Clayton Washington Climate Data

Monthly Average Climate Data for Clayton Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.6 °F34.1 °F3.35 in.
February22.5 °F39.4 °F2.1 in.
March27.3 °F48.4 °F2.74 in.
April32.3 °F56.9 °F1.84 in.
May39.8 °F66.8 °F2.19 in.
June45.4 °F73.2 °F2.07 in.
July49.9 °F83.9 °F0.71 in.
August48.8 °F84.4 °F0.62 in.
September41.7 °F74.0 °F0.82 in.
October33.1 °F58.1 °F2.15 in.
November27.2 °F42.5 °F3.13 in.
December21.8 °F33.5 °F4.03 in.
Annual34.3 °F57.9 °F25.75 in.

Climate Data for Clayton Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer