Pomeroy Washington Climate Data

Monthly Average Climate Data for Pomeroy Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.6 °C4.4 °C56.39 mm
February-1.9 °C6.7 °C41.4 mm
March0.4 °C10.9 °C49.78 mm
April3 °C15.1 °C41.15 mm
May6.5 °C20 °C40.39 mm
June9.4 °C23.8 °C32.51 mm
July12.1 °C30 °C10.92 mm
August12.2 °C30.3 °C11.43 mm
September8.2 °C25 °C14.73 mm
October3.5 °C16.7 °C29.72 mm
November-0.1 °C8.6 °C55.88 mm
December-3 °C3.7 °C56.39 mm
Annual4 °C16.3 °C440.69 mm

Climate Data for Pomeroy Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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