Eureka Weather in June

The climate in Eureka during June can be summarized as hot and wet.

June is in the summer in Eureka and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (85°F), whilst at night 17°C (63°F) is normal.

On average June is the wettest month of the year in Eureka with around 140mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.6 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Eureka in June 2025.