Typical Weather in Eureka, CA in January

56° F Avg High

42° F Avg Low

11 Rainy Days

☀️ Temperature Summary

Highs in January are typically around 56°F, which is cooler than usual in Eureka. Overnight lows can reach 42°F.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 36% chance of rain for any given day in January. It's one of the rainier months of the year for Eureka, with total rainfall for the month around 6 inches.

Rainfall Throughout the Year

Planning a trip to Eureka? Try our free trip weather planner

📍 Nearby Cities in January

59°F / 38°F
42°F / 24°F
38°F / 24°F
47°F / 35°F
42°F / 29°F
41°F / 23°F

📅 Year Round Weather in Eureka

56°F / 42°F
56°F / 42°F
57°F / 43°F
58°F / 45°F
60°F / 48°F
62°F / 51°F
64°F / 53°F
64°F / 53°F
64°F / 51°F
62°F / 48°F
58°F / 44°F
55°F / 41°F
Check Out Another Destination
in