Shannon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -27° (1985) 61° (2002) 1.33" 8.3"
February 14° 31° -27° (1996) 65° (1999) 1.33" 6.8"
March 25° 43° -8° (2002) 85° (1986) 2.14" 6.4"
April 36° 57° 9° (1982) 92° (1980) 3.23" 2"
May 47° 69° 25° (2005) 95° (1985) 3.96" 0.1"
June 57° 78° 38° (1993) 100° (1988) 4.46" 0"
July 62° 82° 46° (1979) 101° (1988) 3.57" 0"
August 59° 80° 40° (1986) 101° (1988) 4.11" 0"
September 50° 73° 28° (1984) 96° (1985) 3.67" 0"
October 39° 61° 15° (1988) 90° (1997) 2.58" 0.1"
November 28° 44° -5° (1977) 77° (2000) 2.69" 2.2"
December 16° 30° -23° (2000) 67° (2001) 1.72" 8.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 19° 37° 0° (1980) 59° (2004) 0.05" NA
Mar 2 20° 37° -6° (1980) 66° (1992) 0.05" NA
Mar 3 20° 37° -1° (1980) 65° (1983) 0.06" NA
Mar 4 21° 38° -8° (2002) 71° (1983) 0.06" NA
Mar 5 21° 38° -6° (1978) 67° (1983) 0.06" NA
Mar 6 21° 39° -1° (1978) 69° (1983) 0.06" NA
Mar 7 22° 39° -2° (1996) 70° (2000) 0.06" NA
Mar 8 22° 40° -4° (1996) 77° (2000) 0.06" NA
Mar 9 23° 40° -5° (1975) 74° (2000) 0.06" NA
Mar 10 23° 41° -2° (2003) 67° (1977) 0.06" NA
Mar 11 23° 41° 1° (2003) 64° (1977) 0.06" NA
Mar 12 24° 41° 8° (1979) 70° (1990) 0.06" NA
Mar 13 24° 42° 3° (1975) 77° (1990) 0.06" NA
Mar 14 25° 42° 4° (1975) 73° (2007) 0.07" NA
Mar 15 25° 43° 5° (1993) 73° (1995) 0.07" NA
Mar 16 25° 43° 7° (1975) 68° (1995) 0.07" NA
Mar 17 26° 44° 10° (1993) 68° (1995) 0.07" NA
Mar 18 26° 44° 10° (1993) 73° (2003) 0.07" NA
Mar 19 27° 44° 12° (1993) 69° (1976) 0.07" NA
Mar 20 27° 45° 7° (1986) 75° (1976) 0.07" NA
Mar 21 27° 45° 9° (1986) 67° (1976) 0.07" NA
Mar 22 28° 46° 13° (2002) 69° (1991) 0.07" NA
Mar 23 28° 46° 9° (1974) 69° (1994) 0.08" NA
Mar 24 28° 47° 0° (1974) 70° (1994) 0.08" NA
Mar 25 29° 47° 0° (1974) 70° (2003) 0.08" NA
Mar 26 29° 48° 11° (1996) 77° (2007) 0.08" NA
Mar 27 29° 48° 11° (1996) 78° (1991) 0.08" NA
Mar 28 30° 49° 15° (1996) 75° (1989) 0.08" NA
Mar 29 30° 49° 17° (1982) 79° (1998) 0.09" NA
Mar 30 31° 49° 15° (1975) 85° (1986) 0.09" NA
Mar 31 31° 50° 15° (1975) 75° (2005) 0.09" NA
Advertisements
Track Severe Weather on mobile