Saylorville Iowa Climate Data

Monthly Average Climate Data for Saylorville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F30.4 °F0.96 in.
February16.7 °F35.0 °F1.14 in.
March27.8 °F47.9 °F2.1 in.
April39.2 °F61.9 °F3.84 in.
May51.2 °F72.3 °F5.03 in.
June61.5 °F81.9 °F5.36 in.
July65.3 °F85.8 °F4.28 in.
August62.7 °F83.9 °F4.2 in.
September54.0 °F77.6 °F3.36 in.
October41.6 °F64.2 °F2.64 in.
November29.4 °F48.9 °F1.82 in.
December18.7 °F35.7 °F1.36 in.
Annual40.1 °F60.5 °F36.09 in.

Climate Data for Saylorville Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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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