Shelley Idaho Climate Data

Monthly Average Climate Data for Shelley Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.4 °C-1.1 °C22.61 mm
February-8.7 °C1.6 °C15.49 mm
March-3.6 °C8.6 °C23.62 mm
April-0.6 °C14.2 °C26.42 mm
May3.7 °C19.3 °C37.59 mm
June7.2 °C24.1 °C32.77 mm
July10.3 °C29.9 °C12.7 mm
August9.3 °C29.8 °C15.24 mm
September5.2 °C24 °C24.38 mm
October-0.2 °C15.7 °C26.92 mm
November-5.3 °C6.7 °C18.54 mm
December-9.9 °C-0.4 °C19.05 mm
Annual-0.3 °C14.4 °C275.33 mm

Climate Data for Shelley Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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