Rock Grove, 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
Feb 1 10° 27° -23° (1985) 62° (1989) 0.04" NA
Feb 2 10° 27° -22° (1996) 47° (1987) 0.04" NA
Feb 3 11° 28° -26° (1996) 52° (1987) 0.04" NA
Feb 4 11° 28° -27° (1996) 54° (1992) 0.04" NA
Feb 5 11° 28° -20° (1996) 49° (2005) 0.04" NA
Feb 6 11° 28° -16° (1979) 50° (1990) 0.04" NA
Feb 7 12° 29° -17° (1977) 48° (1987) 0.04" NA
Feb 8 12° 29° -18° (1985) 49° (1987) 0.05" NA
Feb 9 12° 29° -17° (1979) 57° (1990) 0.05" NA
Feb 10 12° 30° -20° (1994) 51° (1999) 0.05" NA
Feb 11 13° 30° -20° (1994) 58° (1999) 0.05" NA
Feb 12 13° 30° -11° (1994) 65° (1999) 0.05" NA
Feb 13 13° 30° -11° (1986) 57° (1976) 0.05" NA
Feb 14 14° 31° -9° (1988) 47° (1984) 0.05" NA
Feb 15 14° 31° -8° (2007) 60° (2006) 0.05" NA
Feb 16 14° 32° -8° (2007) 59° (1976) 0.05" NA
Feb 17 15° 32° -10° (1980) 57° (1981) 0.05" NA
Feb 18 15° 32° -13° (2006) 62° (1981) 0.05" NA
Feb 19 15° 33° -16° (1979) 58° (1981) 0.05" NA
Feb 20 16° 33° -14° (1979) 58° (1981) 0.05" NA
Feb 21 16° 33° 1° (1978) 61° (1983) 0.05" NA
Feb 22 17° 34° -9° (1978) 53° (1991) 0.05" NA
Feb 23 17° 34° -5° (1989) 61° (1984) 0.05" NA
Feb 24 17° 34° -10° (1993) 60° (1984) 0.05" NA
Feb 25 18° 35° -10° (1993) 59° (1976) 0.05" NA
Feb 26 18° 35° -1° (1994) 61° (2000) 0.05" NA
Feb 27 19° 36° -9° (1994) 61° (2000) 0.05" NA
Feb 28 19° 36° -8° (1994) 65° (1976) 0.05" NA
Feb 29 19° 36° -4° (1980) 62° (2000) 0.05" NA
Advertisements
Track Severe Weather on mobile