Parnell Iowa Climate Data

Monthly Average Climate Data for Parnell Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F29.3 °F1.18 in.
February15.8 °F34.1 °F1.42 in.
March26.9 °F47.1 °F2.19 in.
April37.8 °F60.7 °F3.65 in.
May50.1 °F71.6 °F4.96 in.
June60.5 °F81.0 °F5.03 in.
July63.8 °F84.3 °F4.2 in.
August61.1 °F82.6 °F4.53 in.
September52.1 °F76.4 °F3.46 in.
October40.2 °F63.3 °F2.93 in.
November28.4 °F47.9 °F2.09 in.
December18.1 °F34.7 °F1.64 in.
Annual38.9 °F59.4 °F37.28 in.

Climate Data for Parnell 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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