Arlington Heights Washington Climate Data

Monthly Average Climate Data for Arlington Heights Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.3 °F45.4 °F6.19 in.
February33.2 °F48.3 °F4.55 in.
March35.8 °F52.4 °F5.43 in.
April40.0 °F58.2 °F4.18 in.
May45.5 °F64.8 °F3.15 in.
June49.6 °F68.6 °F2.57 in.
July53.0 °F75.1 °F1.18 in.
August53.2 °F76.0 °F1.24 in.
September48.8 °F70.6 °F2.54 in.
October42.2 °F59.7 °F5.31 in.
November36.7 °F50.1 °F6.67 in.
December33.1 °F44.4 °F6.48 in.
Annual42 °F59.5 °F49.49 in.

Climate Data for Arlington Heights Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate