Get Exclusive App Deals
English
Eureka
Top activities in Eureka
Latest update
Walking around
Eureka Weather and climate
Data source：Meteostat
Update date：2025-09
Eureka year round climate
- Spring (March–May): Average 47–52°F, cool and rainy, especially in March. Common activities: Hiking (bring rain gear), enjoying coastal scenery. Suggested clothing: Waterproof jacket, warm clothing, long pants.
- Summer (June–August): Average 55–60°F, mild and dry. Common activities: Camping, beach activities, exploring Redwood National Park. Suggested clothing: Light and breathable clothing, comfortable shoes.
- Autumn (September–November): Average 54–58°F, comfortable, rainfall gradually increases, especially in November. Common activities: Enjoying autumn scenery, outdoor walks. Suggested clothing: Light jacket, long-sleeved shirt.
- Winter (December–February): Average 46–49°F, cold and humid, heavy rainfall, especially in December. Common activities: Indoor activities, museum visits. Suggested clothing: Thick jacket, warm clothing, waterproof boots.
Eureka climatological average
Annual average temperature: approx. 52.7°F / Annual rainfall: approx. 1087 mm / Summer humidity: 70%–80% / Rainiest month: December
Eureka monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
49.1°F
183
February
46.8°F
128
March
47.7°F
154
April
49.3°F
71.3
May
52.9°F
57
June
55.9°F
21.7
July
58.6°F
7
August
60.1°F
13.5
September
58.3°F
20
October
54.7°F
39.7
November
49.5°F
170
December
49.1°F
222
Eureka weather for the next seven days
10/16
Thursday
Overcast
57°F/49.8°F
10/17
Friday
Sunny
64°F/51.8°F
10/18
Saturday
Partly Cloudy
58.6°F/51.6°F
10/19
Sunday
Moderate rain
56.4°F/50.3°F
10/20
Monday
Patchy rain nearby
57.1°F/47.8°F
10/21
Tuesday
Sunny
58.3°F/46.3°F
10/22
Wednesday
Sunny
61.5°F/48.4°F
