Atomic City Idaho Climate Data

Monthly Average Climate Data for Atomic City Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.6 °F27.4 °F0.55 in.
February10.2 °F31.9 °F0.43 in.
March20.3 °F44.7 °F0.64 in.
April27.3 °F56.3 °F0.78 in.
May35.5 °F66.0 °F1.44 in.
June42.2 °F76.4 °F0.88 in.
July49.1 °F88.0 °F0.45 in.
August47.3 °F86.4 °F0.53 in.
September38.3 °F75.3 °F0.67 in.
October27.8 °F59.5 °F0.86 in.
November17.1 °F42.7 °F0.46 in.
December8.0 °F29.2 °F0.57 in.
Annual27.5 °F57 °F8.26 in.

Climate Data for Atomic City Idaho

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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