Earlville Iowa Climate Data

Monthly Average Climate Data for Earlville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.4 °F25.9 °F1.24 in.
February12.2 °F30.4 °F1.34 in.
March24.0 °F43.5 °F2.14 in.
April35.2 °F57.5 °F3.94 in.
May47.0 °F69.1 °F4.71 in.
June57.5 °F78.8 °F5.91 in.
July60.9 °F81.8 °F4.77 in.
August58.4 °F80.0 °F4.36 in.
September49.6 °F73.7 °F3.83 in.
October37.7 °F60.6 °F3.03 in.
November26.0 °F44.9 °F2.27 in.
December15.4 °F31.8 °F1.67 in.
Annual36 °F56.5 °F39.21 in.

Climate Data for Earlville Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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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