Montpelier Idaho Climate Data

Monthly Average Climate Data for Montpelier Idaho

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.8 °F29.2 °F1.61 in.
February8.3 °F32.3 °F1.36 in.
March17.9 °F41.9 °F1.35 in.
April26.5 °F52.2 °F1.41 in.
May34.4 °F62.4 °F2.09 in.
June41.0 °F72.7 °F1.23 in.
July46.6 °F82.8 °F0.65 in.
August45.9 °F82.2 °F0.82 in.
September36.1 °F72.5 °F1.24 in.
October27.1 °F58.1 °F1.25 in.
November18.2 °F42.3 °F1.19 in.
December9.1 °F30.6 °F1.1 in.
Annual26.5 °F54.9 °F15.3 in.

Climate Data for Montpelier Idaho

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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