Shelley Idaho Climate Data

Monthly Average Climate Data for Shelley Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.3 °F30.1 °F0.89 in.
February16.4 °F34.9 °F0.61 in.
March25.6 °F47.5 °F0.93 in.
April31.0 °F57.5 °F1.04 in.
May38.6 °F66.7 °F1.48 in.
June45.0 °F75.3 °F1.29 in.
July50.5 °F85.8 °F0.5 in.
August48.8 °F85.7 °F0.6 in.
September41.4 °F75.2 °F0.96 in.
October31.7 °F60.3 °F1.06 in.
November22.4 °F44.0 °F0.73 in.
December14.2 °F31.3 °F0.75 in.
Annual31.6 °F57.9 °F10.84 in.

Climate Data for Shelley Idaho

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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