Bloomfield Iowa Climate Data

Monthly Average Climate Data for Bloomfield Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F32.2 °F1.23 in.
February18.1 °F36.8 °F1.6 in.
March29.0 °F49.7 °F2.27 in.
April39.9 °F62.2 °F3.83 in.
May51.5 °F72.1 °F5.59 in.
June61.4 °F81.3 °F5.56 in.
July65.3 °F85.4 °F4.51 in.
August63.0 °F84.0 °F4.12 in.
September54.1 °F76.9 °F3.86 in.
October42.4 °F64.6 °F2.81 in.
November30.3 °F49.5 °F2.25 in.
December20.4 °F37.0 °F1.47 in.
Annual40.8 °F61 °F39.1 in.

Climate Data for Bloomfield 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 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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