Conway Iowa Climate Data

Monthly Average Climate Data for Conway Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.5 °C-0.1 °C22.61 mm
February-8.1 °C2.9 °C32.26 mm
March-2.3 °C9.9 °C56.13 mm
April3.7 °C16.6 °C93.73 mm
May10.3 °C22.1 °C136.91 mm
June15.9 °C27.2 °C137.16 mm
July18.3 °C29.6 °C115.57 mm
August17 °C28.7 °C104.65 mm
September11.9 °C24.8 °C89.66 mm
October5.1 °C18 °C74.68 mm
November-1.6 °C9.7 °C52.32 mm
December-7.4 °C2.7 °C35.81 mm
Annual4.4 °C16 °C951.49 mm

Climate Data for Conway 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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com