Frogtown, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 38° -23° (1994) 70° (2002) 2.83" 4.1"
February 24° 43° -23° (1982) 78° (1972) 2.73" 3.6"
March 33° 54° -8° (1978) 85° (1986) 3.69" 0.6"
April 44° 66° 20° (1990) 91° (1987) 3.77" 0.1"
May 54° 75° 31° (1976) 94° (1987) 5.02" 0"
June 63° 84° 38° (1969) 101° (1988) 4.18" 0"
July 67° 88° 48° (1967) 104° (1980) 4.02" 0"
August 65° 87° 44° (1964) 105° (1983) 3.39" 0"
September 56° 80° 33° (1974) 100° (1960) 3.17" 0"
October 45° 68° 21° (1981) 93° (1963) 3.74" 0.1"
November 35° 55° 2° (1959) 82° (1987) 4.2" 0.3"
December 24° 41° -20° (1989) 74° (1982) 3.23" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 28° 46° 5° (1964) 71° (1970) 0.11" 0"
Dec 2 28° 46° 11° (1985) 74° (1982) 0.12" 0.1"
Dec 3 28° 45° 11° (1966) 72° (1970) 0.11" 0"
Dec 4 27° 45° 7° (1991) 71° (1998) 0.11" 0.1"
Dec 5 27° 45° 14° (2006) 69° (2001) 0.11" 0"
Dec 6 27° 44° 5° (1977) 67° (1998) 0.1" 0.1"
Dec 7 26° 44° 6° (1977) 71° (1998) 0.11" 0.1"
Dec 8 26° 43° 8° (2006) 68° (1966) 0.12" 0"
Dec 9 26° 43° 1° (1995) 64° (1965) 0.11" 0.1"
Dec 10 25° 43° 1° (1977) 67° (1971) 0.11" 0"
Dec 11 25° 42° 3° (1962) 65° (1979) 0.11" 0.1"
Dec 12 25° 42° -10° (1962) 65° (1991) 0.1" 0.1"
Dec 13 25° 42° -5° (1962) 66° (1975) 0.09" 0.1"
Dec 14 24° 41° -1° (1985) 70° (1984) 0.1" 0.1"
Dec 15 24° 41° -2° (1989) 67° (1971) 0.1" 0.1"
Dec 16 24° 41° -15° (1989) 67° (1984) 0.1" 0.1"
Dec 17 24° 40° -9° (1989) 66° (1984) 0.09" 0.1"
Dec 18 23° 40° -4° (1989) 65° (1962) 0.1" 0.1"
Dec 19 23° 40° -8° (1963) 64° (1976) 0.1" 0.1"
Dec 20 23° 40° -8° (1989) 64° (1988) 0.09" 0.1"
Dec 21 23° 40° -10° (1989) 66° (1967) 0.11" 0.1"
Dec 22 23° 39° -20° (1989) 62° (1965) 0.1" 0.1"
Dec 23 22° 39° -19° (1989) 64° (1982) 0.11" 0.1"
Dec 24 22° 39° -11° (1989) 62° (1964) 0.11" 0.1"
Dec 25 22° 39° -11° (1983) 64° (1982) 0.1" 0.1"
Dec 26 22° 39° -4° (2000) 60° (1971) 0.11" 0.1"
Dec 27 22° 39° 8° (1969) 66° (1971) 0.1" 0.1"
Dec 28 22° 38° 1° (1961) 69° (1984) 0.11" 0.1"
Dec 29 22° 38° -3° (1983) 67° (1984) 0.09" 0.2"
Dec 30 22° 38° -8° (1983) 67° (1965) 0.1" 0.1"
Dec 31 21° 38° -7° (1976) 62° (1965) 0.1" 0.1"
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