Chico Washington Climate Data

Monthly Average Climate Data for Chico Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.1 °F47.3 °F7.72 in.
February35.9 °F49.8 °F4.7 in.
March38.2 °F53.9 °F5.27 in.
April41.4 °F59.4 °F3.38 in.
May46.8 °F66.3 °F2.11 in.
June51.1 °F70.3 °F1.59 in.
July54.6 °F76.7 °F0.83 in.
August54.8 °F77.3 °F1.04 in.
September51.1 °F71.9 °F1.85 in.
October45.1 °F60.9 °F4.68 in.
November39.3 °F51.7 °F7.79 in.
December35.9 °F46.4 °F8.43 in.
Annual44.2 °F61 °F49.39 in.

Climate Data for Chico Washington

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate