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Eureka January Weather

Averages and records for weather in Eureka, California in the month of January.

Typical Eureka January Weather 1991–2020
Average daily high	55.6 °F
Average daily low	41.4 °F
Average monthly precipitation	6.7 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	53.2%
Daily chance of snow	0.22%

Eureka January Weather Records 1941–2024
Highest temperature	78 °F	January 12, 1986
Lowest temperature	25 °F	January 13, 2007
Highest daily low	63 °F	January 18, 1981
Lowest daily high	38 °F	January 26, 1972
Hottest average high temperature	61.4 °F	1986
Coldest average high temperature	47.6 °F	1949
Most daily precipitation	3.7 inches	January 17, 1953
Most monthly precipitation	13.9 inches	1969
Most daily snow	1.5 inches	January 2, 1950
Most monthly snow	2.8 inches	1950

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
January 1	54.9	40.5	64	28
January 2	55.0	40.6	65	29
January 3	55.0	40.6	66	26
January 4	55.1	40.6	67	29
January 5	55.1	40.7	72	29
January 6	55.2	40.8	69	28
January 7	55.2	40.9	70	30
January 8	55.2	41.0	75	31
January 9	55.3	41.0	66	31
January 10	55.3	41.1	66	28
January 11	55.4	41.2	71	27
January 12	55.4	41.2	78	28
January 13	55.5	41.2	71	25
January 14	55.5	41.3	65	27
January 15	55.5	41.4	70	28
January 16	55.6	41.4	70	30
January 17	55.6	41.5	67	30
January 18	55.7	41.6	73	26
January 19	55.8	41.7	70	31
January 20	55.9	41.8	69	29
January 21	56.0	41.8	75	28
January 22	56.0	41.8	71	29
January 23	56.0	41.9	70	29
January 24	56.1	41.9	72	28
January 25	56.2	41.9	66	28
January 26	56.2	41.8	67	30
January 27	56.2	41.8	69	28
January 28	56.2	41.8	69	29
January 29	56.3	41.9	69	26
January 30	56.3	42.0	71	27
January 31	56.3	42.0	68	28

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location