Post Falls Idaho Climate Data

Monthly Average Climate Data for Post Falls Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.8 °F35.9 °F2.65 in.
February24.9 °F40.3 °F1.71 in.
March29.2 °F48.7 °F2.31 in.
April34.4 °F56.8 °F1.68 in.
May42.0 °F66.7 °F2.12 in.
June47.8 °F72.8 °F1.94 in.
July52.8 °F83.6 °F0.53 in.
August52.3 °F84.0 °F0.86 in.
September44.7 °F74.0 °F0.8 in.
October36.2 °F58.6 °F1.77 in.
November29.9 °F43.8 °F3.09 in.
December24.7 °F35.2 °F2.98 in.
Annual37 °F58.4 °F22.44 in.

Climate Data for Post Falls Idaho

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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