New Windsor, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 30° -27° (1979) 69° (1989) 1.58" 10.2"
February 18° 36° -28° (1996) 79° (1931) 1.51" 7"
March 29° 48° -19° (1960) 88° (1986) 2.92" 4.9"
April 39° 62° 7° (1982) 93° (1986) 3.82" 1.3"
May 50° 73° 25° (2005) 104° (1934) 4.25" 0"
June 60° 83° 39° (1993) 104° (1988) 4.63" 0"
July 65° 86° 46° (1971) 111° (1936) 4.03" 0"
August 62° 84° 40° (1986) 106° (1936) 4.41" 0"
September 53° 77° 24° (1942) 100° (1939) 3.16" 0"
October 42° 64° 11° (1925) 95° (2006) 2.8" 0.2"
November 30° 48° -9° (1976) 80° (2000) 2.73" 3"
December 18° 34° -24° (1989) 71° (1998) 2.2" 8.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 65° 86° 55° (1998) 103° (1987) 0.14" NA
Aug 2 65° 86° 51° (1985) 101° (1987) 0.14" NA
Aug 3 65° 86° 48° (1950) 103° (1930) 0.14" NA
Aug 4 64° 86° 46° (1978) 100° (1947) 0.14" NA
Aug 5 64° 86° 48° (1978) 101° (1918) 0.14" NA
Aug 6 64° 85° 49° (1948) 99° (1947) 0.14" NA
Aug 7 64° 85° 48° (1989) 97° (1984) 0.14" NA
Aug 8 64° 85° 47° (1976) 102° (1988) 0.14" NA
Aug 9 64° 85° 50° (1972) 101° (1934) 0.15" NA
Aug 10 64° 85° 52° (1972) 99° (1983) 0.15" NA
Aug 11 64° 85° 48° (1968) 98° (1941) 0.15" NA
Aug 12 63° 85° 47° (1979) 100° (1936) 0.15" NA
Aug 13 63° 85° 47° (2004) 97° (1918) 0.15" NA
Aug 14 63° 84° 45° (2004) 105° (1936) 0.15" NA
Aug 15 63° 84° 47° (1992) 101° (1936) 0.15" NA
Aug 16 63° 84° 47° (1992) 101° (1988) 0.15" NA
Aug 17 63° 84° 48° (1992) 103° (1988) 0.15" NA
Aug 18 62° 84° 44° (1963) 106° (1936) 0.15" NA
Aug 19 62° 84° 49° (1981) 101° (1983) 0.15" NA
Aug 20 62° 83° 43° (1950) 101° (1983) 0.14" NA
Aug 21 62° 83° 44° (1950) 99° (1936) 0.14" NA
Aug 22 61° 83° 47° (1923) 101° (1936) 0.14" NA
Aug 23 61° 83° 49° (1952) 99° (1947) 0.14" NA
Aug 24 61° 83° 43° (1942) 100° (1936) 0.14" NA
Aug 25 61° 82° 43° (1958) 97° (2003) 0.14" NA
Aug 26 60° 82° 45° (1934) 97° (2003) 0.14" NA
Aug 27 60° 82° 46° (1915) 97° (1976) 0.14" NA
Aug 28 60° 82° 40° (1986) 96° (1953) 0.13" NA
Aug 29 59° 82° 40° (1934) 97° (1984) 0.13" NA
Aug 30 59° 81° 40° (1915) 98° (1953) 0.13" NA
Aug 31 59° 81° 45° (1967) 100° (1953) 0.13" NA
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