Grantsburg, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° 44° -20° (1977) 70° (1986) 3.62" 2.5"
February 31° 50° -10° (1996) 78° (1996) 3.63" 2.8"
March 39° 60° -3° (1978) 83° (1986) 4.37" 0.6"
April 48° 70° 21° (1990) 89° (1987) 4.56" 0"
May 56° 78° 29° (1976) 93° (2006) 5.57" 0"
June 64° 86° 39° (1972) 100° (1988) 4.07" 0"
July 68° 89° 46° (1971) 101° (1999) 3.86" 0"
August 66° 89° 46° (1986) 103° (2007) 3.29" 0"
September 59° 83° 32° (1983) 100° (1999) 3.54" 0"
October 48° 72° 17° (1981) 93° (2007) 3.89" 0.2"
November 39° 59° 6° (1976) 83° (2000) 4.51" 0.3"
December 30° 47° -14° (1989) 77° (1982) 4.49" 1.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 34° 54° 9° (1980) 76° (2006) 0.13" 0"
Mar 2 35° 55° 6° (1980) 75° (1992) 0.12" 0.1"
Mar 3 35° 55° 7° (1980) 76° (1983) 0.12" 0"
Mar 4 35° 56° 5° (1978) 80° (1983) 0.12" 0.1"
Mar 5 35° 56° -3° (1978) 79° (1983) 0.13" 0"
Mar 6 36° 56° 18° (1980) 73° (1992) 0.13" 0"
Mar 7 36° 57° 18° (1984) 80° (2000) 0.13" 0.1"
Mar 8 36° 57° 9° (1996) 80° (2000) 0.13" 0"
Mar 9 37° 57° 9° (1996) 78° (1974) 0.14" 0"
Mar 10 37° 58° 17° (2003) 78° (1990) 0.13" 0.1"
Mar 11 37° 58° 16° (1998) 76° (2006) 0.13" 0"
Mar 12 37° 59° 9° (1998) 77° (2006) 0.13" 0"
Mar 13 38° 59° 14° (1969) 80° (1990) 0.14" 0"
Mar 14 38° 59° 14° (1993) 79° (1990) 0.13" 0"
Mar 15 38° 60° 16° (1969) 78° (1995) 0.14" 0.1"
Mar 16 39° 60° 15° (1988) 79° (1982) 0.15" 0"
Mar 17 39° 60° 19° (1971) 78° (1982) 0.14" 0"
Mar 18 39° 61° 21° (1978) 82° (1982) 0.15" 0"
Mar 19 39° 61° 24° (1989) 79° (1982) 0.14" 0"
Mar 20 40° 62° 18° (1990) 79° (1982) 0.14" 0"
Mar 21 40° 62° 15° (1986) 77° (1997) 0.15" 0"
Mar 22 40° 62° 16° (1986) 77° (1997) 0.16" 0.1"
Mar 23 41° 63° 20° (1968) 80° (1987) 0.15" 0"
Mar 24 41° 63° 6° (1974) 80° (1987) 0.15" 0"
Mar 25 41° 63° 17° (1974) 77° (1991) 0.16" 0"
Mar 26 41° 64° 21° (1975) 79° (1991) 0.15" 0"
Mar 27 42° 64° 20° (2001) 82° (1998) 0.15" 0"
Mar 28 42° 64° 24° (1982) 81° (1998) 0.16" 0"
Mar 29 42° 65° 28° (1994) 80° (1985) 0.15" 0"
Mar 30 43° 65° 23° (1969) 82° (1986) 0.16" 0"
Mar 31 43° 66° 19° (1969) 83° (1986) 0.16" 0"
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