Idaho City Idaho Climate Data

Monthly Average Climate Data for Idaho City Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F35.8 °F3.09 in.
February19.2 °F42.1 °F1.98 in.
March25.0 °F49.9 °F2.04 in.
April29.8 °F58.1 °F1.65 in.
May37.0 °F67.9 °F1.97 in.
June42.8 °F76.7 °F1.08 in.
July49.1 °F88.6 °F0.32 in.
August47.7 °F87.7 °F0.43 in.
September40.2 °F77.5 °F0.68 in.
October30.7 °F62.5 °F1.51 in.
November23.6 °F45.1 °F2.34 in.
December17.1 °F35.2 °F3.55 in.
Annual31.6 °F60.6 °F20.64 in.

Climate Data for Idaho City 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDsa - Humid Continental Climate - Dry Warm Summer
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