Climate thumb|right|Climate chart for Sioux Falls Due to its inland location and relatively high latitude, Sioux Falls has a humid continental climate (Köppen Dfa, bordering on Dwa) characterized by hot, humid summers and cold, dry winters. It is in USDA Plant Hardiness Zone 5a. The monthly daily average temperature ranges from in January to in July; there are 15 days of maximums at or above and 25 days with minimums at or below annually. Snowfall occurs mostly in light to moderate amounts during the winter, totaling . Precipitation, at annually, is concentrated in the warmer months. This results in frequent thunderstorms in summer from convection being built up with the unstable weather patterns. Extremes range from on February 9, 1899 to as recently as June 21, 1988.
Climate thumb|right|Climate chart for Sioux Falls Due to its inland location and relatively high latitude, Sioux Falls has a humid continental climate (Köppen Dfa, bordering on Dwa) characterized by hot, humid summers and cold, dry winters. It is in USDA Plant Hardiness Zone 5a. The monthly daily average temperature ranges from in January to in July; there are 15 days of maximums at or above and 25 days with minimums at or below annually Snowfall occurs mostly in light to moderate amounts during the winter, totaling . Precipitation, at annually, is concentrated in the warmer months. This results in frequent thunderstorms in summer from convection being built up with the unstable weather patterns. Extremes range from on February 9 1899 to as recently as June 21, 1988