Dunkerton Iowa Climate Data

Monthly Average Climate Data for Dunkerton Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.0 °F26.0 °F1.1 in.
February13.0 °F30.3 °F1.17 in.
March24.7 °F43.6 °F2.0 in.
April36.2 °F58.4 °F3.85 in.
May48.5 °F70.2 °F4.82 in.
June59.2 °F79.8 °F5.81 in.
July62.3 °F82.7 °F4.66 in.
August59.6 °F80.7 °F4.22 in.
September50.9 °F74.8 °F3.67 in.
October38.7 °F61.5 °F2.84 in.
November26.5 °F45.1 °F1.97 in.
December15.6 °F31.7 °F1.55 in.
Annual37 °F57.1 °F37.66 in.

Climate Data for Dunkerton 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com