Hailey Idaho Climate Data

Monthly Average Climate Data for Hailey Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.3 °C-0.4 °C52.83 mm
February-10.6 °C2 °C41.15 mm
March-6.1 °C6.9 °C38.86 mm
April-1.9 °C12.6 °C32.26 mm
May2.5 °C17.9 °C45.72 mm
June5.7 °C22.8 °C27.69 mm
July9.5 °C29.2 °C6.86 mm
August8.7 °C28.8 °C6.35 mm
September4.4 °C23.3 °C27.94 mm
October-0.8 °C15.4 °C27.43 mm
November-6.5 °C6.3 °C35.31 mm
December-11.4 °C-0.2 °C64.77 mm
Annual-1.6 °C13.7 °C407.17 mm

Climate Data for Hailey Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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