Chester Iowa Climate Data

Monthly Average Climate Data for Chester Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.2 °F23.2 °F0.85 in.
February10.1 °F27.6 °F0.94 in.
March22.0 °F40.3 °F1.74 in.
April33.9 °F55.5 °F3.74 in.
May46.1 °F67.8 °F4.59 in.
June56.6 °F77.4 °F5.98 in.
July59.9 °F80.8 °F4.3 in.
August57.4 °F78.7 °F4.15 in.
September49.0 °F72.4 °F3.61 in.
October36.8 °F58.9 °F2.69 in.
November24.8 °F42.6 °F1.64 in.
December13.2 °F28.9 °F1.21 in.
Annual34.7 °F54.5 °F35.44 in.

Climate Data for Chester 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 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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