Westfield Iowa Climate Data

Monthly Average Climate Data for Westfield Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.2 °F28.8 °F0.62 in.
February13.3 °F34.0 °F0.75 in.
March24.7 °F46.7 °F1.64 in.
April35.8 °F60.8 °F3.1 in.
May48.2 °F71.9 °F4.07 in.
June59.5 °F82.2 °F4.51 in.
July63.0 °F85.5 °F3.3 in.
August60.5 °F83.4 °F3.29 in.
September51.0 °F76.9 °F2.94 in.
October38.0 °F63.6 °F2.47 in.
November24.9 °F46.9 °F1.31 in.
December14.4 °F33.1 °F0.92 in.
Annual36.9 °F59.5 °F28.92 in.

Climate Data for Westfield Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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