Troy Idaho Climate Data

Monthly Average Climate Data for Troy Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.0 °F37.1 °F3.4 in.
February26.7 °F41.2 °F3.03 in.
March30.4 °F48.6 °F2.83 in.
April35.2 °F56.8 °F2.81 in.
May41.5 °F66.2 °F2.36 in.
June46.3 °F72.1 °F1.71 in.
July49.7 °F83.6 °F0.64 in.
August49.3 °F84.8 °F0.71 in.
September43.4 °F75.0 °F1.17 in.
October36.7 °F59.6 °F2.63 in.
November30.8 °F44.3 °F3.55 in.
December25.3 °F35.9 °F4.15 in.
Annual36.8 °F58.8 °F28.99 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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