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
May 1 46° 65° 30° (1943) 90° (1951) 0.13" NA
May 2 46° 66° 30° (1978) 91° (1959) 0.13" NA
May 3 46° 66° 32° (1971) 92° (1955) 0.13" NA
May 4 47° 67° 31° (1940) 92° (1952) 0.13" NA
May 5 47° 67° 34° (1929) 94° (1949) 0.13" NA
May 6 47° 68° 34° (1978) 93° (1934) 0.12" NA
May 7 48° 68° 32° (1974) 89° (1936) 0.12" NA
May 8 48° 68° 33° (1947) 91° (1963) 0.12" NA
May 9 48° 69° 31° (1947) 96° (1934) 0.12" NA
May 10 49° 69° 29° (1966) 88° (1936) 0.12" NA
May 11 49° 69° 32° (1981) 89° (1987) 0.12" NA
May 12 50° 70° 28° (1981) 92° (1956) 0.12" NA
May 13 50° 70° 30° (1938) 90° (1982) 0.12" NA
May 14 50° 71° 37° (1936) 92° (1982) 0.12" NA
May 15 51° 71° 31° (1980) 91° (1962) 0.12" NA
May 16 51° 71° 35° (1940) 94° (1962) 0.12" NA
May 17 51° 72° 36° (1929) 94° (1962) 0.12" NA
May 18 52° 72° 34° (2002) 93° (1934) 0.12" NA
May 19 52° 73° 37° (1929) 95° (1934) 0.12" NA
May 20 52° 73° 36° (1981) 95° (1977) 0.12" NA
May 21 53° 73° 34° (2002) 94° (1934) 0.12" NA
May 22 53° 74° 40° (1929) 93° (1977) 0.12" NA
May 23 53° 74° 35° (1931) 92° (1964) 0.13" NA
May 24 54° 74° 36° (1935) 93° (1950) 0.13" NA
May 25 54° 75° 35° (1934) 90° (1939) 0.13" NA
May 26 54° 75° 34° (1934) 93° (1967) 0.13" NA
May 27 55° 75° 35° (1961) 91° (1991) 0.13" NA
May 28 55° 76° 40° (1930) 94° (2006) 0.13" NA
May 29 55° 76° 36° (1930) 95° (1942) 0.13" NA
May 30 56° 76° 36° (1930) 95° (1942) 0.13" NA
May 31 56° 77° 41° (1928) 102° (1934) 0.13" NA
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