Harrison Idaho Climate Data

Monthly Average Climate Data for Harrison Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C2.4 °C77.72 mm
February-3.8 °C5 °C54.1 mm
March-1.4 °C9.6 °C61.47 mm
April1.4 °C14.2 °C47.5 mm
May5.4 °C19.5 °C52.83 mm
June8.7 °C22.8 °C41.66 mm
July11.1 °C28.8 °C15.24 mm
August10.6 °C29.1 °C17.53 mm
September6.4 °C23.7 °C22.61 mm
October1.9 °C15.2 °C50.55 mm
November-1.3 °C6.9 °C79.5 mm
December-4.1 °C2 °C90.17 mm
Annual2.6 °C14.9 °C610.88 mm

Climate Data for Harrison 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 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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