Average Temperatures for California Cities in January

Average daily high and low temperatures for January at dozens of cities throughout California are listed below in degrees Fahrenheit and Celsius.

You can jump to separate tables for cities in Southern California and Northern California.

The tables give the normal maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Northern California

January temperature averages
High °F	Low °F	Place	High °C	Low °C
56	40	Antioch	13	5
59	43	Berkeley	15	6
56	36	Chico	13	2
55	33	Clearlake	13	0
58	42	Concord	15	5
56	38	Davis	13	4
55	41	Eureka	13	5
57	40	Fairfield	14	5
59	43	Fremont	15	6
55	41	Fresno	13	5
54	33	Grass Valley	12	1
59	43	Hayward	15	6
57	39	Livermore	14	4
55	38	Madera	13	3
54	37	Merced	12	3
56	39	Modesto	13	4
59	40	Napa	15	5
58	43	Newark	15	6
60	45	Oakland	15	7

High °F	Low °F	Place	High °C	Low °C
58	39	Palo Alto	14	4
58	39	Petaluma	14	4
59	40	Porterville	15	4
57	38	Red Bluff	14	3
57	38	Redding	14	3
59	41	Redwood City	15	5
58	44	Richmond	15	7
57	41	Sacramento	14	5
58	47	San Francisco	14	8
60	42	San Jose	15	5
57	43	San Rafael	14	6
60	38	Santa Rosa	15	4
56	33	Sonora	13	0
58	39	Stockton	15	4
56	41	Tracy	14	5
55	42	Turlock	13	6
57	37	Ukiah	14	3
58	40	Vacaville	14	4
57	42	Vallejo	14	6
62	40	Watsonville	17	4
56	38	Woodland	13	3
56	38	Yuba City	13	3

Southern California

Average January temperatures
High °F	Low °F	Place	High °C	Low °C
71	49	Anaheim	22	9
59	41	Bakersfield	15	5
69	43	Burbank	21	6
68	47	Chula Vista	20	8
71	43	El Centro	22	6
69	45	Escondido	20	7
69	46	Fullerton	20	8
56	37	Hanford	13	3
69	49	Irvine	21	9
59	31	Lancaster	15	0
67	47	Long Beach	20	8
68	49	Los Angeles	20	9
63	47	Oceanside	17	8
68	45	Ontario	20	7
66	46	Oxnard	19	8
60	35	Palmdale	15	2
68	46	Pasadena	20	8
68	43	Pomona	20	6
68	44	Riverside	20	6
62	42	Salinas	17	5
66	50	San Diego	19	10
65	44	San Luis Obispo	18	7
69	49	Santa Ana	21	9
67	47	Santa Barbara	19	8
63	41	Santa Cruz	17	5
67	47	Torrance	19	8
58	33	Victorville	15	1
55	38	Visalia	13	4

Average January Temperatures at Cities in California

Northern California

Southern California

Reference

More California Weather Information