Eureka May 21 Weather Records

Daily averages and all-time records for weather in Eureka, California for the date of May 21.

May 21 All-Time Records
1941–2024

76 °F

42 °F

51 °F

Highest daily low

55 °F

0.90 inches

Most snow

none

May 21 Average Weather
1991–2020 ¹

Average high

60.5 °F

Average low

48.9 °F

Chance precipitation

29.3%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	62	52	0.01
2022	58	45	0.00
2021	57	44	0.00
2020	62	49	0.00
2019	58	50	0.70
2018	59	51	0.00
2017	58	50	0.00
2016	60	51	0.26
2015	61	52	0.00
2014	62	53	0.00
2013	55	46	0.06
2012	64	49	0.05
2011	59	46	0.00
2010	56	42	0.33
2009	57	49	0.00
2008	56	48	0.00
2007	59	47	0.00
2006	66	53	0.07
2005	66	47	0.01
2004	63	54	0.00
2003	61	49	0.00
2002	60	45	0.00
2001	76	48	0.00
2000	65	49	0.00
1999	58	46	0.00
1998	59	44	0.00
1997	61	47	0.00
1996	63	51	0.52
1995	56	50	0.01
1994	60	53	0.00
1993	65	54	0.07
1992	61	45	0.00
1991	58	49	0.00
1990	68	52	0.90
1989	60	46	0.00
1988	73	54	0.00
1987	57	51	0.00
1986	59	46	0.12
1985	65	47	0.00
1984	59	47	0.00
1983	61	49	0.00
1982	58	48	0.00
1981	58	50	0.00
1980	60	50	0.00
1979	60	51	0.00
1978	55	48	0.02
1977	57	49	0.00
1976	55	45	0.00
1975	55	43	0.00
1974	58	48	0.00
1973	55	45	0.00
1972	55	49	0.24
1971	52	46	0.00
1970	57	49	0.00
1969	56	50	0.00
1968	59	52	0.11
1967	56	49	0.00
1966	55	48	0.02
1965	54	50	0.00
1964	54	49	0.00
1963	58	53	0.00
1962	54	48	0.00
1961	55	51	0.00
1960	52	42	0.23
1959	56	49	0.00
1958	58	54	0.00
1957	58	47	0.00
1956	59	52	0.00
1955	53	47	0.00
1954	55	47	0.00
1953	57	44	0.10
1952	57	50	0.00
1951	54	47	0.00
1950	58	46	0.00
1949	60	50	0.00
1948	58	46	0.00
1947	61	50	0.00
1946	51	49	0.48
1945	59	50	0.00
1944	55	50	0.00
1943	55	50	0.00
1942	59	55	0.00

What's the all-time high for Eureka on 5/21?

For the date of May 21, the highest temperature ever reached in Eureka history is 76 °F which happened in 2001.

Highest Temperatures in Eureka on May 21

What's the all-time low for Eureka on 5/21?

For the date of May 21, the lowest temperature ever reached in Eureka history is 42 °F which has happened 2 times, most recently in 2010.

Lowest Temperatures in Eureka on May 21

Lowest High Temperatures in Eureka on May 21

What's the most it has ever rained in Eureka on 5/21?

For the date of May 21, the most precipitation ever recorded in Eureka history is 0.90 inches which happened in 1990.

All-Time Most Precipitation in Eureka on May 21

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location