Arcata California Climate Data

Monthly Average Climate Data for Arcata California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January41.6 °F55.5 °F7.73 in.
February41.8 °F56.1 °F6.1 in.
March42.5 °F56.6 °F6.83 in.
April44.1 °F58.7 °F4.02 in.
May47.3 °F61.1 °F1.7 in.
June49.9 °F63.9 °F0.95 in.
July52.4 °F65.0 °F0.23 in.
August52.8 °F66.1 °F0.24 in.
September50.3 °F67.0 °F0.88 in.
October46.8 °F65.2 °F2.45 in.
November43.8 °F58.5 °F5.65 in.
December41.0 °F55.1 °F9.19 in.
Annual46.2 °F60.7 °F45.97 in.

Climate Data for Arcata California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate