Climate for Eureka, California

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Average Temperatures for Eureka

Average Temperature for Eureka, California
MonthLowHigh
Jan40.8°F55.0°F
Feb41.8°F55.9°F
Mar42.2°F56.1°F
Apr44.0°F57.4°F
May47.6°F59.6°F
Jun50.7°F61.8°F
Jul52.8°F63.3°F
Aug53.4°F63.9°F
Sept51.2°F63.6°F
Oct47.7°F61.3°F
Nov43.9°F58.0°F
Dec40.6°F55.1°F

Eureka's coldest month is December when the average temperature overnight is 40.6°F. In August, the warmest month, the average day time temperature rises to 63.9°F.

Average Rainfall for Eureka

Average Rainfall for Eureka, California
MonthPrecipitation
Jan5.97in.
Feb5.51in.
Mar5.55in.
Apr2.91in.
May1.62in.
Jun0.65in.
Jul0.16in.
Aug0.38in.
Sept0.86in.
Oct2.36in.
Nov5.78in.
Dec6.35in.

The driest month in Eureka is July with 0.16 inches of precipitation, and with 6.35 inches December is the wettest month.

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