Glenns Ferry Idaho Climate Data

Monthly Average Climate Data for Glenns Ferry Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.7 °F40.8 °F1.64 in.
February25.8 °F47.7 °F0.68 in.
March31.2 °F57.5 °F0.86 in.
April35.9 °F65.1 °F0.74 in.
May44.0 °F75.2 °F0.92 in.
June50.5 °F84.6 °F0.54 in.
July57.2 °F96.1 °F0.17 in.
August54.7 °F94.3 °F0.23 in.
September45.5 °F83.5 °F0.26 in.
October35.2 °F68.4 °F0.69 in.
November27.6 °F51.9 °F0.91 in.
December22.9 °F40.7 °F1.68 in.
Annual37.9 °F67.2 °F9.32 in.

Climate Data for Glenns Ferry Idaho

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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