Rollo, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 27° -25° (1999) 64° (1967) 1.35" 9.3"
February 15° 32° -33° (1996) 68° (1976) 1.62" 6.7"
March 26° 44° -16° (2002) 83° (1986) 2.17" 3.8"
April 36° 59° 9° (1982) 92° (2002) 3.11" 0.5"
May 47° 69° 24° (2005) 94° (1975) 4.46" 0"
June 57° 79° 36° (1972) 101° (1988) 4.36" 0"
July 61° 82° 41° (2000) 101° (1966) 4.13" 0"
August 59° 80° 37° (1986) 99° (1988) 4.15" 0"
September 51° 74° 29° (1995) 93° (1978) 3.45" 0"
October 39° 62° 16° (1962) 90° (2007) 2.79" 0.2"
November 28° 46° -7° (1976) 76° (1968) 2.98" 1.1"
December 15° 31° -23° (1983) 65° (2001) 2.02" 8.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 60° 81° 49° (1998) 95° (2006) 0.14" 0"
Aug 2 60° 80° 49° (1965) 98° (1988) 0.13" 0"
Aug 3 60° 80° 43° (1976) 98° (1991) 0.13" 0"
Aug 4 60° 80° 46° (1976) 96° (1988) 0.13" 0"
Aug 5 60° 80° 46° (1994) 96° (1988) 0.12" 0"
Aug 6 60° 80° 46° (1994) 92° (1965) 0.13" 0"
Aug 7 60° 80° 46° (1994) 95° (1968) 0.13" 0"
Aug 8 60° 80° 44° (1976) 93° (1968) 0.13" 0"
Aug 9 60° 80° 46° (1976) 98° (1988) 0.13" 0"
Aug 10 60° 80° 50° (1964) 93° (2005) 0.13" 0"
Aug 11 60° 80° 47° (1967) 92° (1971) 0.12" 0"
Aug 12 60° 80° 46° (1967) 91° (1988) 0.14" 0"
Aug 13 60° 80° 44° (2004) 91° (1988) 0.13" 0"
Aug 14 60° 80° 44° (1963) 90° (1988) 0.14" 0"
Aug 15 59° 80° 45° (1963) 93° (1988) 0.14" 0"
Aug 16 59° 80° 44° (1976) 96° (1988) 0.14" 0"
Aug 17 59° 80° 46° (1976) 98° (1988) 0.14" 0"
Aug 18 59° 80° 46° (1963) 99° (1988) 0.14" 0"
Aug 19 59° 80° 47° (1977) 94° (1988) 0.14" 0"
Aug 20 59° 80° 48° (1985) 96° (1983) 0.14" 0"
Aug 21 59° 79° 44° (2000) 94° (1968) 0.13" 0"
Aug 22 59° 79° 42° (2000) 94° (1968) 0.13" 0"
Aug 23 58° 79° 49° (1966) 95° (1968) 0.14" 0"
Aug 24 58° 79° 48° (1987) 96° (1968) 0.13" 0"
Aug 25 58° 79° 48° (1987) 92° (1991) 0.14" 0"
Aug 26 58° 79° 49° (1963) 94° (1991) 0.13" 0"
Aug 27 58° 79° 45° (1968) 94° (2003) 0.13" 0"
Aug 28 57° 79° 37° (1986) 93° (1976) 0.14" 0"
Aug 29 57° 79° 39° (1986) 96° (1991) 0.14" 0"
Aug 30 57° 78° 41° (1965) 91° (2010) 0.13" 0"
Aug 31 56° 78° 41° (1967) 90° (1966) 0.14" 0"
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