Startup Washington Climate Data

Monthly Average Climate Data for Startup Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.7 °F46.4 °F8.62 in.
February34.9 °F49.6 °F5.94 in.
March37.1 °F53.8 °F6.47 in.
April40.7 °F59.2 °F5.67 in.
May46.0 °F66.1 °F4.46 in.
June50.3 °F70.0 °F3.75 in.
July53.4 °F77.0 °F1.42 in.
August53.3 °F77.9 °F1.63 in.
September49.4 °F72.0 °F3.35 in.
October43.5 °F61.2 °F6.72 in.
November38.1 °F51.2 °F9.29 in.
December34.5 °F45.5 °F8.09 in.
Annual43 °F60.8 °F65.41 in.

Climate Data for Startup 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate