Toppenish Washington Climate Data

Monthly Average Climate Data for Toppenish Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.4 °F39.4 °F1.05 in.
February27.1 °F47.2 °F0.72 in.
March32.1 °F56.5 °F0.58 in.
April37.2 °F64.3 °F0.52 in.
May44.9 °F73.4 °F0.76 in.
June50.5 °F79.6 °F0.6 in.
July55.9 °F88.7 °F0.23 in.
August54.3 °F87.6 °F0.2 in.
September46.5 °F79.0 °F0.22 in.
October37.2 °F64.8 °F0.7 in.
November29.3 °F49.5 °F0.91 in.
December24.7 °F38.3 °F1.23 in.
Annual38.8 °F64 °F7.72 in.

Climate Data for Toppenish Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer