Fairfax South Dakota Climate Data

Monthly Average Climate Data for Fairfax South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.8 °C-0.4 °C11.18 mm
February-9.9 °C2.1 °C18.54 mm
March-4.8 °C8.3 °C32.51 mm
April1.3 °C14.2 °C82.8 mm
May7.5 °C20.6 °C105.41 mm
June13.7 °C26.2 °C106.43 mm
July16.9 °C30.2 °C81.53 mm
August15.6 °C28.9 °C79.5 mm
September10.3 °C24.3 °C73.91 mm
October2.7 °C16.3 °C52.58 mm
November-4.2 °C8.2 °C20.32 mm
December-9.8 °C1.2 °C15.49 mm
Annual2.3 °C15 °C680.2 mm

Climate Data for Fairfax South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com