Argo, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 31° -25° (1985) 67° (1989) 1.95" 12.6"
February 21° 36° -20° (1933) 75° (1976) 1.78" 10.3"
March 31° 47° -7° (1943) 86° (1986) 2.83" 5.7"
April 40° 59° 10° (1982) 92° (1942) 3.82" 1.4"
May 51° 71° 28° (1981) 102° (1934) 3.86" 0"
June 61° 81° 35° (1945) 107° (1934) 4.16" 0"
July 66° 85° 46° (1972) 106° (1995) 3.82" 0"
August 65° 82° 43° (1965) 102° (1991) 3.91" 0"
September 57° 75° 34° (1984) 101° (1953) 3.45" 0"
October 45° 63° 20° (1981) 94° (1963) 2.79" 0.1"
November 34° 48° -3° (1930) 81° (1950) 3.22" 2.4"
December 22° 36° -20° (1983) 71° (1970) 2.76" 10.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 62° 79° 45° (1949) 101° (1953) 0.13" NA
Sep 2 61° 79° 47° (1949) 101° (1953) 0.13" NA
Sep 3 61° 79° 47° (1974) 97° (1953) 0.13" NA
Sep 4 61° 79° 46° (1972) 95° (1954) 0.12" NA
Sep 5 60° 78° 48° (1974) 97° (1954) 0.12" NA
Sep 6 60° 78° 46° (1974) 98° (1990) 0.12" NA
Sep 7 60° 78° 46° (1986) 100° (1960) 0.12" NA
Sep 8 59° 77° 45° (1986) 96° (1959) 0.12" NA
Sep 9 59° 77° 47° (1975) 95° (1955) 0.12" NA
Sep 10 59° 77° 46° (1969) 95° (1983) 0.12" NA
Sep 11 58° 77° 46° (1993) 95° (1952) 0.12" NA
Sep 12 58° 76° 44° (1955) 96° (1952) 0.12" NA
Sep 13 58° 76° 40° (1953) 94° (1952) 0.12" NA
Sep 14 57° 76° 42° (1949) 91° (1991) 0.12" NA
Sep 15 57° 75° 41° (1949) 92° (1955) 0.12" NA
Sep 16 57° 75° 39° (1984) 92° (1955) 0.12" NA
Sep 17 56° 75° 40° (1984) 93° (1955) 0.12" NA
Sep 18 56° 75° 43° (1959) 94° (1955) 0.11" NA
Sep 19 56° 74° 42° (1956) 93° (1955) 0.11" NA
Sep 20 55° 74° 38° (1956) 90° (1959) 0.11" NA
Sep 21 55° 74° 41° (1974) 92° (1970) 0.11" NA
Sep 22 54° 73° 34° (1974) 92° (1956) 0.11" NA
Sep 23 54° 73° 35° (1974) 86° (2004) 0.11" NA
Sep 24 54° 72° 38° (1976) 91° (2007) 0.11" NA
Sep 25 53° 72° 40° (1965) 91° (1986) 0.11" NA
Sep 26 53° 72° 39° (1984) 93° (1998) 0.1" NA
Sep 27 53° 71° 39° (1975) 91° (1971) 0.1" NA
Sep 28 52° 71° 38° (1951) 92° (1953) 0.1" NA
Sep 29 52° 71° 37° (1951) 85° (1956) 0.1" NA
Sep 30 51° 70° 34° (1984) 92° (1971) 0.1" NA
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