Fairfax South Dakota Climate Data

Monthly Average Climate Data for Fairfax South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.7 °F31.3 °F0.44 in.
February14.2 °F35.8 °F0.73 in.
March23.4 °F47.0 °F1.28 in.
April34.3 °F57.5 °F3.26 in.
May45.5 °F69.1 °F4.15 in.
June56.6 °F79.1 °F4.19 in.
July62.4 °F86.3 °F3.21 in.
August60.1 °F84.1 °F3.13 in.
September50.5 °F75.8 °F2.91 in.
October36.9 °F61.4 °F2.07 in.
November24.4 °F46.8 °F0.8 in.
December14.4 °F34.2 °F0.61 in.
Annual36.1 °F59 °F26.78 in.

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 : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com