Manly Iowa Climate Data

Monthly Average Climate Data for Manly Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °F23.6 °F0.96 in.
February10.7 °F28.1 °F1.07 in.
March22.9 °F40.6 °F1.96 in.
April34.9 °F56.1 °F3.86 in.
May47.3 °F68.4 °F5.13 in.
June58.1 °F78.3 °F5.43 in.
July61.5 °F81.4 °F4.61 in.
August58.7 °F79.1 °F4.0 in.
September50.0 °F73.0 °F3.41 in.
October37.5 °F59.5 °F2.58 in.
November25.3 °F43.1 °F1.71 in.
December13.8 °F29.4 °F1.32 in.
Annual35.6 °F55.1 °F36.04 in.

Climate Data for Manly 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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