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
Jan 1 13° 30° -17° (1968) 52° (2004) 0.06" NA
Jan 2 13° 30° -27° (1979) 62° (2004) 0.06" NA
Jan 3 13° 30° -15° (1919) 62° (1998) 0.06" NA
Jan 4 13° 30° -21° (1999) 64° (1997) 0.05" NA
Jan 5 12° 30° -26° (1999) 55° (1956) 0.05" NA
Jan 6 12° 30° -19° (1979) 53° (1933) 0.05" NA
Jan 7 12° 30° -19° (1971) 54° (1949) 0.05" NA
Jan 8 12° 30° -18° (1942) 65° (2003) 0.05" NA
Jan 9 12° 29° -17° (1982) 60° (1939) 0.05" NA
Jan 10 12° 29° -23° (1982) 57° (1975) 0.05" NA
Jan 11 12° 29° -17° (1979) 52° (1980) 0.05" NA
Jan 12 12° 29° -26° (1974) 59° (1960) 0.05" NA
Jan 13 12° 29° -22° (1916) 58° (1961) 0.05" NA
Jan 14 12° 29° -21° (1979) 61° (1928) 0.05" NA
Jan 15 11° 29° -24° (1979) 56° (1990) 0.05" NA
Jan 16 12° 29° -19° (1977) 59° (1990) 0.05" NA
Jan 17 12° 29° -22° (1977) 56° (1996) 0.05" NA
Jan 18 12° 29° -22° (1994) 56° (1996) 0.05" NA
Jan 19 12° 30° -23° (1994) 58° (2006) 0.05" NA
Jan 20 12° 30° -21° (1985) 63° (1906) 0.05" NA
Jan 21 12° 30° -21° (1970) 64° (1957) 0.05" NA
Jan 22 12° 30° -22° (1936) 58° (2002) 0.05" NA
Jan 23 12° 30° -21° (1936) 66° (1909) 0.05" NA
Jan 24 12° 30° -13° (1904) 65° (1950) 0.05" NA
Jan 25 12° 30° -14° (1940) 62° (1981) 0.05" NA
Jan 26 12° 30° -15° (1982) 58° (2002) 0.05" NA
Jan 27 13° 30° -18° (1963) 64° (2002) 0.05" NA
Jan 28 13° 31° -26° (1963) 57° (1914) 0.05" NA
Jan 29 13° 31° -19° (1966) 57° (1914) 0.05" NA
Jan 30 13° 31° -14° (1966) 59° (1988) 0.05" NA
Jan 31 14° 31° -21° (1996) 69° (1989) 0.05" NA
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