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.