Riverside, CA: January

31 January 2026: January 2026 averaged 59.3°F in Riverside, CA, the warmest January since 2018, 5th warmest of 114.

January 2026

Mean temperature: 59.3°F; Warmest since 2018; 5th warmest of 114
Precipitation: 0.75 in; Driest since 2025; 39th driest of 119

A normal January in Riverside, CA (1991 to 2020): 1.08 in of precipitation, between 0.02 in and 5.51 in in eight years of ten.

The mean temperature of every January in Riverside, CA since 1893: 59.3°F in 2026; the highest is 61.2°F, in 2014.

Every year, ranked, as a table

Every January in Riverside, CA from 1893 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	59.3	5	72	10	46.7	4	0.75	81	0
2025	55.5	32	68	57	42.9	30	0.38	98	0
2024	55.2	35	66.4	71	44	22	1.68	50	0
2023	52.2	77	61.5	107	43	29	3.09	26	0
2022	57.9	10	69.9	29	45.8	7	0.01	114	0
2021	56.7	15	69.1	40	44.3	19	1.59	52	0
2020	55.9	26	68.1	54	43.7	25	0.08	109	0
2019	55.8	27	66.2	73	45.4	10	2.84	31	0
2018	60.5	2	73.7	6	47.3	2	1.55	54	0
2017	53.3	63	62.2	104	44.5	17	5.48	8	0
2016	55.1	36	65.6	76	44.5	17	2.59	34	0
2015	58.7	7	71.2	15	46.3	6	0.58	92	0
2014	61.2	1	75.6	1	46.7	4	trace	115	0
2013	54.2	46	67	66	41.5	41	0.90	76	0
2012	58.9	6	72.3	9	45.4	10	0.48	94	0
2011	57.8	11	69.9	29	45.6	9	0.48	94	0
2010	56.4	19	68.4	50	44.3	19	5.61	6	1
2009	59.5	3	71.7	12	47.3	2	0.06	111	0
2008							1.47	55	9
2007							trace	115	5
2006							0.02	113	10
2005							5.49	7	6
2004					42	39	0.40	97	4
2003					45.8	7	0.00	117	4
2002							0.25	100	6
2000	58	9	71.1	18	44.6	16	0.68	85	3
1999	56.7	15	71.1	18	42.9	30	1.40	57	3
1998	55.6	29	67.7	59	43.4	26	2.66	33	2
1997			65.2	81			3.57	24	6
1996	57.4	12	71.1	18	43.8	24	1.08	68	0
1995	54.4	43	63.7	92	45	12	8.35	2	0
1994	58.3	8	74.5	2	42.1	38	0.64	88	2
1993					44.8	13	9.14	1	5
1992	56.6	17	71.7	12	41.5	41	1.59	52	1
1991	56.3	20	69.9	29	42.7	33	1.76	46	0
1990	56.1	22	71	21	41	45	1.80	45	1
1989	53.2	64	67.4	61	39	68	0.90	76	0
1988	56.2	21	70.1	27	42.5	36	1.05	70	1
1987	52.4	73	66.9	67	37.7	87	1.32	61	1
1986	59.4	4	74	4	44.8	13	1.39	58	0
1985	52.2	77	64.4	87	39.9	53	0.84	79	0
1984	56.1	22	71.2	15	40.9	46	0.16	103	1
1983	56.1	22	69.5	34	42.9	30	2.58	35	3
1982	51.5	83	63.5	94	39.5	61	2.95	28	0
1981	56.5	18	69.5	34	43.4	26	2.03	41	1
1980	57.3	13	66.5	69	48.1	1	5.47	9	0
1979	50	96	60.5	109	39.6	58	4.35	16	1
1978	54.6	39	65.3	80	43.9	23	5.98	5	0
1977	54.1	49	67.1	64	41.1	44	2.10	39	0
1976	56	25	73.3	7	38.7	75	0.00	117	0
1975	54	51	69.2	39	38.8	72	0.12	106	0
1974	52.8	71	62.9	100	42.7	33	3.85	22	0
1973	50.5	90	63.4	95	37.5	89	1.12	66	0
1972	50.4	92	65.5	77	35.3	109	0.00	117	0
1971	53.4	62	66.7	68	39.7	55	0.66	86	1
1970	52.9	70	63.9	89	41.9	40	1.08	68	0
1969	54.9	37	65	83	44.8	13	6.76	4	0
1968	53.6	61	68.1	54	39.1	66	0.70	83	0
1967	54	51	68.9	43	39.1	66	2.09	40	0
1966	51.3	86	65.5	77	37	90	0.60	90	0
1965	54.1	49	68.2	52	39.6	58	0.48	94	3
1964	51.5	83	64.6	85	38.4	80	1.20	64	0
1963	50.8	87	63.9	89	37.7	87	0.17	102	0
1962	54.4	43	68.8	45	40.7	48	1.65	51	1
1961	57.2	14	74	4	40.3	50	0.65	87	0
1960	50.5	90	63.1	98	38	86	2.03	41	1
1959	55.6	29	71.8	11	39.3	63	0.71	82	0
1958	54.5	40	68.5	48	40.6	49	1.10	67	0
1957	49.7	100	60.2	112	39.7	55	4.12	18	1
1956	53.8	57	68	57	40.2	51	4.13	17	2
1955	48.9	106	61.6	106	36.2	99	2.92	29	0
1954	49.3	103	63.1	98	35.5	106	3.75	23	0
1953	54.2	46	69.1	40	39.4	62	0.69	84	0
1952	47.8	109	59.8	114	35.9	102	5.08	11	0
1951	49.9	98	64.2	88	35.6	104	1.45	56	0
1950	45.1	112	59.6	115	30.6	119	1.72	47	0
1949	41.9	114	52.2	119	31.5	117	2.78	32	0
1948			74.4	3			0.06	111	6
1947			69.7	32			0.12	106	9
1946	53.2	64	69.5	34	36.9	91	0.08	109	0
1945	51.6	82	67.1	64	36.1	101	0.24	101	0
1944	52.3	76	65.8	75	38.7	75	0.91	74	0
1943	54.2	46	67.2	63	41.2	43	5.22	10	0
1942	54.3	45	68.8	45	39.8	54	0.33	99	0
1941	53.9	54	65.5	77	42.2	37	1.22	62	0
1940	55.3	34	67.4	61	43.3	28	3.28	25	0
1939	52.4	73	66.5	69	38.4	80	2.50	37	0
1938	55.5	32	71.2	15	39.7	55	1.18	65	0
1937	42	113	53.4	118	30.7	118	1.94	44	0
1936	53.9	54	69.3	38	38.4	80	0.09	108	0
1935	50.6	89	62.7	101	38.5	79	2.32	38	0
1934	53.8	57	69.4	37	38.2	85	1.22	62	0
1933	49	104	62.6	102	35.4	107	4.04	19	0
1932	46.4	111	57.5	117	35.2	110	1.05	70	1
1931	53.2	64	67.5	60	38.9	70	2.51	36	0
1930	49.7	100	60.5	109	38.8	72	4.65	14	0
1929	49.4	102	61.9	105	36.8	92	1.39	58	2
1928	54.5	40	70.3	26	38.6	77	0.77	80	0
1927	53.8	57	68.6	47	39	68	0.52	93	0
1926	53.7	60	70.7	23	36.6	96	0.64	88	0
1925	53.1	67	70.6	25	35.6	104			0
1924	53.1	67	70.8	22	35.4	107	0.15	104	0
1923	54	51	69.6	33	38.4	80			0
1922	49	104	62.3	103	35.8	103			0
1921	50.8	87	64.8	84	36.8	92			0
1920	53.9	54	68.4	50	39.3	63			0
1919					36.2	99			4
1918	52.8	71	69.1	40	36.5	98	0.59	91	0
1917	50.4	92	63.7	92	36.7	95	1.99	43	2
1916	48.7	107	58.3	116	39.2	65			2
1915	52.4	73	65.1	82	39.6	58	4.48	15	0
1914			66.4	71	44.2	21	6.83	3	4
1913	50.4	92	66.2	73	34.6	115	0.91	74	0
1912	55.6	29	72.5	8	38.6	77			0
1911			64.5	86			4.70	13	13
1910	50.1	95	63.3	96	36.8	92	1.70	48	0
1909	53	69	63.3	96	42.7	33	4.89	12	0
1908	51.4	85	63.9	89	38.8	72	3.93	21	0
1907	48.5	108	60.5	109	36.6	96	4.02	20	0
1906	51.7	81	68.5	48	34.9	112	1.38	60	0
1905	55.8	27	71.5	14	40.1	52	3.07	27	0
1904	50	96	68.2	52	31.9	116	0.15	104	0
1903	52	80	68.9	43	35	111	0.94	73	0
1902	52.2	77	70	28	34.7	114	0.90	76	2
1896	54.5	40	68.1	54	40.8	47	1.69	49	0
1895	49.9	98	61.4	108	38.4	80			0
1894	47.5	110	60.1	113	34.9	112	0.99	72	0
1893	54.8	38	70.7	23	38.9	70	2.87	30	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2014	61.2
2018	60.5
2009	59.5
1986	59.4
2026	59.3
2012	58.9
2015	58.7
1994	58.3
2000	58
2022	57.9

Coldest
Year	Mean, °F
1949	41.9
1937	42
1950	45.1
1932	46.4
1894	47.5
1952	47.8
1907	48.5
1916	48.7
1955	48.9
1933	49
More years share the last value

Wettest
Year	Precipitation, in
1993	9.14
1995	8.35
1914	6.83
1969	6.76
1978	5.98
2010	5.61
2005	5.49
2017	5.48
1980	5.47
1943	5.22

Driest
Year	Precipitation, in
2003	0.00
1976	0.00
1972	0.00
2014	trace
2007	trace
2022	0.01
2006	0.02
2009	0.06
1948	0.06
2020	0.08
More years share the last value

The hottest, coldest and wettest days

Hottest day: 84°F; 31 January 2026
Coldest night: 38°F; 27 January 2026
Wettest day: 0.36 in; 1 January 2026

Every month, season and year

Months

Seasons

Years

Riverside, CA the day's answers

All-time records

Every answer in words

January 2026 brought 0.75 in of precipitation in Riverside, CA, the driest January since 2025, 39th driest of 119.
The hottest day of January 2026 in Riverside, CA: 84°F on Saturday 31 January 2026.
The coldest night of January 2026 in Riverside, CA: a low of 38°F on Tuesday 27 January 2026.
The wettest day of January 2026 in Riverside, CA: 0.36 in on Thursday 1 January 2026.