Dyersville Iowa Climate Data

Monthly Average Climate Data for Dyersville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.1 °F26.4 °F1.24 in.
February12.8 °F30.9 °F1.39 in.
March24.5 °F44.0 °F2.13 in.
April35.5 °F57.9 °F3.87 in.
May47.3 °F69.5 °F4.58 in.
June57.7 °F79.0 °F5.84 in.
July61.1 °F82.1 °F4.77 in.
August58.8 °F80.4 °F4.25 in.
September49.9 °F73.8 °F3.76 in.
October38.1 °F60.8 °F3.02 in.
November26.5 °F45.2 °F2.24 in.
December15.9 °F32.2 °F1.68 in.
Annual36.4 °F56.9 °F38.77 in.

Climate Data for Dyersville Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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