Eureka, CA: July

31 July 2026: July 2026 averaged 59°F in Eureka, CA, the warmest July since 2019, 14th warmest of 140.

July 2026

Mean temperature: 59°F; Warmest since 2019; 14th warmest of 140
Precipitation: 0.02 in; Driest since 2023; 43rd driest of 140

A normal July in Eureka, CA (1991 to 2020): a mean temperature of 57.9°F, between 56.7°F and 60.4°F in eight years of ten and 0.06 in of precipitation, between 0.02 in and 0.55 in in eight years of ten.

The mean temperature of every July in Eureka, CA since 1887: 59°F in 2026; the highest is 61.3°F, in 2007.

Normal range, 56.7 to 60.4°F

Every year, ranked, as a table

Every July in Eureka, CA from 1887 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
2026	59	14	64.3	16	53.6	19	0.02	88
2025	57.3	47	61.7	51	52.9	39	0.05	61
2024	58.6	20	64.5	13	52.7	44	0.05	61
2023	58.5	22	63.7	26	53.4	25	0.02	88
2022	58.5	22	63.5	28	53.5	22	0.76	7
2021	56.6	70	61.1	68	52.2	66	0.21	27
2020	57.2	52	63.1	32	51.3	100	0.03	77
2019	60.4	5	65.6	5	55.2	4	0.00	127
2018	57.4	43	62.9	35	51.9	75	0.03	77
2017	57.7	37	62.7	39	52.7	44	0.07	53
2016	58.1	30	63.2	30	53.1	34	0.54	11
2015	61	2	67	1	55.1	5	0.15	36
2014	58.7	16	63.7	26	53.7	16	0.02	88
2013	56.4	79	61.3	62	51.5	92	0.00	127
2012	57.2	52	61.5	57	52.9	39	0.67	9
2011	57.5	40	62.8	37	52.2	66	0.17	32
2010	55.2	113	60.5	81	50	135	0.04	70
2009	56.7	64	61.5	57	51.8	80	0.06	55
2008	56.8	63	62.3	44	51.4	95	0.02	88
2007	61.3	1	67	1	55.6	1	0.97	4
2006	58.4	26	64	22	52.7	44	0.04	70
2005	58.7	16	64.2	19	53.2	29	0.05	61
2004	60.2	6	66.2	4	54.3	11	0.06	55
2003	58.8	15	64.7	11	52.9	39	0.02	88
2002	58.6	20	64.2	19	53	36	0.03	77
2001	57.4	43	63.1	32	51.7	85	0.20	29
2000	58.7	16	64.1	21	53.3	28	0.04	70
1999	56.5	74	61.4	59	51.6	87	0.04	70
1998	58.5	22	63.5	28	53.5	22	0.16	33
1997	59.5	11	65.3	8	53.7	16	trace	105
1996	57.3	47	63.2	30	51.5	92	0.03	77
1995	60.2	6	65.6	5	54.8	7	0.08	48
1994	57	58	61.8	49	52.3	62	0.08	48
1993	57.4	43	62.8	37	51.9	75	0.37	13
1992	60.5	3	65.6	5	55.5	3	0.25	19
1991	57.3	47	62.1	47	52.5	53	1.13	3
1990	59.8	9	65	10	54.6	9	0.22	25
1989	59.4	13	64.5	13	54.3	11	0.08	48
1988	58.7	16	64.5	13	53	36	0.05	61
1987	59.5	11	64.3	16	54.7	8	0.20	29
1986	57.4	43	64	22	50.8	119	0.02	88
1985	58.5	22	64.6	12	52.5	53	0.15	36
1984	57.6	38	63.8	25	51.4	95	0.03	77
1983	60.5	3	66.6	3	54.4	10	0.89	5
1982	58.2	28	64.3	16	52.2	66	0.08	48
1981	55.1	117	59.8	99	50.5	128	trace	105
1980	57.3	47	61.7	51	52.9	39	trace	105
1979	58.1	30	63	34	53.2	29	0.31	15
1978	55.9	90	60.5	81	51.2	106	0.03	77
1977	55	119	59.8	99	50.3	129	trace	105
1976	57.5	40	62.2	45	52.7	44	0.20	29
1975	56.9	59	61.1	68	52.6	49	0.10	44
1974	57.6	38	62.1	47	53.2	29	0.11	42
1973	55.6	99	59.8	99	51.3	100	trace	105
1972	57.8	35	61.8	49	53.7	16	0.01	99
1971	55.2	113	59.7	103	50.6	125	0.16	33
1970	54.8	125	58.7	126	50.9	114	trace	105
1969	55.6	99	59.4	110	51.8	80	0.05	61
1968	56.3	82	60.5	81	52.1	70	0.04	70
1967	56.5	74	60.4	86	52.5	53	0.00	127
1966	56.6	70	60.8	73	52.4	59	0.25	19
1965	54.8	125	58.7	126	50.8	119	trace	105
1964	56.5	74	60.6	79	52.5	53	0.83	6
1963	57.2	52	61.7	51	52.6	49	0.11	42
1962	53.8	137	57.9	136	49.6	138	trace	105
1961	56.7	64	60.8	73	52.5	53	0.03	77
1960	54.3	134	58.3	130	50.3	129	0.02	88
1959	55.9	90	60.2	89	51.6	87	trace	105
1958	57.5	40	61	71	53.9	14	0.05	61
1957	56.7	64	61	71	52.3	62	0.34	14
1956	55.7	96	59.5	107	51.9	75	0.06	55
1955	55.4	105	59.5	107	51.4	95	0.21	27
1954	55.6	99	59.6	105	51.6	87	0.04	70
1953	55	119	59.3	113	50.8	119	trace	105
1952	55.3	110	59.2	116	51.4	95	trace	105
1951	55.7	96	59.4	110	52.1	70	0.05	61
1950	55.4	105	59.9	95	50.9	114	0.05	61
1949	54.8	125	58.9	123	50.7	124	0.16	33
1948	56.4	79	60.8	73	52	72	0.25	19
1947	60.2	6	65.3	8	55	6	1.20	2
1946	58.3	27	62.9	35	53.6	19	0.12	41
1945	56.2	84	61.4	59	51	112	trace	105
1944	55.2	113	58.8	124	51.5	92	0.10	44
1943	56.9	59	60.6	79	53.1	34	0.04	70
1942	59.8	9	63.9	24	55.6	1	0.07	53
1941	57.8	35	61.7	51	53.8	15	0.06	55
1940	58	32	62.5	41	53.5	22	0.00	127
1939	56.6	70	61.3	62	51.8	80	0.23	23
1938	55.3	110	59.3	113	51.3	100	trace	105
1937	55.9	90	60	92	51.7	85	0.03	77
1936	58	32	62.5	41	53.6	19	0.09	46
1935	55.3	110	59.8	99	50.8	119	0.09	46
1934	57.3	47	61.6	56	52.9	39	trace	105
1933	54.4	132	58.2	131	50.6	125	trace	105
1932	56.1	86	60.4	86	51.9	75	0.14	39
1931	56.6	70	61.2	64	51.9	75	0.01	99
1930	55	119	59	121	51	112	trace	105
1929	57.1	57	61.7	51	52.5	53	trace	105
1928	56.3	82	59.9	95	52.6	49	0.02	88
1927	55.6	99	59.3	113	52	72	0.00	127
1926	56.9	59	61.4	59	52.4	59	0.01	99
1925	56	87	60	92	52	72	trace	105
1924	54.6	129	59.2	116	50	135	0.02	88
1923	58.2	28	62.2	45	54.2	13	0.03	77
1922	55.1	117	58.8	124	51.4	95	0.00	127
1921	53.8	137	57.5	138	50.1	134	0.00	127
1920	56.9	59	61.2	64	52.6	49	0.13	40
1919	54.2	135	58.1	133	50.3	129	0.01	99
1918	55.4	105	59.5	107	51.3	100	0.22	25
1917	54.9	122	59.4	110	50.3	129	0.00	127
1916	56.4	79	60.5	81	52.2	66	1.34	1
1915	56.7	64	60.4	86	53	36	0.26	18
1914	54.1	136	57.9	136	50.3	129	0.01	99
1913	57.2	52	61.2	64	53.2	29	0.28	16
1912	55.2	113	59.1	120	51.2	106	0.05	61
1911	53.7	139	57.5	138	50	135	trace	105
1910	54.6	129	58.4	129	50.9	114	0.00	127
1909	55.7	96	59	121	52.3	62	0.55	10
1908	55.4	105	59.9	95	50.9	114	trace	105
1907	56.5	74	59.6	105	53.4	25	trace	105
1906	55.9	90	59.2	116	52.7	44	0.01	99
1905	56.7	64	60.1	90	53.2	29	0.02	88
1904	54.9	122	58.2	131	51.6	87	0.75	8
1903	54.7	128	58.1	133	51.3	100	0.06	55
1902	56.2	84	60.7	76	51.8	80	0.25	19
1901	55.5	103	59.7	103	51.3	100	0.03	77
1900	56.5	74	60.5	81	52.4	59	trace	105
1899	54.9	122	58.6	128	51.1	111	0.00	127
1898	54.6	129	58	135	51.2	106	0.00	127
1897	55.8	95	60.7	76	50.8	119	0.03	77
1896	57.2	52	62.7	39	51.6	87	0.00	127
1895	56	87	61.2	64	50.9	114	0.23	23
1894	54.4	132	59.2	116	49.6	138	0.02	88
1893	55.9	90	60	92	51.8	80	0.00	127
1892	55.4	105	60.1	90	50.6	125	0.00	127
1891	56	87	60.7	76	51.2	106	0.28	16
1890	56.7	64	61.1	68	52.3	62	0.08	48
1889	55.5	103	59.9	95	51.2	106	0.15	36
1888	58	32	62.5	41	53.4	25	0.44	12
1887	52.5	140	57.1	140	48	140	0.06	55

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2007	61.3
2015	61
1992	60.5
1983	60.5
2019	60.4
2004	60.2
1995	60.2
1947	60.2
1990	59.8
1942	59.8

Coldest
Year	Mean, °F
1887	52.5
1911	53.7
1962	53.8
1921	53.8
1914	54.1
1919	54.2
1960	54.3
1933	54.4
1894	54.4
1924	54.6
More years share the last value

Wettest
Year	Precipitation, in
1916	1.34
1947	1.20
1991	1.13
2007	0.97
1983	0.89
1964	0.83
2022	0.76
1904	0.75
2012	0.67
1909	0.55

Driest
Year	Precipitation, in
2019	0.00
2013	0.00
1967	0.00
1940	0.00
1927	0.00
1922	0.00
1921	0.00
1917	0.00
1910	0.00
1899	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 73°F; 22 July 2026
Coldest night: 51°F; 16 July 2026, 13 July 2026, 12 July 2026
Wettest day: 0.01 in; 29 July 2026, 7 July 2026

Every month, season and year

Months

Seasons

Years

Eureka, CA the day's answers

All-time records

Every answer in words

July 2026 brought 0.02 in of precipitation in Eureka, CA, the driest July since 2023, tied 43rd driest of 140 (with 2023, 2014, 2008 and 7 other years).
The hottest day of July 2026 in Eureka, CA: 73°F on Wednesday 22 July 2026.
The coldest night of July 2026 in Eureka, CA: a low of 51°F on Thursday 16 July 2026, Monday 13 July 2026 and Sunday 12 July 2026.
The wettest day of July 2026 in Eureka, CA: 0.01 in on Wednesday 29 July 2026 and Tuesday 7 July 2026.