Mount Ayr Iowa Climate Data

Monthly Average Climate Data for Mount Ayr Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.7 °F31.5 °F0.8 in.
February16.9 °F36.6 °F1.28 in.
March27.5 °F49.2 °F2.2 in.
April38.5 °F61.1 °F3.73 in.
May50.3 °F70.9 °F5.57 in.
June60.3 °F80.3 °F5.31 in.
July64.5 °F84.7 °F4.5 in.
August62.1 °F83.1 °F4.46 in.
September53.2 °F75.9 °F3.79 in.
October40.8 °F63.7 °F3.02 in.
November28.7 °F48.9 °F2.11 in.
December18.4 °F36.4 °F1.4 in.
Annual39.5 °F60.2 °F38.17 in.

Climate Data for Mount Ayr 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 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com