Long Grove Iowa Climate Data

Monthly Average Climate Data for Long Grove Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.1 °F29.3 °F1.46 in.
February16.6 °F33.7 °F1.88 in.
March27.5 °F46.7 °F2.55 in.
April38.7 °F60.4 °F3.91 in.
May50.6 °F71.5 °F4.94 in.
June60.7 °F80.5 °F4.9 in.
July64.2 °F83.5 °F4.29 in.
August61.9 °F81.7 °F4.1 in.
September53.7 °F76.4 °F3.61 in.
October41.8 °F62.9 °F2.84 in.
November29.8 °F48.0 °F2.24 in.
December19.3 °F34.8 °F2.0 in.
Annual39.8 °F59.1 °F38.72 in.

Climate Data for Long Grove Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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