Fairfield Iowa Climate Data

Monthly Average Climate Data for Fairfield Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.6 °C-0.2 °C37.08 mm
February-7.7 °C2.3 °C43.43 mm
March-1.7 °C9.6 °C58.42 mm
April4.4 °C17 °C95.76 mm
May10.9 °C22.6 °C137.41 mm
June16.5 °C27.8 °C128.52 mm
July18.5 °C29.9 °C104.9 mm
August17.1 °C28.9 °C101.35 mm
September12.2 °C25.3 °C91.95 mm
October5.7 °C18.2 °C74.42 mm
November-0.7 °C9.7 °C58.42 mm
December-6.3 °C2.6 °C43.69 mm
Annual4.9 °C16.1 °C975.35 mm

Climate Data for Fairfield Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com