62.6°	44.1°	22%	79.2° (2012)	31.6° (1971)
5	63.1°	44.4°	32%	77.9° (2006)	30.2° (1972)
6	63.1°	45°	18%	77.7° (2015)	31.5° (1973)
7	63°	45.7°	20%	80.8° (1962)	30.4° (1971)
8	63°	45.1°	13%	82.6° (2007)	31.1° (1982)
9	63.1°	45.9°	23%	78.4° (1983)	34.3° (1989)
10	63.7°	46°	20%	78.4° (1983)	36.3° (1972)
11	64.4°	46°	13%	80.2° (1996)	33.4° (1962)
12	64.4°	45.9°	17%	79.7° (1983)	32.5° (1989)
13	65.7°	45.1°	13%	80.6° (2018)	29.8° (1963)
14	65.7°	45.5°	15%	82.9° (2014)	30.4° (1963)
15	65.1°	46.4°	18%	87.6° (2021)	31.5° (2007)
16	64.2°	47.1°	23%	85.8° (1976)	32.4° (2007)
17	64.9°	46.4°	17%	83.5° (1976)	34.3° (1960)
18	65.1°	45.9°	13%	82.2° (1971)	34.2° (2001)
19	64.2°	46.9°	18%	81.9° (1975)	37° (2007)
20	63.9°	46.6°	17%	79.9° (1976)	32.4° (1963)
21	63.1°	46.2°	17%	78.8° (1976)	32.7° (1987)
22	63.5°	45.5°	18%	78.3° (2025)	34.5° (1966)
23	63.9°	45.9°	22%	77.4° (1968)	36.1° (1996)
24	64.4°	45.3°	17%	79.3° (2015)	34.7° (2002)
25	64°	46°	22%	79.7° (2003)	34.7° (1962)
26	63.9°	46.2°	17%	80.1° (2003)	35.8° (1989)
27	63.9°	45.7°	18%	79.9° (1971)	34.2° (1979)
28	64°	45.5°	17%	87.8° (2018)	36.5° (1999)
29	64.2°	44.8°	10%	89.4° (2018)	31.3° (1979)
30	63.1°	45.5°	18%	81.1° (2018)	35.6° (2002)
31	63.5°	45.5°	20%	83.7° (2003)	33.4° (1972)