Arrowsmith, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 32° -25° (1999) 68° (1967) 1.61" NA
February 19° 37° -18° (1982) 70° (1976) 1.66" NA
March 30° 49° -1° (1978) 85° (1986) 2.95" NA
April 40° 62° 12° (1982) 93° (1986) 3.44" NA
May 51° 73° 23° (1966) 95° (1969) 3.95" NA
June 60° 83° 39° (1969) 101° (1988) 3.97" NA
July 64° 85° 43° (1967) 105° (1966) 3.82" NA
August 62° 84° 35° (1986) 101° (1983) 3.99" NA
September 54° 78° 30° (1989) 98° (1983) 2.85" NA
October 42° 66° 16° (1962) 94° (1962) 2.56" NA
November 31° 49° 3° (1977) 82° (1978) 2.85" NA
December 21° 36° -21° (1989) 69° (1984) 2.44" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 58° 82° 42° (1986) 93° (1984) 0.11" NA
Sep 2 58° 82° 44° (1967) 93° (1990) 0.11" NA
Sep 3 58° 82° 43° (1974) 93° (1990) 0.11" NA
Sep 4 58° 81° 42° (1974) 94° (1990) 0.11" NA
Sep 5 57° 81° 45° (1974) 95° (1990) 0.11" NA
Sep 6 57° 81° 38° (1962) 93° (1990) 0.11" NA
Sep 7 57° 81° 39° (1988) 94° (1964) 0.1" NA
Sep 8 56° 81° 33° (1986) 94° (1978) 0.1" NA
Sep 9 56° 80° 34° (1986) 98° (1983) 0.1" NA
Sep 10 56° 80° 39° (1986) 97° (1983) 0.1" NA
Sep 11 55° 80° 40° (1967) 91° (1979) 0.1" NA
Sep 12 55° 80° 44° (1964) 94° (1991) 0.1" NA
Sep 13 55° 79° 32° (1964) 94° (1991) 0.1" NA
Sep 14 54° 79° 38° (1963) 96° (1991) 0.1" NA
Sep 15 54° 79° 39° (1985) 91° (1991) 0.09" NA
Sep 16 54° 79° 38° (1966) 90° (1978) 0.09" NA
Sep 17 53° 78° 41° (1966) 90° (1992) 0.09" NA
Sep 18 53° 78° 41° (1973) 93° (1972) 0.09" NA
Sep 19 52° 78° 40° (1996) 93° (1978) 0.09" NA
Sep 20 52° 77° 36° (1962) 90° (1978) 0.09" NA
Sep 21 52° 77° 34° (1971) 92° (1970) 0.09" NA
Sep 22 51° 77° 33° (1983) 92° (1986) 0.09" NA
Sep 23 51° 76° 31° (1974) 92° (1988) 0.09" NA
Sep 24 51° 76° 30° (1989) 86° (1973) 0.09" NA
Sep 25 50° 76° 32° (1989) 87° (1979) 0.09" NA
Sep 26 50° 75° 31° (1989) 90° (1986) 0.08" NA
Sep 27 49° 75° 31° (1989) 89° (1998) 0.08" NA
Sep 28 49° 74° 31° (1989) 91° (1998) 0.08" NA
Sep 29 49° 74° 32° (1967) 91° (1986) 0.08" NA
Sep 30 48° 74° 33° (1967) 91° (1998) 0.08" NA
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