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
Dec 1 26° 42° 0° (1964) 68° (1970) 0.09" NA
Dec 2 25° 41° 3° (1966) 69° (1982) 0.09" NA
Dec 3 25° 41° 0° (1966) 69° (1970) 0.09" NA
Dec 4 25° 41° -2° (1991) 60° (1975) 0.09" NA
Dec 5 24° 40° 0° (1991) 64° (1975) 0.09" NA
Dec 6 24° 40° -3° (1977) 67° (1980) 0.09" NA
Dec 7 24° 39° -6° (1977) 62° (1963) 0.09" NA
Dec 8 23° 39° 1° (1976) 64° (1966) 0.09" NA
Dec 9 23° 39° -5° (1977) 63° (1991) 0.09" NA
Dec 10 23° 38° -9° (1977) 60° (1971) 0.08" NA
Dec 11 22° 38° -5° (1977) 62° (1979) 0.08" NA
Dec 12 22° 37° -13° (1962) 60° (1990) 0.08" NA
Dec 13 22° 37° -6° (1962) 64° (1975) 0.08" NA
Dec 14 22° 37° -5° (1963) 65° (1975) 0.08" NA
Dec 15 21° 36° -5° (1963) 62° (1971) 0.08" NA
Dec 16 21° 36° -8° (1963) 64° (1984) 0.08" NA
Dec 17 21° 36° -3° (1963) 60° (1984) 0.08" NA
Dec 18 20° 36° -9° (1963) 61° (1962) 0.08" NA
Dec 19 20° 35° -15° (1983) 54° (1988) 0.08" NA
Dec 20 20° 35° -9° (1963) 61° (1988) 0.08" NA
Dec 21 19° 35° -17° (1963) 63° (1967) 0.07" NA
Dec 22 19° 34° -19° (1989) 57° (1965) 0.07" NA
Dec 23 19° 34° -21° (1989) 63° (1982) 0.07" NA
Dec 24 18° 34° -20° (1983) 60° (1982) 0.07" NA
Dec 25 18° 34° -15° (1983) 62° (1982) 0.07" NA
Dec 26 18° 33° -10° (1983) 53° (1971) 0.07" NA
Dec 27 17° 33° -6° (1990) 61° (1971) 0.07" NA
Dec 28 17° 33° 3° (1962) 69° (1984) 0.07" NA
Dec 29 17° 33° -10° (1981) 63° (1984) 0.07" NA
Dec 30 17° 33° -15° (1983) 62° (1965) 0.06" NA
Dec 31 16° 32° -11° (1967) 58° (1965) 0.06" NA
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