Post Falls Idaho Climate Data

Monthly Average Climate Data for Post Falls Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C2.2 °C67.31 mm
February-3.9 °C4.6 °C43.43 mm
March-1.6 °C9.3 °C58.67 mm
April1.3 °C13.8 °C42.67 mm
May5.6 °C19.3 °C53.85 mm
June8.8 °C22.7 °C49.28 mm
July11.6 °C28.7 °C13.46 mm
August11.3 °C28.9 °C21.84 mm
September7.1 °C23.3 °C20.32 mm
October2.3 °C14.8 °C44.96 mm
November-1.2 °C6.6 °C78.49 mm
December-4.1 °C1.8 °C75.69 mm
Annual2.8 °C14.7 °C569.97 mm

Climate Data for Post Falls Idaho

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer