Vermillion, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 30° -29° (1966) 71° (1981) 0.37" 4.3"
February 15° 37° -33° (1988) 74° (1981) 0.49" 5.2"
March 25° 49° -22° (1960) 90° (1968) 1.8" 6.7"
April 37° 64° 7° (1975) 97° (1965) 2.76" 1.3"
May 49° 75° 20° (1967) 104° (1967) 3.74" 0"
June 58° 85° 36° (1956) 108° (1988) 3.61" 0"
July 63° 89° 37° (1972) 108° (1990) 3.4" 0"
August 62° 86° 36° (1967) 106° (1973) 2.82" 0"
September 51° 79° 23° (1984) 103° (1976) 2.41" 0"
October 39° 66° 10° (1972) 98° (1963) 1.97" 0.8"
November 25° 46° -24° (1959) 83° (1999) 1.47" 3.1"
December 12° 33° -30° (1989) 69° (1970) 0.52" 6.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 83° 39° (1974) 98° (1983) 0.09" NA
Sep 2 57° 83° 40° (1974) 101° (1956) 0.09" NA
Sep 3 56° 83° 34° (1974) 99° (1956) 0.09" NA
Sep 4 56° 83° 41° (1974) 95° (1978) 0.09" NA
Sep 5 55° 82° 34° (1962) 97° (1978) 0.09" NA
Sep 6 55° 82° 34° (1956) 100° (1976) 0.08" NA
Sep 7 55° 82° 36° (1986) 103° (1976) 0.08" NA
Sep 8 54° 82° 35° (1995) 101° (1983) 0.08" NA
Sep 9 54° 81° 40° (1967) 101° (1983) 0.08" NA
Sep 10 53° 81° 34° (1959) 100° (1983) 0.08" NA
Sep 11 53° 81° 35° (1955) 95° (1948) 0.08" NA
Sep 12 53° 81° 33° (1975) 96° (1990) 0.08" NA
Sep 13 52° 80° 33° (1949) 98° (1955) 0.08" NA
Sep 14 52° 80° 36° (2007) 95° (2000) 0.08" NA
Sep 15 51° 80° 31° (1961) 100° (1955) 0.08" NA
Sep 16 51° 79° 33° (1957) 97° (1955) 0.08" NA
Sep 17 51° 79° 32° (1971) 97° (1955) 0.08" NA
Sep 18 50° 79° 32° (1971) 94° (1955) 0.08" NA
Sep 19 50° 78° 25° (1991) 100° (1948) 0.08" NA
Sep 20 49° 78° 29° (1962) 98° (1984) 0.08" NA
Sep 21 49° 78° 28° (1983) 92° (1956) 0.08" NA
Sep 22 49° 77° 27° (1995) 92° (1958) 0.08" NA
Sep 23 48° 77° 26° (1989) 87° (1958) 0.08" NA
Sep 24 48° 77° 27° (1965) 90° (1956) 0.08" NA
Sep 25 47° 76° 28° (2000) 92° (1956) 0.08" NA
Sep 26 47° 76° 25° (1984) 96° (1956) 0.08" NA
Sep 27 47° 76° 28° (1965) 97° (1956) 0.07" NA
Sep 28 46° 75° 26° (1961) 90° (1983) 0.07" NA
Sep 29 46° 75° 23° (1984) 90° (1981) 0.07" NA
Sep 30 45° 75° 24° (1974) 90° (1976) 0.07" NA
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