Amboy Washington Climate Data

Monthly Average Climate Data for Amboy Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.3 °F45.0 °F9.29 in.
February33.4 °F49.0 °F6.89 in.
March36.3 °F53.9 °F7.29 in.
April39.8 °F59.1 °F5.53 in.
May45.4 °F67.5 °F3.84 in.
June49.2 °F70.7 °F2.69 in.
July53.1 °F78.5 °F0.73 in.
August53.0 °F79.6 °F0.98 in.
September49.2 °F74.4 °F2.64 in.
October42.5 °F62.6 °F5.96 in.
November37.2 °F51.5 °F9.43 in.
December33.2 °F44.3 °F10.13 in.
Annual42.1 °F61.3 °F65.4 in.

Climate Data for Amboy Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate