WEATHER IN Sioux Falls
Climate tables. Data for Sioux Falls.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -38.9 (1912) | -13.1 | -7.8 | -2.7 | 18.9 (1981) |
| february | -41.1 (1899) | -10.8 | -5.4 | 0.0 | 21.1 (1981) |
| march | -30.6 (1948) | -4.3 | 1.5 | 7.2 | 31.1 (1943) |
| april | -15.6 (1936) | 1.9 | 8.4 | 15.0 | 36.7 (1910) |
| may | -8.3 (1967) | 8.6 | 15.1 | 21.6 | 40.0 (1934) |
| june | 0.0 (1901) | 14.9 | 21.1 | 27.2 | 43.3 (1988) |
| july | 1.1 (1895) | 17.4 | 23.6 | 29.6 | 43.3 (1936) |
| august | 1.1 (1950) | 16.2 | 22.2 | 28.2 | 42.8 (1936) |
| september | -10.6 (1899) | 11.1 | 17.7 | 24.2 | 40.0 (1913) |
| october | -20.6 (1925) | 3.4 | 9.8 | 16.2 | 34.4 (1963) |
| november | -27.2 (1959) | -4.2 | 1.6 | 7.2 | 27.2 (1999) |
| december | -35.0 (1917) | -10.3 | -5.3 | -0.2 | 17.2 (1998) |
| year | -41.1 (1899) | 1.6 | 7.6 | 13.6 | 43.3 (1988) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 15 | 1 (1942) | 45 (1937) | 40 (1960) |
| february | 21 | 0.3 (1937) | 103 (1962) | 41 (1952) |
| march | 41 | 4 (1967) | 126 (2007) | 83 (2007) |
| april | 76 | 4 (1969) | 177 (2001) | 95 (2001) |
| may | 98 | 3 (1934) | 229 (1936) | 107 (2004) |
| june | 107 | 19 (2012) | 214 (1984) | 108 (1957) |
| july | 83 | 6 (2012) | 217 (2010) | 85 (1992) |
| august | 85 | 14 (1970) | 237 (1932) | 117 (1975) |
| september | 69 | 5 (2011) | 235 (1986) | 102 (1966) |
| october | 60 | 0.0 (1933) | 160 (1998) | 115 (1973) |
| november | 31 | 0.5 (1980) | 121 (2001) | 49 (2001) |
| december | 21 | 0.0 (1944) | 75 (1945) | 36 (1955) |
| year | 670 | 290 (1976) | 972 (2010) | 117 (1975) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |