Green Valley South Dakota Climate Data

Monthly Average Climate Data for Green Valley South Dakota

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.9 °C2.3 °C8.38 mm
February-8.9 °C3.3 °C12.45 mm
March-4.3 °C8.8 °C24.38 mm
April0.6 °C13.3 °C52.07 mm
May6.6 °C18.6 °C95 mm
June12.2 °C25 °C76.2 mm
July15.8 °C29.8 °C55.12 mm
August14.7 °C29.3 °C42.67 mm
September9.6 °C24.2 °C32 mm
October2.4 °C16 °C37.59 mm
November-3.9 °C8.8 °C12.45 mm
December-8.7 °C3.1 °C9.4 mm
Annual2.2 °C15.2 °C457.71 mm

Climate Data for Green Valley South Dakota

Average First Frost DateSep. 21 - Sep. 30
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 ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate