Eureka December 21 Weather Records

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

December 21 All-Time Records
1941–2024

65 °F

23 °F

34 °F

Highest daily low

59 °F

2.15 inches

Most snow

none

December 21 Average Weather
1991–2020 ¹

Average high

54.9 °F

Average low

40.3 °F

Chance precipitation

54.7%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)
2023	52	46	0.00
2022	54	47	0.01
2021	59	46	0.29
2020	60	43	0.43
2019	63	49	1.44
2018	53	37	0.00
2017	49	30	0.00
2016	60	36	0.00
2015	56	48	1.67
2014	59	57	0.92
2013	49	42	0.04
2012	53	45	1.09
2011	51	33	0.00
2010	55	44	0.97
2009	54	41	1.00
2008	55	44	0.31
2007	46	30	0.00
2006	54	42	0.77
2005	64	56	0.48
2004	55	35	0.00
2003	58	40	0.00
2002	55	40	0.44
2001	55	35	0.06
2000	58	39	0.29
1999	61	38	0.00
1998	41	23	0.00
1997	51	34	0.00
1996	48	41	1.27
1995	58	37	0.00
1994	58	42	0.00
1993	53	37	0.00
1992	54	41	0.06
1991	54	39	0.00
1990	34	23	0.00
1989	55	41	0.00
1988	52	43	0.63
1987	55	50	0.11
1986	64	44	0.00
1985	55	36	0.00
1984	55	42	0.01
1983	44	34	0.11
1982	57	43	0.47
1981	54	46	0.11
1980	63	53	0.29
1979	56	43	0.40
1978	52	37	0.00
1977	62	48	0.91
1976	50	40	0.00
1975	57	43	0.17
1974	56	41	0.46
1973	57	48	0.37
1972	65	54	0.46
1971	53	44	0.16
1970	50	41	0.00
1969	62	45	1.35
1968	47	29	0.00
1967	53	39	0.00
1966	55	38	0.00
1965	50	39	0.12
1964	62	54	2.15
1963	54	42	0.00
1962	49	44	0.00
1961	52	41	0.00
1960	52	42	0.00
1959	54	44	0.00
1958	56	44	0.00
1957	55	43	1.17
1956	48	37	0.02
1955	65	59	0.96
1954	56	42	0.00
1953	52	36	0.00
1952	56	43	0.03
1951	55	35	0.02
1950	59	45	0.00
1949	51	33	0.00
1948	46	35	0.00
1947	55	41	0.31
1946	52	41	0.00
1945	64	51	0.94
1944	64	51	0.36
1943	50	45	0.00
1942	54	43	0.11
1941	51	39	0.16

What's the all-time high for Eureka on 12/21?

For the date of Dec 21, the highest temperature ever reached in Eureka history is 65 °F which has happened 2 times, most recently in 1972.

Highest Temperatures in Eureka on December 21

What's the all-time low for Eureka on 12/21?

For the date of Dec 21, the lowest temperature ever reached in Eureka history is 23 °F which has happened 2 times, most recently in 1998.

Lowest Temperatures in Eureka on December 21

Lowest High Temperatures in Eureka on December 21

What's the most it has ever rained in Eureka on 12/21?

For the date of Dec 21, the most precipitation ever recorded in Eureka history is 2.15 inches which happened in 1964.

All-Time Most Precipitation in Eureka on December 21

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location