Average May Temperature in Eureka by Year

This page contains a list of the average monthly high and low temperatures in Eureka, California for the month of May each year between 1942 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Eureka?

1993 was the warmest May in the history of Eureka, California. The average daily high temperature was 64.2 °F, and the average low was 51.6 °F.

What Was the Coldest May Ever in Eureka?

1950 was the coolest May in the history of Eureka, California. The average daily high temperature was 54.2 °F, and the average low was 45.1 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	36	58.3	48.4
2022	48	58.6	46.8
2021	62	57.9	46.2
2020	10	61.9	49.4
2019	33	58.7	48.4
2018	21	58.9	49.2
2017	40	58.3	48.2
2016	13	60.8	49.7
2015	37	58.0	48.8
2014	6	62.5	50.7
2013	18	60.6	47.8
2012	67	57.9	45.6
2011	71	57.1	45.7
2010	64	58.1	45.7
2009	34	58.8	48.1
2008	32	59.6	47.5
2007	49	58.8	46.6
2006	19	60.8	47.5
2005	3	63.2	51.1
2004	4	63.2	50.2
2003	20	60.4	47.8
2002	56	58.8	45.7
2001	24	61.4	46.4
2000	12	61.5	49.0
1999	73	57.2	45.2
1998	25	60.1	47.7
1997	2	65.1	50.6
1996	30	60.3	47.1
1995	29	58.2	49.1
1994	11	60.7	50.3
1993	1	64.2	51.6
1992	5	62.5	50.9
1991	59	57.1	47.2
1990	22	59.5	48.5
1989	9	61.1	50.6
1988	8	62.5	50.0
1987	7	61.9	51.2
1986	27	60.5	47.3
1985	28	61.2	46.5
1984	15	62.0	47.9
1983	17	60.6	48.2
1982	46	59.3	46.1
1981	41	58.4	48.1
1980	54	57.1	47.5
1979	47	58.5	46.9
1978	42	59.5	47.0
1977	70	57.3	45.6
1976	76	56.5	45.7
1975	72	56.3	46.3
1974	75	55.6	46.5
1973	63	56.6	47.4
1972	74	55.5	46.8
1971	77	54.5	46.7
1970	55	57.3	47.2
1969	35	57.8	49.0
1968	52	56.9	47.8
1967	66	56.6	47.1
1966	78	54.6	46.2
1965	81	53.9	45.8
1964	79	54.6	46.1
1963	26	58.2	49.6
1962	57	56.7	47.8
1961	51	56.9	48.1
1960	39	58.3	48.3
1959	58	57.6	46.9
1958	14	59.9	50.4
1957	16	59.4	50.1
1956	43	58.0	48.4
1955	80	54.4	45.9
1954	69	56.4	46.5
1953	61	57.8	46.3
1952	50	57.8	47.4
1951	45	58.0	47.8
1950	82	54.2	45.1
1949	31	58.3	48.9
1948	60	56.9	47.2
1947	23	59.5	48.3
1946	53	56.8	47.9
1945	38	57.5	49.1
1944	65	56.2	47.5
1943	68	55.7	47.7
1942	44	58.1	48.1

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location