Manchester Washington Climate Data

Monthly Average Climate Data for Manchester Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.3 °F47.5 °F7.34 in.
February37.3 °F50.0 °F3.82 in.
March39.5 °F54.1 °F4.76 in.
April42.5 °F59.2 °F2.98 in.
May47.7 °F65.8 °F1.94 in.
June52.1 °F69.9 °F1.62 in.
July55.4 °F76.2 °F0.9 in.
August55.7 °F77.0 °F0.97 in.
September52.3 °F71.4 °F1.64 in.
October46.5 °F60.7 °F4.25 in.
November40.7 °F52.0 °F6.6 in.
December37.0 °F46.7 °F7.04 in.
Annual45.3 °F60.9 °F43.86 in.

Climate Data for Manchester Washington

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 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