El Cajon, CA: August

31 August 2026: August 2026 averaged 80.2°F in El Cajon, CA, the warmest August on record, in 110 years since 1899 (1901 excluded: 11 of 31 days missing; 1904 excluded: 5 of 31 days missing; 1911 excluded: 12 of 31 days missing; 15 more years excluded for missing days); provisional.

August 2026

Mean temperature: 80.2°F; Warmest on record; Warmest of 110, provisional
Precipitation: 0.00 in; Ties the record; Driest of 121, provisional

A normal August in El Cajon, CA (1991 to 2020): 0.00 in of precipitation, between 0.00 in and 0.05 in in eight years of ten.

The mean temperature of every August in El Cajon, CA since 1899: 80.2°F in 2026, the highest of them all.

Every year, ranked, as a table

Every August in El Cajon, CA from 1899 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	80.2	1	91.5	8	68.9	2	0.00	66	0
2025	76	33	88	67	64.1	29	0.08	24	0
2024	76.5	27	88.8	51	64.2	28	0.05	29	0
2023	76.5	27	88	67	65.1	19	1.89	2	0
2022	78.3	11	89.5	32	67.1	6	0.02	36	0
2021	77.6	17	88.6	55	66.6	9	0.00	66	0
2020	79.5	2	91.3	10	67.6	3	0.00	66	0
2019	76.5	27	89	45	64	31	0.00	66	0
2018	79.5	2	90	24	69	1	0.00	66	0
2017	77.3	20	88.1	63	66.5	10	0.00	66	0
2016	77.6	17	89	45	66.3	12	0.00	66	0
2015	78.6	10	89.6	30	67.6	3	0.01	39	0
2014	77.5	19	88.7	54	66.3	12	0.29	11	0
2013	75.2	47	86.3	98	64.1	29	0.00	66	0
2012	78	13	89.3	38	66.8	8	0.01	39	0
2011	75.2	47	86.9	89	63.5	37	0.00	66	0
2010	75.1	51	88.1	63	62	51	0.00	66	0
2009	76.5	27	90.1	22	63	43	0.00	66	0
2008					65.4	18	0.00	66	4
2007									10
2006	76.8	23	89.8	28	63.9	32	0.10	19	1
2005	76.7	25	89.5	32	63.8	33	0.00	66	1
2004			87.3	83			0.00	66	5
2003	79.2	4	92.7	2	65.6	15	0.01	39	2
2002							0.00	66	11
2001			88.6	55			0.00	66	7
2000			91.7	6	63.3	40	trace	47	4
1999	74.7	55	88.4	60	61.2	60	0.03	33	3
1997							0.00	66	11
1996							0.00	66	11
1995							0.00	66	8
1994	78.9	7	91.3	10	66.4	11	0.02	36	0
1993					63.5	37	0.00	66	4
1992	79.1	5	90.8	15	67.3	5	0.10	19	3
1991	74.2	62	85.3	110	63	43	0.01	39	3
1990	75.3	42	86.9	89	63.8	33	trace	47	2
1989	74	67	84.4	112	63.5	37	0.00	66	3
1988	74.6	56	85.5	107	63.8	33	0.00	66	1
1987					62.6	47	0.00	66	6
1986	77.2	21	89.9	26	64.5	24	0.13	14	3
1985					62.7	46	0.00	66	4
1984	77.1	22	87.5	80	66.9	7	trace	47	2
1983	78.7	9	92.7	2	64.7	21	0.09	23	1
1982	77.7	16	91.2	13	64.6	22	0.00	66	2
1981	78.9	7	92.1	4	65.6	15	0.00	66	0
1980	76.1	32	89	45	63.3	40	0.00	66	2
1978	73.5	81	86.1	104	60.9	63	trace	47	0
1977	75.3	42	86.3	98	64.4	27	1.77	3	0
1976	73.8	71	87.1	86	60.4	66	0.04	32	0
1975	72.9	87	87.2	85	58.7	85	0.00	66	0
1974	73.3	82	84.9	111	61.7	54	0.00	66	0
1973	73.9	69	85.7	106	62.2	49	trace	47	1
1972	76.3	31	88	67	64.6	22	0.01	39	0
1971	78.1	12	90.5	18	65.6	15	0.05	29	0
1970	76.8	23	89	45	64.5	24	0.02	36	0
1969	78	13	91.5	8	64.5	24	0.48	6	0
1968	73.7	74	86.2	102	61.3	58	trace	47	0
1967	79	6	91.7	6	66.2	14	0.06	27	0
1966	76.7	25	88.6	55	64.8	20	0.00	66	0
1965	75.9	34	89.2	42	63	43	0.00	66	1
1964	73.7	74	86.2	102	61.2	60	trace	47	0
1963	75	53	88.2	62	61.8	53	0.01	39	0
1962	75.3	42	90.1	22	60.6	64	0.00	66	0
1961	75.5	40	87.3	83	63.8	33	0.13	14	0
1960	74.6	56	87.7	75	61.5	57	0.00	66	0
1959	75.8	35	89.5	32	62.1	50	0.06	27	0
1958	75.6	39	89.3	38	62	51	0.00	66	0
1957	75	53	90.3	21	59.6	74	trace	47	0
1956	71	103	86.8	93	55.2	110	0.00	66	0
1955	75.8	35	92.1	4	59.4	76	0.03	33	0
1954	72	98	86.3	98	57.5	95	0.00	66	1
1953	71.9	99	86.9	89	57.1	100	0.00	66	2
1952	73.7	74	89.5	32	58	90	0.00	66	0
1951	71.7	100	87.4	81	56.1	108	1.92	1	0
1950	69.6	108	86.3	98	52.9	115	0.00	66	0
1949	71.5	101	87.7	75	55.2	110	0.00	66	0
1948	70.1	107	86.8	93	53.4	114	0.00	66	0
1947	72.5	92	87.6	78	57.4	96	0.00	66	0
1946	74.6	56	90.8	15	58.5	86	0.00	66	0
1945	75.3	42	89.5	32	61.1	62	1.35	4	0
1944	72.9	87	91.3	10	54.5	112	0.00	66	0
1943	73.8	71	87.6	78	60.1	69	trace	47	0
1942	72.7	89	87.8	74	57.6	93	0.05	29	0
1941	72.7	89	86.6	96	58.9	81	trace	47	2
1940	72.6	91	87	87	58.2	88	0.00	66	0
1939	75.2	47	90	24	60.3	67	0.07	25	1
1938	73.9	69	87.9	71	59.8	71	0.12	17	0
1937			89.1	43			trace	47	5
1936	75.2	47	89.8	28	60.5	65	trace	47	0
1935	75.7	37	89	45	62.4	48	0.42	7	0
1934	73	84	87	87	58.9	81	trace	47	0
1933	73.6	78	86.8	93	59.7	72	0.00	66	2
1932	69.5	109	83.4	113	55.7	109	0.00	66	0
1931	75.3	42	87.4	81	63.1	42	0.37	8	0
1930	74.1	64	88.5	58	59.7	72	trace	47	0
1929	77.8	15	93.9	1	61.7	54	trace	47	0
1928	72.2	95	88	67	56.3	106	0.00	66	0
1927	73.7	74	89.1	43	58.2	88	trace	47	0
1926	74	67	88.8	51	59.3	77	0.11	18	0
1925	73.3	82	89.3	38	57.3	98	0.00	66	0
1924	72.3	94	87.9	71	56.7	104	0.03	33	0
1923	72.4	93	87.7	75	57.1	100			0
1922	75.5	40	90.8	15	60.2	68	0.01	39	0
1921	73.6	78	88.4	60	58.9	81	0.07	25	0
1920	74.6	56	89.3	38	59.9	70	0.00	66	1
1919	73.8	71	88.5	58	59.1	79	0.10	19	0
1918	75.7	37	89.6	30	61.7	54	0.19	12	0
1917	74.3	61	89	45	59.6	74			0
1916	72.1	96	86.6	96	57.6	93	0.10	19	0
1915	74.1	64	90.4	19	57.9	92	trace	47	0
1914	70.2	105	83.3	114	57.1	100	0.00	66	0
1913	74.1	64	89.9	26	58.3	87	0.33	9	0
1912	71	103	85.5	107	56.5	105	0.32	10	0
1911							0.00	66	12
1910	73	84	88.8	51	57.3	98	0.00	66	0
1909	75.1	51	91.2	13	59.1	79	0.15	13	0
1908	74.6	56	87.9	71	61.3	58	0.89	5	0
1907	72.1	96	86.9	89	57.4	96	0.00	66	1
1906	73.6	78	88.1	63	59.2	78	0.13	14	0
1905	74.2	62	89.5	32	58.9	81	0.01	39	0
1904			90.4	19			trace	47	5
1903	73	84	88.1	63	58	90	0.00	66	0
1902	71.4	102	85.5	107	57	103	0.00	66	2
1901									11
1900	69.4	110	82.5	115	56.2	107			0
1899	70.2	105	86	105	54.4	113	trace	47	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2026	80.2
2020	79.5
2018	79.5
2003	79.2
1992	79.1
1967	79
1994	78.9
1981	78.9
1983	78.7
2015	78.6

Coldest
Year	Mean, °F
1900	69.4
1932	69.5
1950	69.6
1948	70.1
1914	70.2
1899	70.2
1956	71
1912	71
1902	71.4
1949	71.5

Wettest
Year	Precipitation, in
1951	1.92
2023	1.89
1977	1.77
1945	1.35
1908	0.89
1969	0.48
1935	0.42
1931	0.37
1913	0.33
1912	0.32

Driest
Year	Precipitation, in
2026	0.00
2021	0.00
2020	0.00
2019	0.00
2018	0.00
2017	0.00
2016	0.00
2013	0.00
2011	0.00
2010	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 101°F; 26 August 2026, 23 August 2026
Coldest night: 65°F; 18 August 2026

Every month, season and year

Months

Seasons

Years

El Cajon, CA the day's answers

All-time records

Every answer in words

August 2026 brought 0.00 in of precipitation in El Cajon, CA, tying the record for the driest August, set in 2021, 2020, 2019 and 52 other years, in 121 years since 1899 (1900 excluded: 31 of 31 days missing; 1901 excluded: 31 of 31 days missing; 1917 excluded: 30 of 31 days missing; 4 more years excluded for missing days); provisional.
The hottest day of August 2026 in El Cajon, CA: 101°F on Wednesday 26 August 2026 and Sunday 23 August 2026.
The coldest night of August 2026 in El Cajon, CA: a low of 65°F on Tuesday 18 August 2026.