Gannett Idaho Climate Data

Monthly Average Climate Data for Gannett Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.9 °F31.8 °F1.65 in.
February14.0 °F36.1 °F1.15 in.
March22.3 °F45.7 °F1.27 in.
April29.5 °F56.3 °F1.09 in.
May37.3 °F66.0 °F1.39 in.
June43.2 °F75.2 °F0.83 in.
July50.4 °F86.7 °F0.28 in.
August49.0 °F85.7 °F0.32 in.
September41.1 °F75.6 °F0.54 in.
October30.8 °F60.9 °F0.99 in.
November21.3 °F44.4 °F1.0 in.
December12.6 °F32.3 °F1.77 in.
Annual30.2 °F58.1 °F12.28 in.

Climate Data for Gannett Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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