San Francisco Airport, CA: Winter

28 February 2026: Winter 2026 (December 2025 to February 2026) averaged 53.7°F in San Francisco Airport, CA, the warmest winter since 2025, tied 5th warmest of 80 (with 2025).

Winter 2026 (December 2025 to February 2026)

Mean temperature: 53.7°F; Warmest since 2025; 5th warmest of 80
Precipitation: 11.65 in; Wettest since 2024; 34th wettest of 80

A normal winter in San Francisco Airport, CA (1991 to 2020): a mean temperature of 51.7°F, between 50.4°F and 53.4°F in eight years of ten and 11.74 in of precipitation, between 5.27 in and 19.56 in in eight years of ten.

The mean temperature of every winter in San Francisco Airport, CA since 1946: 53.7°F in 2026; the highest is 56.4°F, in 2015.

Normal range, 50.4 to 53.4°F

Every year, ranked, as a table

Every winter in San Francisco Airport, CA from 1946 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	53.7	5	59.8	10	47.6	3	11.65	34	0
2025	53.7	5	60.5	6	46.8	9	9.87	46	0
2024	54.6	2	60.5	6	48.8	2	13.55	24	0
2023	51.6	30	58	33	45.2	29	22.37	3	0
2022	52.5	16	59.6	11	45.3	26	10.24	43	0
2021	53.9	4	61.4	3	46.4	16	5.56	70	0
2020	53.6	7	60.5	6	46.8	9	4.89	76	0
2019	52.6	15	58.5	22	46.7	11	13.41	25	0
2018	53.4	9	60.6	5	46.2	17	5.31	72	0
2017	51.8	25	57.6	37	46.1	20	21.39	6	0
2016	53.3	11	59.2	13	47.4	5	9.80	48	0
2015	56.4	1	62.8	1	50	1	12.67	27	0
2014	53.2	12	61.1	4	45.3	26	4.12	77	0
2013	50.4	44	57.1	43	43.8	44	7.11	64	0
2012	50.6	41	58.1	31	43.2	50	2.95	79	0
2011	51.1	36	57.2	40	45	30	11.73	33	0
2010	51.4	32	56.3	60	46.5	15	11.74	32	0
2009	50.7	39	57.1	43	44.3	37	9.45	51	0
2008	49.8	53	55.8	66	43.8	44	12.52	28	0
2007	50.2	48	57	47	43.3	49	8.16	58	0
2006	52.5	16	59	15	46	22	14.09	21	0
2005	52.2	21	57.7	36	46.6	12	15.79	14	0
2004	51.5	31	56.7	55	46.2	17	14.00	22	0
2003	52.9	13	58.5	22	47.2	6	14.63	19	0
2002	51.2	34	57.2	40	45.3	26	11.42	35	0
2001	50.4	44	57	47	43.9	43	10.43	42	0
2000	52.3	20	58.6	21	46	22	14.72	18	0
1999	48.8	69	54.9	74	42.7	54	8.94	54	0
1998	52.1	23	57.5	38	46.6	12	25.71	1	0
1997	52.7	14	58.4	24	47.1	7	14.80	17	0
1996	53.4	9	59.3	12	47.5	4	19.36	7	0
1995	51.3	33	56.5	57	46.2	17	11.76	31	0
1994	50.7	39	57.5	38	44	39	9.95	45	0
1993	50.4	44	56.9	51	44	39	21.98	5	0
1992	51.8	25	59	15	44.7	32	11.18	37	0
1991	50.4	44	58.2	29	42.6	55	5.79	69	0
1990	49.7	55	57	47	42.4	58	5.35	71	0
1989	49.1	62	56.6	56	41.5	66	6.18	65	0
1988	51.8	25	58.9	19	44.7	32	8.81	56	0
1987	50.9	37	57.8	35	44	39	7.98	60	0
1986	52.2	21	58.4	24	46	22	13.74	23	0
1985	48.4	70	55.7	67	41.1	69	4.98	74	0
1984	52.5	16	58.9	19	46.1	20	8.16	58	0
1983	50	50	55.9	65	44	39	17.46	12	0
1982	49.6	57	55.7	67	43.5	48	15.54	15	0
1981	51.8	25	59	15	44.6	35	9.86	47	0
1980	51.9	24	59.1	14	44.6	35	16.77	13	0
1979	47.8	75	55.3	71	40.4	75	13.12	26	0
1978	52.5	16	58.4	24	46.6	12	17.51	11	0
1977	49.5	59	57.9	34	41.1	69	5.96	66	0
1976	49.4	60	58.2	29	40.6	74	2.71	80	0
1975	48.9	66	56.2	62	41.5	66	8.90	55	0
1974	49.4	60	56.2	62	42.5	57	8.46	57	0
1973	48.4	70	55.2	72	41.7	64	17.54	10	0
1972	47.8	75	54.8	75	40.8	72	5.88	67	0
1971	48.9	66	55.5	69	42.3	60	7.74	62	0
1970	53.6	7	60.2	9	47	8	15.10	16	0
1969	47.9	74	53.9	79	41.8	63	22.03	4	0
1968	49.6	57	57.1	43	42	62	10.19	44	0
1967	49.8	53	57	47	42.6	55	14.48	20	0
1966	47	78	54.3	78	39.7	77	10.90	38	0
1965	50	50	56.3	60	43.7	46	10.70	40	0
1964	48.3	72	56.9	51	39.7	77	5.20	73	0
1963	50.2	48	57.2	40	43.2	50	9.47	50	0
1962	48.2	73	55.2	72	41.1	69	12.00	30	0
1961	49.7	55	56.4	59	43	52	4.97	75	0
1960	50.6	41	58.3	27	42.9	53	10.84	39	0
1959	54	3	61.9	2	46	22	10.47	41	0
1958	51.7	29	58.3	27	45	30	18.35	8	0
1957	49.1	62	56.5	57	41.7	64	7.70	63	0
1956	49.9	52	56.2	62	43.6	47	24.20	2	0
1955	47	78	54.5	77	39.5	79	9.39	52	0
1954	50.5	43	59	15	42.1	61	5.84	68	0
1953	51.2	34	58.1	31	44.2	38	12.38	29	0
1952	48.9	66	55.4	70	42.4	58	17.57	9	0
1951	50.8	38	56.9	51	44.7	32	9.55	49	0
1950	47.4	77	54.6	76	40.2	76	11.25	36	0
1949	44.9	80	51.5	80	38.4	80	7.95	61	0
1948	49	64	57.1	43	40.8	72	3.57	78	2
1947									14
1946	49	64	56.8	54	41.3	68	9.17	53	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	56.4
2024	54.6
1959	54
2021	53.9
2026	53.7
2025	53.7
2020	53.6
1970	53.6
2018	53.4
1996	53.4

Coldest
Year	Mean, °F
1949	44.9
1966	47
1955	47
1950	47.4
1979	47.8
1972	47.8
1969	47.9
1962	48.2
1964	48.3
1985	48.4
More years share the last value

Wettest
Year	Precipitation, in
1998	25.71
1956	24.20
2023	22.37
1969	22.03
1993	21.98
2017	21.39
1996	19.36
1958	18.35
1952	17.57
1973	17.54

Driest
Year	Precipitation, in
1976	2.71
2012	2.95
1948	3.57
2014	4.12
2020	4.89
1961	4.97
1985	4.98
1964	5.20
2018	5.31
1990	5.35

The hottest, coldest and wettest days

Hottest day: 74°F; 28 February 2026
Coldest night: 40°F; 21 February 2026, 20 February 2026, 18 February 2026, 10 January 2026
Wettest day: 1.32 in; 4 January 2026

Every month, season and year

Months

Seasons

Years

San Francisco Airport, CA the day's answers

All-time records

Every answer in words

Winter 2026 (December 2025 to February 2026) brought 11.65 in of precipitation in San Francisco Airport, CA, the wettest winter since 2024, 34th wettest of 80.
The hottest day of winter 2026 (December 2025 to February 2026) in San Francisco Airport, CA: 74°F on Saturday 28 February 2026.
The coldest night of winter 2026 (December 2025 to February 2026) in San Francisco Airport, CA: a low of 40°F on Saturday 21 February 2026, Friday 20 February 2026, Wednesday 18 February 2026 and 1 other day.
The wettest day of winter 2026 (December 2025 to February 2026) in San Francisco Airport, CA: 1.32 in on Sunday 4 January 2026.