Franklin Idaho Climate Data

Monthly Average Climate Data for Franklin Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C0.2 °C45.72 mm
February-8.1 °C2.9 °C38.61 mm
March-2.8 °C9.6 °C41.91 mm
April0.6 °C14.7 °C49.28 mm
May4.5 °C20.1 °C59.69 mm
June8 °C26.2 °C31.24 mm
July11.7 °C31.8 °C18.54 mm
August10.8 °C31.2 °C19.05 mm
September6.1 °C25.4 °C34.04 mm
October0.4 °C17.1 °C39.37 mm
November-4.4 °C8.2 °C31.75 mm
December-9.1 °C0.9 °C36.07 mm
Annual0.6 °C15.7 °C445.27 mm

Climate Data for Franklin Idaho

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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