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
Oct 1 45° 70° 28° (1958) 88° (1994) 0.09" NA
Oct 2 44° 69° 24° (1974) 87° (1953) 0.09" NA
Oct 3 44° 69° 23° (1974) 91° (1954) 0.09" NA
Oct 4 43° 68° 29° (1989) 90° (1997) 0.09" NA
Oct 5 43° 68° 25° (1980) 84° (1951) 0.08" NA
Oct 6 43° 68° 23° (1952) 90° (1963) 0.08" NA
Oct 7 42° 67° 26° (1988) 89° (1982) 0.08" NA
Oct 8 42° 67° 25° (1987) 87° (2007) 0.08" NA
Oct 9 42° 66° 25° (1987) 86° (1949) 0.08" NA
Oct 10 41° 66° 26° (1964) 86° (1962) 0.08" NA
Oct 11 41° 65° 27° (1987) 86° (1962) 0.08" NA
Oct 12 40° 65° 24° (1988) 85° (1956) 0.08" NA
Oct 13 40° 64° 22° (1988) 82° (1962) 0.08" NA
Oct 14 40° 64° 26° (1979) 85° (1975) 0.08" NA
Oct 15 39° 63° 29° (1997) 85° (1963) 0.08" NA
Oct 16 39° 63° 29° (1976) 84° (1950) 0.08" NA
Oct 17 39° 63° 24° (1992) 86° (1950) 0.08" NA
Oct 18 38° 62° 19° (1992) 86° (1950) 0.08" NA
Oct 19 38° 62° 20° (1972) 83° (1953) 0.08" NA
Oct 20 38° 61° 20° (1952) 84° (1953) 0.08" NA
Oct 21 37° 61° 24° (1982) 84° (2003) 0.08" NA
Oct 22 37° 60° 22° (1982) 86° (1979) 0.08" NA
Oct 23 37° 60° 23° (1982) 83° (1963) 0.08" NA
Oct 24 36° 59° 18° (1981) 80° (1963) 0.08" NA
Oct 25 36° 58° 22° (1981) 81° (1989) 0.08" NA
Oct 26 35° 58° 20° (1962) 81° (1955) 0.08" NA
Oct 27 35° 57° 19° (1976) 77° (1955) 0.09" NA
Oct 28 35° 57° 20° (1997) 78° (1950) 0.09" NA
Oct 29 35° 56° 23° (1980) 79° (1999) 0.09" NA
Oct 30 34° 56° 17° (1988) 85° (1950) 0.09" NA
Oct 31 34° 55° 21° (1988) 83° (1950) 0.09" NA
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