Otterville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 35° -25° (1977) 74° (1950) 1.92" 5.2"
February 22° 41° -22° (1982) 80° (1972) 2.01" 4.5"
March 32° 53° -11° (1960) 86° (1985) 3.51" 3.9"
April 42° 64° 18° (1961) 92° (1951) 4.14" 0.5"
May 52° 74° 28° (1976) 96° (1953) 3.95" 0"
June 61° 83° 37° (1972) 104° (1954) 3.68" 0"
July 66° 88° 43° (1962) 112° (1954) 3.51" 0"
August 63° 86° 38° (1986) 105° (1964) 2.91" 0"
September 55° 79° 27° (1983) 102° (1954) 3.23" 0"
October 43° 68° 17° (1981) 93° (1963) 2.86" 0"
November 34° 53° -2° (1991) 84° (1950) 3.77" 1.3"
December 23° 40° -19° (1989) 74° (1948) 2.82" 4.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 28° 45° 6° (1964) 71° (1970) 0.12" NA
Dec 2 28° 45° 7° (1985) 68° (1982) 0.11" NA
Dec 3 27° 44° 8° (1985) 73° (1970) 0.11" NA
Dec 4 27° 44° 3° (2006) 72° (1998) 0.11" NA
Dec 5 26° 44° 10° (2006) 72° (1956) 0.11" NA
Dec 6 26° 43° -2° (1977) 70° (1998) 0.11" NA
Dec 7 26° 43° -1° (1950) 70° (1980) 0.1" NA
Dec 8 25° 42° 1° (1976) 67° (1980) 0.1" NA
Dec 9 25° 42° 0° (1977) 73° (1991) 0.1" NA
Dec 10 25° 42° -1° (1977) 60° (1971) 0.1" NA
Dec 11 24° 41° -1° (1962) 70° (1949) 0.1" NA
Dec 12 24° 41° -10° (1962) 65° (1979) 0.1" NA
Dec 13 23° 41° -5° (1962) 70° (1948) 0.09" NA
Dec 14 23° 40° -6° (1963) 65° (1975) 0.09" NA
Dec 15 23° 40° -9° (1989) 74° (1948) 0.09" NA
Dec 16 23° 40° -9° (1989) 65° (1948) 0.09" NA
Dec 17 22° 39° -10° (1989) 64° (1984) 0.09" NA
Dec 18 22° 39° -11° (1981) 65° (1962) 0.09" NA
Dec 19 22° 39° -17° (1981) 65° (1957) 0.09" NA
Dec 20 21° 39° -15° (1981) 66° (1949) 0.08" NA
Dec 21 21° 38° -15° (1973) 67° (1949) 0.08" NA
Dec 22 21° 38° -19° (1989) 62° (1965) 0.08" NA
Dec 23 20° 38° -18° (1989) 63° (1965) 0.08" NA
Dec 24 20° 37° -15° (1983) 69° (1955) 0.08" NA
Dec 25 20° 37° -15° (1983) 63° (1982) 0.08" NA
Dec 26 20° 37° -10° (1948) 67° (1954) 0.08" NA
Dec 27 19° 37° -8° (1948) 69° (1971) 0.08" NA
Dec 28 19° 37° -6° (1961) 66° (1984) 0.07" NA
Dec 29 19° 36° -10° (1981) 72° (1984) 0.07" NA
Dec 30 19° 36° -19° (1983) 69° (1965) 0.07" NA
Dec 31 19° 36° -11° (1976) 67° (1951) 0.07" NA
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