Climate Eureka - California
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 56 | 56 | 57 | 58 | 60 | 62 |
| Average low in ºF Av. low Lo | 41 | 42 | 43 | 44 | 47 | 50 |
| Av. precipitation in inch Av. precip. Pre. | 6.50 | 5.63 | 5.30 | 3.32 | 1.78 | 0.75 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 63 | 64 | 64 | 62 | 58 | 55 |
| Average low in ºF Av. low Lo | 52 | 53 | 50 | 47 | 44 | 41 |
| Av. precipitation in inch Av. precip. Pre. | 0.18 | 0.31 | 0.59 | 2.24 | 5.61 | 8.12 |
What is the average weather in Eureka, California?
Eureka experiences a warm-summer climate with dry summers and wetter winters. Summers are cool and bring little rain, while winters are cool and fairly wet. Frequent rain or drizzle is common during the cooler season, contributing to the area's overall abundant annual precipitation.
Eureka Climate Graph - California Climate Chart
Daily normals Eureka - California - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 54.6 | 40.0 | 0.23 | 0.23 | 0.00 | 0.00 |
| 2 Jan | 54.6 | 40.1 | 0.46 | 0.46 | 0.00 | 0.00 |
| 3 Jan | 54.6 | 40.1 | 0.69 | 0.69 | 0.00 | 0.00 |
| 4 Jan | 54.7 | 40.2 | 0.92 | 0.92 | 0.00 | 0.00 |
| 5 Jan | 54.7 | 40.3 | 1.14 | 1.14 | 0.00 | 0.00 |
| 6 Jan | 54.8 | 40.3 | 1.37 | 1.37 | 0.00 | 0.00 |
| 7 Jan | 54.8 | 40.4 | 1.60 | 1.60 | 0.00 | 0.00 |
| 8 Jan | 54.9 | 40.5 | 1.83 | 1.83 | 0.00 | 0.00 |
| 9 Jan | 54.9 | 40.5 | 2.07 | 2.07 | 0.00 | 0.00 |
| 10 Jan | 54.9 | 40.6 | 2.30 | 2.30 | 0.00 | 0.00 |
| 11 Jan | 55.0 | 40.6 | 2.54 | 2.54 | 0.00 | 0.00 |
| 12 Jan | 55.0 | 40.7 | 2.76 | 2.76 | 0.00 | 0.00 |
| 13 Jan | 55.1 | 40.8 | 2.99 | 2.99 | 0.00 | 0.00 |
| 14 Jan | 55.1 | 40.8 | 3.20 | 3.20 | 0.00 | 0.00 |
| 15 Jan | 55.1 | 40.9 | 3.42 | 3.42 | 0.00 | 0.00 |
| 16 Jan | 55.2 | 40.9 | 3.63 | 3.63 | 0.00 | 0.00 |
| 17 Jan | 55.2 | 41.0 | 3.84 | 3.84 | 0.00 | 0.00 |
| 18 Jan | 55.2 | 41.0 | 4.05 | 4.05 | 0.00 | 0.00 |
| 19 Jan | 55.3 | 41.0 | 4.26 | 4.26 | 0.00 | 0.00 |
| 20 Jan | 55.3 | 41.1 | 4.47 | 4.47 | 0.00 | 0.00 |
| 21 Jan | 55.3 | 41.1 | 4.68 | 4.68 | 0.00 | 0.00 |
| 22 Jan | 55.3 | 41.1 | 4.88 | 4.88 | 0.00 | 0.00 |
| 23 Jan | 55.3 | 41.1 | 5.09 | 5.09 | 0.00 | 0.00 |
| 24 Jan | 55.4 | 41.2 | 5.29 | 5.29 | 0.00 | 0.00 |
| 25 Jan | 55.4 | 41.2 | 5.49 | 5.49 | 0.00 | 0.00 |
| 26 Jan | 55.4 | 41.2 | 5.69 | 5.69 | 0.00 | 0.00 |
| 27 Jan | 55.4 | 41.2 | 5.89 | 5.89 | 0.00 | 0.00 |
| 28 Jan | 55.4 | 41.2 | 6.09 | 6.09 | 0.00 | 0.00 |
| 29 Jan | 55.4 | 41.2 | 6.28 | 6.28 | 0.00 | 0.00 |
| 30 Jan | 55.4 | 41.2 | 6.47 | 6.47 | 0.00 | 0.00 |
| 31 Jan | 55.4 | 41.2 | 6.67 | 6.67 | 0.00 | 0.00 |
Weather history Eureka - September 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Sep | 69.1 | 55.0 | T | 0.00 | 0.0 |
| 02 Sep | 64.9 | 55.9 | 0.33 | 0.00 | 0.0 |
| 03 Sep | 66.9 | 55.0 | 0.00 | 0.00 | 0.0 |
| 04 Sep | 69.1 | 52.0 | 0.00 | - | 0.0 |
| 05 Sep | 63.0 | 51.1 | 0.00 | - | 0.0 |
| 06 Sep | 66.0 | 51.1 | 0.00 | - | 0.0 |
| 07 Sep | 66.0 | 53.1 | 0.00 | - | 0.0 |
| 08 Sep | 71.1 | 48.9 | 0.00 | - | 0.0 |
| 09 Sep | 73.9 | 52.0 | 0.00 | 0.00 | 0.0 |
| 10 Sep | 61.0 | 54.0 | T | - | 0.0 |
| 11 Sep | 64.0 | 52.0 | T | - | 0.0 |
| 12 Sep | 68.0 | 48.9 | 0.00 | - | 0.0 |
| 13 Sep | 68.0 | 50.0 | 0.00 | 0.00 | 0.0 |
| 14 Sep | - | - | - | - | - |
| 15 Sep | 63.0 | 51.1 | 0.00 | - | 0.0 |
| 16 Sep | 63.0 | 55.9 | 0.00 | 0.00 | 0.0 |
| 17 Sep | 68.0 | 55.9 | 0.00 | - | 0.0 |
| 18 Sep | 62.1 | 57.0 | 0.00 | - | - |
| 19 Sep | 60.1 | 54.0 | 0.00 | - | 0.0 |
| 20 Sep | 57.9 | 53.1 | 0.06 | 0.00 | 0.0 |
| 21 Sep | - | - | - | - | - |
| 22 Sep | - | - | - | - | - |
| 23 Sep | - | - | - | - | - |
| 24 Sep | - | - | - | - | - |
| 25 Sep | - | - | - | - | - |
| 26 Sep | - | - | - | - | - |
| 27 Sep | - | - | - | - | - |
| 28 Sep | - | - | - | - | - |
| 29 Sep | - | - | - | - | - |
| 30 Sep | - | - | - | - | - |
Past weather Eureka
| Sep 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 65.5 ºF | 56 ºF | |
| Average low temperature Av. low temp. | 52.9 ºF | 41 ºF | |
| Total precipitation Total precip. | 0.39 inch | 6.50 inch | |
| Total snowfall Total snowfall | 0.00 inch | 0 inch | |
| Highest max temperature Highest max temp. | 73.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 57.9 ºF | - | |
| Highest min temperature Highest min temp. | 57.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 48.9 ºF | - | |
Past weather September 2026 incomplete - Missing data
Geo Eureka - California
| Country | United States | |
|---|---|---|
| State | California | |
| County | Humboldt | |
| City | Eureka | |
| Zip Code | 95501 | |
| Longitude | -124.11 dec. degr. | |
| Latitude | 40.8 dec. degr. | |
| Altitude - Elevation | 7ft | |
| ICAO | - | |
| IATA | - |
Date and Time Eureka - California
| Local Time | 05:07 AM | |
|---|---|---|
| Sunrise | 07:04 AM | |
| Sunset | 07:13 PM | |
| Day/Night | Night | |
| Timezone | Pacific Daylight Time | |
| Timezone DB | America - Los Angeles |
Map of Eureka - California
USGS National Map — Open interactive map
Eureka weather averages
| Annual high temperature | 60ºF |
| Annual low temperature | 46ºF |
| Average annual precip. | 40.33 inch |
Station Data
Monthly averages Eureka
Longitude: -124.113, Latitude: 40.8034
Average weather Eureka, CA - 95501
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...