WEATHER IN Sioux Falls
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -38 (1912) | 8.5 | 17.9 | 27.2 | 66 (1981) |
| february | -42 (1899) | 12.6 | 22.3 | 32.0 | 70 (1981) |
| march | -23 (1948) | 24.3 | 34.7 | 45.0 | 88 (1943) |
| april | 4 (1936) | 35.5 | 47.2 | 59.0 | 98 (1910) |
| may | 17 (1967) | 47.5 | 59.1 | 70.8 | 104 (1934) |
| june | 32 (1901) | 58.8 | 69.9 | 80.9 | 110 (1988) |
| july | 34 (1895) | 63.4 | 74.4 | 85.3 | 110 (1936) |
| august | 34 (1950) | 61.1 | 72.0 | 82.8 | 109 (1936) |
| september | 13 (1899) | 51.9 | 63.8 | 75.6 | 104 (1913) |
| october | -5 (1925) | 38.1 | 49.6 | 61.1 | 94 (1963) |
| november | -17 (1959) | 24.5 | 34.8 | 45.0 | 81 (1999) |
| december | -31 (1917) | 13.4 | 22.5 | 31.6 | 63 (1998) |
| year | -42 (1899) | 34.8 | 45.7 | 56.5 | 110 (1988) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 0.60 | 0.04 (1942) | 1.76 (1937) | 1.59 (1960) |
| february | 0.83 | 0.01 (1937) | 4.05 (1962) | 1.62 (1952) |
| march | 1.60 | 0.14 (1967) | 4.97 (2007) | 3.27 (2007) |
| april | 3.00 | 0.17 (1969) | 6.97 (2001) | 3.72 (2001) |
| may | 3.86 | 0.10 (1934) | 9.03 (1936) | 4.22 (2004) |
| june | 4.23 | 0.74 (2012) | 8.43 (1984) | 4.26 (1957) |
| july | 3.25 | 0.24 (2012) | 8.55 (2010) | 3.35 (1992) |
| august | 3.34 | 0.53 (1970) | 9.33 (1932) | 4.59 (1975) |
| september | 2.73 | 0.20 (2011) | 9.26 (1986) | 4.02 (1966) |
| october | 2.36 | 0.00 (1933) | 6.28 (1998) | 4.54 (1973) |
| november | 1.22 | 0.02 (1980) | 4.76 (2001) | 1.92 (2001) |
| december | 0.83 | 0.00 (1944) | 2.97 (1945) | 1.41 (1955) |
| year | 26.38 | 11.42 (1976) | 38.26 (2010) | 4.59 (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 |