Montpelier Iowa Climate Data

Monthly Average Climate Data for Montpelier Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.8 °F30.8 °F1.44 in.
February18.3 °F35.3 °F1.71 in.
March29.1 °F48.2 °F2.44 in.
April40.3 °F61.7 °F3.69 in.
May52.2 °F72.7 °F4.87 in.
June62.1 °F82.0 °F4.96 in.
July65.7 °F85.2 °F4.15 in.
August63.4 °F83.3 °F4.0 in.
September55.3 °F77.4 °F3.57 in.
October43.3 °F64.5 °F2.86 in.
November31.4 °F49.3 °F2.24 in.
December20.9 °F36.2 °F1.91 in.
Annual41.4 °F60.6 °F37.84 in.

Climate Data for Montpelier Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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