Bernard Iowa Climate Data

Monthly Average Climate Data for Bernard Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.0 °F26.8 °F1.27 in.
February13.7 °F31.2 °F1.51 in.
March25.2 °F44.3 °F2.18 in.
April36.1 °F58.2 °F3.81 in.
May48.0 °F69.6 °F4.48 in.
June58.3 °F79.1 °F5.84 in.
July61.7 °F82.2 °F4.7 in.
August59.4 °F80.5 °F4.33 in.
September50.6 °F73.9 °F3.74 in.
October38.8 °F61.0 °F3.01 in.
November27.2 °F45.5 °F2.28 in.
December16.8 °F32.6 °F1.73 in.
Annual37.2 °F57.1 °F38.88 in.

Climate Data for Bernard Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 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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