Clermont Iowa Climate Data

Monthly Average Climate Data for Clermont Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.1 °F26.3 °F1.11 in.
February12.8 °F30.7 °F1.17 in.
March24.6 °F43.7 °F2.09 in.
April35.9 °F58.2 °F3.99 in.
May47.6 °F69.9 °F4.83 in.
June57.9 °F79.4 °F5.82 in.
July61.7 °F82.7 °F4.66 in.
August59.4 °F80.9 °F4.15 in.
September50.9 °F74.3 °F3.79 in.
October38.8 °F61.3 °F2.85 in.
November26.8 °F45.0 °F2.01 in.
December16.1 °F31.9 °F1.51 in.
Annual36.8 °F57 °F37.98 in.

Climate Data for Clermont Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year