Greenfield Wisconsin Climate Data

Monthly Average Climate Data for Greenfield Wisconsin

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.3 °C-1.6 °C45.97 mm
February-8.7 °C0.4 °C43.69 mm
March-3.7 °C6.3 °C52.07 mm
April2.1 °C13.1 °C102.11 mm
May8.2 °C19.6 °C106.68 mm
June13.8 °C25.2 °C125.98 mm
July16.7 °C27.8 °C91.69 mm
August15.9 °C27.1 °C96.52 mm
September11.4 °C23.2 °C85.09 mm
October5 °C16.1 °C73.91 mm
November-1.2 °C8.2 °C55.88 mm
December-6.8 °C1.4 °C53.09 mm
Annual3.5 °C13.9 °C932.68 mm

Climate Data for Greenfield Wisconsin

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 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation