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Eureka Weather Records

Eureka, California weather data and records from 1941–2022 based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
All-Time Recorded High
The highest temperature ever recorded in Eureka, California was 87.1 °F30.6 °C which occurred on September 28, 2020.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Eureka, California was 21.0 °F-6.1 °C which occurred on December 9, 1972.
Lowest Temperatures: All-Time By Year
Eureka Weather by Month
Averages based on the years 1991–2020
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
☀️ Average high (°F°C) 55.613.1 55.913.3 56.513.6 57.814.3 60.215.6 62.416.9 63.617.5 64.718.1 64.418.0 62.116.7 58.314.6 55.112.9 59.715.4
🌙 Average low (°F°C) 41.45.2 41.95.5 42.96.1 44.87.1 48.39.1 50.610.3 52.911.6 53.612.0 51.110.6 47.48.5 43.66.5 40.54.7 46.68.1
☀️ Record high (°F°C) 78.125.6 80.126.7 75.924.4 80.126.7 82.928.3 84.929.4 77.025.0 82.027.8 87.130.6 87.130.6 78.125.6 77.025.0 87.130.6
🌙 Record low (°F°C) 25.0-3.9 27.0-2.8 30.0-1.1 32.00.0 35.11.7 39.94.4 45.07.2 45.07.2 41.05.0 32.00.0 28.9-1.7 21.0-6.1 21.0-6.1
💧 Average precipitation (inchescm) 6.716.9 5.614.3 5.714.6 3.69.2 1.74.2 0.71.8 0.20.5 0.20.5 0.71.7 2.35.9 4.912.4 8.120.5 40.4102.5
💧 Daily % chance precipitation 53.2 53.9 51.7 46.1 30.1 18.4 9.8 11.4 15.7 28.0 47.8 55.2 35.0
❄️ Average snow (inchescm) 0.00.0 0.00.0 0.00.1 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.10.1
More Eureka Weather Records
1941–2022
Highest daily low 63.0 °F17.2 °C January 18, 1981
Lowest daily high 34.0 °F1.1 °C December 21, 1990
Most daily precipitation 6.8 inches17.3 cm December 27, 2002
Most monthly precipitation 23.3 inches59.2 cm December 2002
Most yearly precipitation 67.2 inches170.8 cm 1983
Earliest freeze November 9 2020
Latest freeze March 31 2008
Earliest snow November 19 1977
Latest snow April 2 2003
Most daily snow 2.0 inches5.1 cm February 4, 1989
Most monthly snow 3.5 inches8.9 cm February 1989
Most yearly snow 3.5 inches8.9 cm 1989
Eureka Weather Streaks
Most consecutive days...
With precipitation 26 days Mar 23 – Apr 17, 2006
Without precipitation 77 days Jun 25 – Sep 9, 1967
Eureka Weather by Year
More
Weather Station Details
Years Station Coordinates
1941–2022 Eureka Woodley Island location