McGregor Iowa Climate Data

Monthly Average Climate Data for McGregor Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.5 °F26.9 °F1.22 in.
February13.1 °F31.5 °F1.23 in.
March24.7 °F44.1 °F2.01 in.
April36.1 °F58.0 °F3.98 in.
May47.7 °F69.7 °F4.72 in.
June58.1 °F79.2 °F5.82 in.
July62.1 °F82.7 °F4.27 in.
August59.8 °F80.9 °F4.12 in.
September51.4 °F74.1 °F3.92 in.
October39.3 °F61.1 °F2.78 in.
November27.4 °F45.2 °F2.07 in.
December16.7 °F32.5 °F1.55 in.
Annual37.2 °F57.2 °F37.69 in.

Climate Data for McGregor Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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