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
May 1 43° 70° 24° (1961) 95° (1959) 0.11" NA
May 2 43° 70° 22° (1967) 95° (1987) 0.11" NA
May 3 44° 71° 20° (1967) 94° (1949) 0.11" NA
May 4 44° 71° 23° (1967) 93° (1949) 0.11" NA
May 5 44° 71° 24° (1968) 91° (2004) 0.11" NA
May 6 45° 72° 28° (1967) 94° (2004) 0.12" NA
May 7 45° 72° 27° (1976) 91° (1990) 0.12" NA
May 8 46° 72° 24° (1980) 91° (1990) 0.12" NA
May 9 46° 73° 26° (1966) 93° (1987) 0.12" NA
May 10 46° 73° 29° (1981) 92° (1987) 0.12" NA
May 11 47° 73° 30° (1981) 90° (1987) 0.12" NA
May 12 47° 74° 28° (1968) 89° (1988) 0.12" NA
May 13 48° 74° 26° (1997) 95° (1987) 0.12" NA
May 14 48° 74° 29° (1973) 96° (2001) 0.12" NA
May 15 48° 75° 27° (1959) 96° (2001) 0.12" NA
May 16 49° 75° 29° (1983) 95° (2001) 0.12" NA
May 17 49° 75° 29° (1973) 94° (1964) 0.12" NA
May 18 49° 76° 30° (2002) 93° (1970) 0.12" NA
May 19 50° 76° 30° (2002) 94° (1996) 0.12" NA
May 20 50° 76° 31° (1968) 96° (1948) 0.12" NA
May 21 51° 77° 30° (1968) 96° (1948) 0.12" NA
May 22 51° 77° 24° (1963) 92° (1964) 0.12" NA
May 23 51° 78° 32° (1968) 96° (1950) 0.13" NA
May 24 52° 78° 34° (1968) 95° (1950) 0.13" NA
May 25 52° 78° 33° (1968) 104° (1967) 0.13" NA
May 26 52° 79° 26° (1992) 104° (1967) 0.13" NA
May 27 53° 79° 34° (1992) 92° (1969) 0.13" NA
May 28 53° 79° 36° (1965) 97° (2006) 0.13" NA
May 29 53° 80° 41° (1963) 100° (1989) 0.13" NA
May 30 54° 80° 40° (1963) 91° (1998) 0.12" NA
May 31 54° 80° 34° (1964) 92° (2002) 0.12" NA
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