Riverside, CA: 2025

31 December 2025: 2025 averaged 67.3°F in Riverside, CA, the warmest year since 2022, tied 12th warmest of 116 (with 2000).

2025

Mean temperature: 67.3°F; Warmest since 2022; 12th warmest of 116
Precipitation: 8.66 in; Wettest since 2024; 54th wettest of 108

A normal year in Riverside, CA (1991 to 2020): 8.51 in of precipitation, between 3.39 in and 16.34 in in eight years of ten.

The mean temperature of every year in Riverside, CA since 1893: 67.3°F in 2025; the highest is 69.2°F, in 2014.

Every year, ranked, as a table

Every year in Riverside, CA from 1893 to 2025, 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
2025	67.3	12	80.3	42	54.3	8	8.66	54	0
2024	66.6	22	79.7	60	53.6	12	11.31	36	0
2023	65.3	37	77.6	108	53	20	13.19	26	0
2022	68.2	6	81.5	15	54.9	5	4.49	97	0
2021	66.9	19	80.3	42	53.6	12	7.26	72	0
2020	67.9	7	81.6	12	54.2	9	7.75	69	0
2019	65.8	29	78.6	86	52.9	21	14.48	19	1
2018	67.9	7	81.1	22	54.7	6	7.20	73	0
2017	68.4	4	81.7	11	55.1	4	8.49	57	0
2016	68.5	3	81.6	12	55.5	3	9.54	43	0
2015	68.8	2	81.9	9	55.8	2	7.51	70	0
2014	69.2	1	82.4	3	56	1	5.32	91	0
2013	67.2	14	80.4	39	53.9	11	3.40	103	6
2012	67.7	9	81	24	54.5	7	4.76	94	2
2011	65.5	31	78.7	82	52.4	24	6.89	77	0
2010	65.5	31	78.2	95	52.8	22	16.40	12	5
2009	66.5	23	79.7	60	53.3	15	5.47	89	0
2008							3.30	104	108
2007							3.13	106	68
2006							3.07	107	80
2005							13.85	21	81
2004							13.61	24	56
2003			81.1	22	53.5	14	10.59	38	39
2002							4.45	98	70
2001							8.79	51	72
2000	67.3	12	81.5	15	53.1	18	6.43	81	18
1999	65.9	28	80.7	32	51.2	35	4.24	100	24
1998	65.4	34	78.9	77	52.1	29	17.91	6	23
1997	68.3	5	82.2	5	54.1	10	8.71	53	21
1996	67.7	9	82.3	4	53.2	17	8.57	55	25
1995	67.1	15	81	24	53.1	18	16.33	13	16
1994	66.4	25	80.7	32	52	30	8.53	56	18
1993	67.1	15	81	24	53.3	15	16.80	11	29
1992							12.80	27	42
1991	66.5	23	81	24	52	30	11.84	31	5
1990	67.1	15	81.9	9	52.3	25	5.80	85	5
1989	67.6	11	83	2	52.3	25	2.71	108	34
1988	67.1	15	82	7	52.2	28	7.77	68	7
1987	66.2	26	80.5	37	51.9	32	9.11	47	6
1986	65.4	34	81.6	12	49.3	54	9.02	48	2
1985	64.9	44	80.4	39	49.5	48	5.77	86	6
1984	66.8	20	82.1	6	51.7	33	5.75	87	8
1983	65.6	30	78.9	77	52.5	23	22.94	1	11
1982	64.1	59	77.7	106	50.8	37	13.84	22	21
1981	66.8	20	81.2	18	52.3	25	8.32	58	5
1980	66.1	27	80.7	32	51.5	34	14.38	20	4
1979	65.3	37	80	53	50.7	38	11.65	34	2
1978	65.1	40	79.3	68	51.1	36	21.54	3	1
1977	65.4	34	80.1	48	50.7	38	8.96	50	2
1976	65.1	40	80.1	48	50	43	8.27	59	6
1975	63.4	75	78.3	94	48.5	64	6.58	80	0
1974	64.8	46	79.1	72	50.6	40	8.01	62	4
1973	63.3	78	77.5	111	49	57	8.00	63	3
1972	64.3	56	79.1	72	49.5	48	4.27	99	5
1971	63.3	78	77.9	98	48.7	61	5.87	84	3
1970	64.3	56	79.2	69	49.4	51	9.27	45	6
1969	64.1	59	77.8	102	50.4	41	17.84	7	3
1968	64.8	46	79.6	65	50	43	6.22	82	4
1967	64.9	44	79.7	60	50.4	41	9.17	46	9
1966	64.7	49	79.7	60	49.8	45	8.79	51	6
1965	63.4	75	77.6	108	49	57	16.02	15	8
1964	62.8	90	77.8	102	47.8	73	5.34	90	2
1963	63.5	72	78	97	49.2	56	10.11	42	11
1962	63.2	82	78.4	91	48.1	70	7.17	74	2
1961	64.6	53	79.8	57	49.3	54	3.59	102	16
1960	65	43	80.2	45	49.7	46	7.09	75	4
1959	65.3	37	81.2	18	49.5	48	4.91	93	2
1958	64.8	46	80.3	42	49.4	51	12.05	29	5
1957	64	63	78.5	89	49.6	47	12.03	30	10
1956	63.6	68	79.8	57	47.5	75	7.90	64	13
1955	62.8	90	78.8	80	46.9	84	7.06	76	11
1954	63.2	82	79	75	47.4	77	11.28	37	4
1953	61.3	113	78.2	95	44.5	114	4.70	95	5
1952	61.5	110	76.4	117	46.6	92	17.12	9	2
1951	61.7	108	77.4	113	46	99	10.43	39	0
1950	61.5	110	78.8	80	44.1	116	6.05	83	0
1949	61	114	77.8	102	44.1	116	7.81	66	0
1948			78.7	82	43.5	118	7.36	71	37
1947			80.6	35			3.67	101	62
1946	63.6	68	80.1	48	46.4	94	10.21	41	17
1945	62.7	92	78.4	91	46.8	88	12.41	28	4
1944	62	101	77.5	111	46.6	92	11.80	33	0
1943	64.6	53	80.8	29	48.4	66	17.01	10	14
1942	63.5	72	80.2	45	46.8	88	3.27	105	0
1941	63.1	85	77.7	106	48.5	64	22.00	2	0
1940	65.1	40	81.2	18	49	57	15.71	17	2
1939	64.7	49	81.2	18	48.3	68	7.84	65	0
1938	64.1	59	80.1	48	48.1	70	19.33	4	1
1937	63.4	75	79.4	66	47.4	77	13.79	23	0
1936	64.7	49	80.8	29	48.6	63	17.61	8	0
1935	61.9	104	77.8	102	46.1	96	11.36	35	0
1934	64.6	53	80.8	29	48.3	68	5.64	88	14
1933	61.8	105	78.5	89	45.1	109	7.81	66	2
1932	62	101	77.9	98	46	99	9.38	44	5
1931	63.6	68	78.6	86	48.7	61	16.20	14	0
1930	62.6	94	79.2	69	46	99	13.58	25	14
1929	62.7	92	78.4	91	47.1	83	5.23	92	14
1928	63	88	79.2	69	46.9	84	6.83	78	6
1927	63.3	78	78.6	86	48	72	16.00	16	2
1926	65.5	31	82	7	48.9	60			0
1925	64.1	59	80.9	28	47.3	79			0
1924	63.7	66	81.3	17	46	99			0
1923	63.5	72	80	53	46.9	84			0
1922	63.2	82	79.4	66	46.9	84			1
1921	63.8	64	80.1	48	47.5	75			2
1920	62.4	96	78.7	82	46.1	96			0
1919	63.1	85	80.6	35	45.5	106			18
1918	63.6	68	79.7	60	47.6	74			11
1917	64.3	56	83.1	1	45.3	108			5
1916	62.3	97	79.8	57	44.7	112			2
1915	63.7	66	80.5	37	46.8	88			2
1914	64.7	49	79.9	55	49.4	51	15.56	18	4
1913	63.3	78	79.9	55	46.8	88	9.00	49	0
1912	62.1	99	79	75	45.1	109	8.15	61	0
1911	62.6	94	79.1	72	45.4	107	11.81	32	13
1910	63.8	64	80.4	39	47.2	81	4.68	96	0
1909	62.1	99	75.7	119	48.4	66			0
1908	62	101	77.9	98	46.1	96			0
1907	62.2	98	77.2	114	47.2	81			7
1906	61.8	105	77.6	108	45.9	104			4
1905	61.7	108	77.2	114	46.2	95	18.42	5	4
1904	63.1	85	80.2	45	45.9	104	6.63	79	4
1903	61.4	112	77.9	98	44.9	111	10.43	39	3
1902	60.8	116	77.1	116	44.3	115	8.20	60	8
1901									226
1896									335
1895	63	88	78.7	82	47.3	79			2
1894	61.8	105	78.9	77	44.7	112			13
1893	61	114	76.1	118	46	99			34

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2014	69.2
2015	68.8
2016	68.5
2017	68.4
1997	68.3
2022	68.2
2020	67.9
2018	67.9
2012	67.7
1996	67.7

Coldest
Year	Mean, °F
1902	60.8
1949	61
1893	61
1953	61.3
1903	61.4
1952	61.5
1950	61.5
1951	61.7
1905	61.7
1933	61.8
More years share the last value

Wettest
Year	Precipitation, in
1983	22.94
1941	22.00
1978	21.54
1938	19.33
1905	18.42
1998	17.91
1969	17.84
1936	17.61
1952	17.12
1943	17.01

Driest
Year	Precipitation, in
1989	2.71
2006	3.07
2007	3.13
1942	3.27
2008	3.30
2013	3.40
1961	3.59
1947	3.67
1999	4.24
1972	4.27

The hottest, coldest and wettest days

Hottest day: 105°F; 7 August 2025
Coldest night: 37°F; 31 January 2025, 21 January 2025, 16 January 2025, 14 January 2025
Wettest day: 1.25 in; 15 November 2025

Month by month

Month	Mean temperature	Precipitation
January	55.5°F 31st warmest of 113	0.38 in 22nd driest of 118
February	60.4°F 6th warmest of 110	1.55 in 54th driest of 108
March	57.8°F 50th warmest of 112	1.76 in 43rd wettest of 113
April	62.6°F 40th warmest of 115	0.09 in 26th driest of 111
May	69.5°F 14th warmest of 119	0.48 in 15th wettest of 120
June	74.7°F 18th warmest of 117	0.03 in 27th wettest of 108
July	76°F 47th coldest of 117	a trace 40th wettest of 120
August	81°F 19th warmest of 122	a trace 37th wettest of 108
September	77.9°F 12th warmest of 121	0.05 in 37th wettest of 120
October	68.9°F 29th warmest of 116	0.61 in 22nd wettest of 114
November	63.2°F 7th warmest of 117	2.52 in 7th wettest of 122
December	60.1°F Warmest of 116	1.19 in 49th wettest of 110

Hot days and freezes

Riverside, CA has had 93 days at 90°F or above in 2025 through 31 December, the most by that date since 2024, tied 73rd most of 119 (with 1991, 1974 and 1961).
Riverside, CA has had 16 days at 100°F or above in 2025 through 31 December, the most by that date since 2024, tied 83rd most of 119 (with 1993, 1970, 1961 and 3 other years).

Daily records set

Date	Record	Value	Before	Check
10 December	Warmest day	88°F	87°F 1958	Provisional
29 October	Warmest day	96°F	95°F 2007, 1966, 1965, 1918, 1915	Provisional
30 May	Warmest day	101°F	99°F 1984, 1910	Provisional
10 May	Warmest day	104°F	103°F 1940	Provisional

Daily records set and not listed: 0

Every month, season and year

Months

Seasons

Years

2025
2026

Riverside, CA the day's answers

All-time records

Every answer in words

2025 brought 8.66 in of precipitation in Riverside, CA, the wettest year since 2024, 54th wettest of 108.
The hottest day of 2025 in Riverside, CA: 105°F on Thursday 7 August 2025.
The coldest night of 2025 in Riverside, CA: a low of 37°F on Friday 31 January 2025, Tuesday 21 January 2025, Thursday 16 January 2025 and 1 other day.
The wettest day of 2025 in Riverside, CA: 1.25 in on Saturday 15 November 2025.