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Eureka July Weather

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

Typical Eureka July Weather 1991–2020
Average daily high	63.6 °F
Average daily low	52.9 °F
Average monthly precipitation	0.2 inches
Average monthly snow	none
Daily chance of precipitation	9.8%
Daily chance of snow	0%

Eureka July Weather Records 1941–2024
Highest temperature	77 °F	July 28, 2015
Lowest temperature	45 °F	July 3, 2018
Highest daily low	62 °F	July 21, 2007
Lowest daily high	53 °F	July 3, 1965
Hottest average high temperature	67.0 °F	2007
Coldest average high temperature	57.9 °F	1962
Most daily precipitation	1.0 inches	July 26, 1947
Most monthly precipitation	1.2 inches	1947
Most daily snow	none	-
Most monthly snow	none	-

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
July 1	63.2	51.9	73	46
July 2	63.3	52.0	71	47
July 3	63.3	52.1	76	45
July 4	63.4	52.2	72	46
July 5	63.5	52.3	70	46
July 6	63.6	52.4	73	47
July 7	63.6	52.5	70	47
July 8	63.7	52.6	75	47
July 9	63.7	52.7	76	48
July 10	63.7	52.8	71	47
July 11	63.6	52.8	74	46
July 12	63.6	52.8	74	48
July 13	63.6	52.9	73	47
July 14	63.5	52.9	71	47
July 15	63.6	52.9	70	47
July 16	63.6	52.9	72	48
July 17	63.6	52.9	71	46
July 18	63.6	53.0	75	47
July 19	63.7	53.0	73	46
July 20	63.7	53.1	71	48
July 21	63.7	53.1	74	47
July 22	63.7	53.2	73	47
July 23	63.7	53.2	72	49
July 24	63.8	53.3	69	48
July 25	63.9	53.3	70	46
July 26	63.9	53.3	70	47
July 27	63.9	53.4	70	48
July 28	64.0	53.4	77	48
July 29	64.0	53.4	75	49
July 30	64.0	53.4	69	48
July 31	64.0	53.4	74	49

Weather Station Details

Years	Station	Coordinates
1941–2024	Eureka Woodley Island	location