Bonners Ferry Idaho Climate Data

Monthly Average Climate Data for Bonners Ferry Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5 °C1.1 °C71.88 mm
February-4.7 °C3.5 °C43.18 mm
March-1.8 °C8.8 °C54.61 mm
April1.3 °C14.4 °C36.07 mm
May5.4 °C19.9 °C46.23 mm
June8.9 °C23 °C45.72 mm
July11.3 °C28.4 °C15.75 mm
August10.5 °C28.7 °C14.99 mm
September6.6 °C22.6 °C24.38 mm
October1.8 °C13.2 °C49.53 mm
November-1.6 °C5.4 °C57.66 mm
December-4.7 °C0.8 °C77.47 mm
Annual2.3 °C14.2 °C537.47 mm

Climate Data for Bonners Ferry 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 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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