Webster, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -36° (1972) 64° (1981) 0.64" 11.6"
February 27° -35° (1962) 64° (1958) 0.78" 8.1"
March 21° 38° -23° (1962) 79° (1963) 1.4" 4.8"
April 34° 55° -6° (1975) 96° (1980) 2.2" 4"
May 46° 67° 17° (2005) 96° (1959) 3.12" 0.6"
June 56° 76° 33° (1990) 105° (1988) 3.8" 0"
July 62° 82° 39° (1975) 107° (1987) 3.72" 0"
August 59° 80° 37° (1965) 104° (1965) 3.05" 0"
September 49° 70° 17° (1974) 98° (1983) 2.83" 0"
October 36° 56° 5° (1991) 91° (1963) 2.07" 0.8"
November 22° 38° -20° (1985) 76° (1965) 0.78" 6.5"
December 24° -34° (1967) 57° (2006) 0.76" 6.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 13° 29° -10° (1985) 56° (1962) 0.02" 0.2"
Dec 2 13° 28° -17° (1985) 54° (1998) 0.03" 0.1"
Dec 3 12° 28° -15° (1985) 54° (1962) 0.02" 0.2"
Dec 4 12° 27° -13° (1991) 52° (1962) 0.02" 0.2"
Dec 5 12° 27° -12° (2005) 50° (1967) 0.03" 0.1"
Dec 6 11° 26° -28° (1972) 49° (1963) 0.02" 0.2"
Dec 7 11° 26° -18° (1972) 52° (1965) 0.03" 0.2"
Dec 8 10° 26° -22° (1976) 55° (1990) 0.02" 0.2"
Dec 9 10° 25° -23° (1977) 57° (2006) 0.03" 0.2"
Dec 10 10° 25° -22° (1977) 49° (2002) 0.02" 0.2"
Dec 11 24° -15° (1961) 46° (1967) 0.03" 0.1"
Dec 12 24° -17° (1962) 50° (1998) 0.02" 0.2"
Dec 13 24° -19° (1985) 48° (1998) 0.03" 0.2"
Dec 14 24° -23° (1989) 52° (1998) 0.02" 0.1"
Dec 15 23° -23° (1963) 48° (1962) 0.03" 0.2"
Dec 16 23° -20° (1963) 55° (1962) 0.02" 0.1"
Dec 17 23° -21° (1964) 56° (1962) 0.02" 0.2"
Dec 18 23° -22° (1981) 50° (1962) 0.03" 0.2"
Dec 19 22° -30° (1983) 50° (1979) 0.02" 0.1"
Dec 20 22° -22° (1983) 49° (1956) 0.02" 0.2"
Dec 21 22° -31° (1989) 47° (1956) 0.03" 0.2"
Dec 22 22° -27° (1989) 48° (1957) 0.02" 0.2"
Dec 23 22° -32° (1983) 45° (1986) 0.02" 0.3"
Dec 24 22° -28° (1983) 43° (1957) 0.03" 0.2"
Dec 25 21° -23° (1996) 49° (1994) 0.02" 0.3"
Dec 26 21° -23° (1990) 45° (1956) 0.03" 0.2"
Dec 27 21° -20° (1993) 44° (1980) 0.02" 0.3"
Dec 28 21° -19° (1993) 46° (1974) 0.03" 0.3"
Dec 29 21° -21° (1990) 54° (1999) 0.03" 0.2"
Dec 30 21° -29° (1976) 46° (1980) 0.02" 0.3"
Dec 31 21° -34° (1967) 46° (1980) 0.03" 0.3"
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