Brandon Iowa Climate Data

Monthly Average Climate Data for Brandon Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.1 °F27.1 °F1.13 in.
February14.1 °F31.5 °F1.23 in.
March25.6 °F44.7 °F2.05 in.
April36.9 °F59.5 °F3.79 in.
May49.0 °F71.0 °F4.77 in.
June59.5 °F80.5 °F5.71 in.
July62.7 °F83.6 °F4.47 in.
August60.1 °F81.8 °F4.3 in.
September51.4 °F75.7 °F3.69 in.
October39.4 °F62.4 °F2.89 in.
November27.4 °F46.1 °F2.09 in.
December16.8 °F32.8 °F1.57 in.
Annual37.8 °F58.1 °F37.69 in.

Climate Data for Brandon Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation