Garden Grove Iowa Climate Data

Monthly Average Climate Data for Garden Grove Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F31.5 °F1.01 in.
February16.8 °F36.4 °F1.4 in.
March27.6 °F49.1 °F2.19 in.
April38.3 °F61.1 °F3.99 in.
May50.1 °F71.0 °F5.44 in.
June60.1 °F80.5 °F5.21 in.
July64.5 °F84.9 °F4.48 in.
August61.9 °F83.2 °F4.39 in.
September52.8 °F76.2 °F3.79 in.
October40.6 °F63.9 °F3.0 in.
November28.7 °F49.0 °F2.03 in.
December18.5 °F36.7 °F1.43 in.
Annual39.4 °F60.3 °F38.36 in.

Climate Data for Garden Grove Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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