Annawan, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 28° -26° (1999) 65° (1990) 1.55" NA
February 16° 34° -23° (1996) 70° (1954) 1.41" NA
March 26° 46° -11° (1978) 85° (1986) 2.49" NA
April 37° 60° -2° (1982) 91° (2002) 3.48" NA
May 48° 71° 22° (2005) 93° (1967) 3.53" NA
June 59° 80° 38° (1988) 101° (1971) 4.46" NA
July 62° 84° 42° (1983) 104° (1983) 3.98" NA
August 60° 82° 38° (1986) 103° (1953) 4.14" NA
September 51° 75° 26° (1974) 102° (1953) 3.04" NA
October 39° 63° 17° (1988) 91° (1954) 2.57" NA
November 29° 47° -4° (1959) 79° (2000) 2.74" NA
December 17° 33° -24° (1983) 67° (1998) 2.37" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 62° 83° 49° (1971) 101° (1988) 0.13" NA
Aug 2 62° 83° 49° (1985) 101° (1988) 0.13" NA
Aug 3 62° 83° 45° (1976) 98° (1988) 0.13" NA
Aug 4 62° 83° 46° (1972) 99° (1988) 0.13" NA
Aug 5 62° 83° 46° (1978) 98° (1988) 0.13" NA
Aug 6 62° 83° 45° (1994) 96° (1968) 0.13" NA
Aug 7 62° 83° 47° (1975) 94° (1949) 0.14" NA
Aug 8 62° 83° 44° (1976) 96° (1988) 0.14" NA
Aug 9 62° 83° 49° (1976) 102° (1988) 0.14" NA
Aug 10 62° 83° 51° (1962) 94° (2001) 0.14" NA
Aug 11 61° 82° 46° (1982) 95° (1983) 0.14" NA
Aug 12 61° 82° 45° (1979) 95° (1988) 0.14" NA
Aug 13 61° 82° 48° (1986) 94° (1988) 0.14" NA
Aug 14 61° 82° 43° (2004) 94° (1953) 0.14" NA
Aug 15 61° 82° 44° (2004) 95° (1988) 0.14" NA
Aug 16 61° 82° 46° (1976) 100° (1988) 0.14" NA
Aug 17 60° 82° 48° (2004) 100° (1988) 0.14" NA
Aug 18 60° 82° 47° (1953) 101° (1983) 0.14" NA
Aug 19 60° 81° 51° (1977) 101° (1988) 0.14" NA
Aug 20 60° 81° 43° (1950) 101° (1983) 0.13" NA
Aug 21 59° 81° 44° (1950) 100° (1983) 0.13" NA
Aug 22 59° 81° 47° (1949) 98° (1968) 0.13" NA
Aug 23 59° 81° 45° (1952) 98° (1968) 0.13" NA
Aug 24 59° 81° 44° (1984) 97° (1948) 0.13" NA
Aug 25 58° 80° 41° (1958) 95° (1948) 0.13" NA
Aug 26 58° 80° 48° (1967) 96° (1955) 0.13" NA
Aug 27 58° 80° 46° (1967) 98° (1955) 0.13" NA
Aug 28 57° 80° 41° (1986) 97° (1953) 0.13" NA
Aug 29 57° 80° 38° (1986) 98° (1948) 0.13" NA
Aug 30 57° 79° 38° (1986) 97° (1953) 0.12" NA
Aug 31 56° 79° 44° (1967) 103° (1953) 0.12" NA
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