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
Apr 1 32° 53° 20° (1985) 82° (1986) 0.1" NA
Apr 2 32° 54° 19° (1993) 86° (1956) 0.11" NA
Apr 3 32° 54° 17° (1975) 82° (1956) 0.11" NA
Apr 4 33° 55° 13° (1975) 79° (1996) 0.11" NA
Apr 5 33° 55° 15° (1975) 79° (2005) 0.11" NA
Apr 6 33° 56° -2° (1982) 81° (1988) 0.11" NA
Apr 7 34° 56° 7° (1982) 73° (2004) 0.11" NA
Apr 8 34° 57° 15° (1996) 79° (2001) 0.11" NA
Apr 9 35° 57° 15° (1996) 80° (2001) 0.11" NA
Apr 10 35° 57° 19° (1997) 79° (1955) 0.12" NA
Apr 11 35° 58° 23° (1989) 83° (1977) 0.12" NA
Apr 12 36° 58° 18° (1976) 86° (1971) 0.12" NA
Apr 13 36° 59° 19° (1950) 84° (1971) 0.12" NA
Apr 14 36° 59° 24° (1957) 85° (2006) 0.12" NA
Apr 15 37° 59° 25° (1962) 85° (2003) 0.12" NA
Apr 16 37° 60° 22° (1949) 87° (2002) 0.12" NA
Apr 17 37° 60° 25° (1983) 87° (2002) 0.12" NA
Apr 18 38° 61° 22° (1983) 85° (1977) 0.12" NA
Apr 19 38° 61° 22° (1983) 91° (2002) 0.12" NA
Apr 20 38° 61° 22° (1953) 85° (1971) 0.12" NA
Apr 21 39° 62° 28° (1953) 89° (1987) 0.12" NA
Apr 22 39° 62° 24° (1986) 85° (1985) 0.12" NA
Apr 23 40° 63° 23° (1956) 90° (1980) 0.12" NA
Apr 24 40° 63° 24° (1956) 86° (1960) 0.12" NA
Apr 25 40° 63° 25° (1956) 86° (1954) 0.12" NA
Apr 26 41° 64° 30° (1976) 91° (1986) 0.12" NA
Apr 27 41° 64° 28° (1996) 88° (1986) 0.12" NA
Apr 28 42° 64° 28° (1950) 87° (1962) 0.12" NA
Apr 29 42° 65° 25° (1958) 90° (1970) 0.11" NA
Apr 30 42° 65° 32° (1958) 89° (1962) 0.11" NA
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