Annawan, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -26° (1999) 65° (1990) 1.59" 7.9"
February 17° 35° -23° (1996) 70° (1954) 1.82" 6.2"
March 27° 47° -11° (1978) 85° (1986) 2.63" 2.7"
April 38° 61° -2° (1982) 91° (2002) 3.43" 0.8"
May 49° 71° 22° (2005) 93° (1967) 4.14" 0"
June 59° 80° 38° (1988) 101° (1971) 4.58" 0"
July 63° 84° 42° (1983) 104° (1983) 3.94" 0"
August 60° 82° 38° (1986) 103° (1953) 4.22" 0"
September 51° 75° 26° (1974) 102° (1953) 3.51" 0"
October 40° 63° 17° (1988) 91° (1954) 2.87" 0.2"
November 30° 48° -4° (1959) 79° (2000) 2.83" 0.7"
December 17° 34° -24° (1983) 67° (1998) 2.12" 8.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 80° 38° (1949) 101° (1953) 0.12" 0"
Sep 2 57° 80° 39° (1949) 102° (1953) 0.12" 0"
Sep 3 56° 80° 42° (1952) 97° (1953) 0.12" 0"
Sep 4 56° 79° 40° (1974) 95° (1954) 0.11" 0"
Sep 5 56° 79° 38° (1974) 95° (1954) 0.12" 0"
Sep 6 55° 79° 37° (1988) 97° (1960) 0.11" 0"
Sep 7 55° 79° 39° (1956) 96° (1959) 0.12" 0"
Sep 8 54° 78° 37° (1986) 95° (1971) 0.11" 0"
Sep 9 54° 78° 41° (1986) 97° (1955) 0.12" 0"
Sep 10 53° 78° 39° (1949) 94° (1983) 0.11" 0"
Sep 11 53° 77° 40° (1993) 94° (1983) 0.11" 0"
Sep 12 53° 77° 40° (1958) 94° (1962) 0.11" 0"
Sep 13 52° 77° 34° (1953) 93° (1956) 0.11" 0"
Sep 14 52° 76° 36° (1974) 89° (1962) 0.11" 0"
Sep 15 51° 76° 36° (1985) 91° (1955) 0.12" 0"
Sep 16 51° 75° 34° (1984) 90° (1955) 0.11" 0"
Sep 17 50° 75° 37° (1984) 93° (1954) 0.12" 0"
Sep 18 50° 75° 38° (1959) 92° (1954) 0.11" 0"
Sep 19 49° 74° 41° (1992) 93° (1948) 0.12" 0"
Sep 20 49° 74° 28° (1956) 90° (1978) 0.13" 0"
Sep 21 48° 73° 37° (1983) 88° (1970) 0.12" 0"
Sep 22 48° 73° 30° (1974) 89° (1959) 0.13" 0"
Sep 23 47° 73° 26° (1974) 91° (1988) 0.12" 0"
Sep 24 47° 72° 27° (1995) 89° (1958) 0.12" 0"
Sep 25 47° 72° 32° (1995) 89° (2007) 0.13" 0"
Sep 26 46° 71° 33° (1984) 89° (1951) 0.12" 0"
Sep 27 46° 71° 33° (1975) 89° (1954) 0.12" 0"
Sep 28 45° 70° 32° (1957) 90° (1952) 0.12" 0"
Sep 29 45° 70° 32° (1984) 94° (1953) 0.11" 0"
Sep 30 44° 70° 28° (1984) 90° (1952) 0.11" 0"
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