Typical Weather in Eureka, CA in May
60° F Avg High
48° F Avg Low
4 Rainy Days
☀️ Temperature Summary
Highs in May are typically around 60°F, which is warmer than usual in Eureka. Lows overnight are typically around 48°F. Daily high temperatures can range between 59°F and 61°F, and typically fall throughout the month.
May is a great time to visit Eureka, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 14% chance of rain for any given day in May. It's one of the drier months of the year for Eureka, with total rainfall for the month around 2 inches.
Rainfall Throughout the Year
Planning a trip to Eureka? Try our free trip weather planner