Troy Idaho Climate Data

Monthly Average Climate Data for Troy Idaho

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.3 °C2.8 °C86.36 mm
February-2.9 °C5.1 °C76.96 mm
March-0.9 °C9.2 °C71.88 mm
April1.8 °C13.8 °C71.37 mm
May5.3 °C19 °C59.94 mm
June7.9 °C22.3 °C43.43 mm
July9.8 °C28.7 °C16.26 mm
August9.6 °C29.3 °C18.03 mm
September6.3 °C23.9 °C29.72 mm
October2.6 °C15.3 °C66.8 mm
November-0.7 °C6.8 °C90.17 mm
December-3.7 °C2.2 °C105.41 mm
Annual2.7 °C14.9 °C736.33 mm

Climate Data for Troy Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
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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