Franklin Idaho Climate Data

Monthly Average Climate Data for Franklin Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.8 °F32.4 °F1.8 in.
February17.5 °F37.2 °F1.52 in.
March27.0 °F49.3 °F1.65 in.
April33.0 °F58.4 °F1.94 in.
May40.1 °F68.1 °F2.35 in.
June46.4 °F79.1 °F1.23 in.
July53.1 °F89.3 °F0.73 in.
August51.4 °F88.1 °F0.75 in.
September42.9 °F77.7 °F1.34 in.
October32.7 °F62.7 °F1.55 in.
November24.1 °F46.7 °F1.25 in.
December15.6 °F33.6 °F1.42 in.
Annual33.1 °F60.2 °F17.53 in.

Climate Data for Franklin Idaho

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 11 - May 20
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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