Janesville, South Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -30° (1970) 73° (1981) 0.46" NA
February 13° 34° -26° (1994) 78° (1982) 0.55" NA
March 23° 45° -19° (1962) 86° (1978) 1.87" NA
April 36° 59° 6° (1975) 95° (1980) 2.52" NA
May 48° 71° 26° (1967) 103° (1967) 3.9" NA
June 57° 81° 37° (1990) 109° (1988) 3.81" NA
July 62° 86° 44° (1995) 108° (1989) 3.01" NA
August 61° 84° 43° (1994) 108° (1988) 3.07" NA
September 50° 75° 26° (1991) 104° (1970) 2.13" NA
October 38° 62° 12° (1991) 94° (1963) 1.8" NA
November 24° 44° -13° (1991) 79° (1978) 1.29" NA
December 11° 32° -28° (1990) 64° (1962) 0.63" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 30° -20° (1979) 62° (1992) 0.01" NA
Feb 2 30° -18° (1978) 64° (1992) 0.01" NA
Feb 3 30° -18° (1989) 64° (1992) 0.01" NA
Feb 4 31° -18° (1989) 67° (1962) 0.01" NA
Feb 5 10° 31° -19° (1979) 60° (1963) 0.01" NA
Feb 6 10° 31° -12° (1982) 62° (1963) 0.01" NA
Feb 7 10° 31° -12° (1982) 52° (1965) 0.01" NA
Feb 8 11° 32° -13° (1971) 66° (1987) 0.01" NA
Feb 9 11° 32° -26° (1994) 60° (1991) 0.01" NA
Feb 10 11° 32° -26° (1994) 57° (1977) 0.01" NA
Feb 11 12° 33° -24° (1988) 57° (1977) 0.01" NA
Feb 12 12° 33° -22° (1988) 64° (1977) 0.02" NA
Feb 13 12° 33° -3° (1969) 62° (1990) 0.02" NA
Feb 14 13° 33° 1° (1965) 63° (1967) 0.02" NA
Feb 15 13° 34° -8° (1967) 52° (1981) 0.02" NA
Feb 16 13° 34° -20° (1979) 53° (1971) 0.02" NA
Feb 17 13° 34° -17° (1973) 66° (1981) 0.02" NA
Feb 18 14° 35° -17° (1979) 73° (1981) 0.02" NA
Feb 19 14° 35° -14° (1978) 59° (1981) 0.02" NA
Feb 20 14° 35° -6° (1989) 58° (1981) 0.02" NA
Feb 21 15° 36° -10° (1968) 65° (1981) 0.03" NA
Feb 22 15° 36° -15° (1962) 69° (1995) 0.03" NA
Feb 23 16° 36° -16° (1993) 78° (1982) 0.03" NA
Feb 24 16° 37° -17° (1993) 60° (1976) 0.03" NA
Feb 25 16° 37° -14° (1993) 68° (1981) 0.03" NA
Feb 26 17° 37° -13° (1993) 60° (1986) 0.03" NA
Feb 27 17° 38° -14° (1962) 63° (1976) 0.04" NA
Feb 28 17° 38° -24° (1962) 60° (1974) 0.04" NA
Feb 29 17° 38° 1° (1968) 64° (1972) 0.04" NA
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