Gladbrook Iowa Climate Data

Monthly Average Climate Data for Gladbrook Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.3 °F27.1 °F1.02 in.
February14.1 °F31.9 °F1.16 in.
March25.4 °F45.0 °F2.08 in.
April36.7 °F59.4 °F3.73 in.
May49.3 °F70.7 °F4.95 in.
June60.0 °F80.3 °F5.57 in.
July63.2 °F83.5 °F4.28 in.
August60.4 °F81.5 °F4.23 in.
September51.5 °F75.5 °F3.42 in.
October39.4 °F62.2 °F2.67 in.
November27.2 °F46.2 °F2.01 in.
December16.6 °F33.0 °F1.5 in.
Annual37.8 °F58 °F36.62 in.

Climate Data for Gladbrook 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 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