Lilly, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 32° -25° (1999) 70° (1950) 1.7" 6.2"
February 19° 38° -23° (1934) 75° (1996) 1.55" 5.9"
March 29° 50° -14° (1934) 86° (1986) 3.11" 2.7"
April 39° 63° 14° (1920) 93° (1930) 3.63" 0.6"
May 50° 74° 24° (1966) 102° (1934) 4.42" 0"
June 61° 83° 35° (1917) 105° (1934) 3.97" 0"
July 64° 86° 41° (1930) 113° (1936) 4.35" 0"
August 62° 84° 36° (1915) 106° (1934) 4" 0"
September 53° 78° 22° (1928) 104° (1954) 3.13" 0"
October 41° 66° 7° (1925) 95° (1954) 2.81" 0"
November 31° 51° -3° (1964) 92° (1946) 3" 1.5"
December 21° 38° -29° (1914) 72° (1998) 2.63" 5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 26° 43° 8° (1964) 64° (1941) 0.1" NA
Dec 2 25° 43° 0° (1942) 68° (1950) 0.1" NA
Dec 3 25° 42° -8° (1929) 72° (1970) 0.1" NA
Dec 4 25° 42° 1° (1929) 69° (1916) 0.1" NA
Dec 5 24° 42° 6° (1991) 72° (1998) 0.09" NA
Dec 6 24° 41° -2° (1977) 70° (1980) 0.09" NA
Dec 7 23° 41° -2° (1917) 68° (1916) 0.09" NA
Dec 8 23° 40° -3° (1909) 65° (1946) 0.09" NA
Dec 9 23° 40° -10° (1958) 69° (1918) 0.09" NA
Dec 10 22° 40° -11° (1917) 65° (1918) 0.09" NA
Dec 11 22° 39° -18° (1917) 66° (1949) 0.09" NA
Dec 12 22° 39° -12° (1962) 64° (1929) 0.09" NA
Dec 13 21° 39° -6° (1958) 64° (1948) 0.09" NA
Dec 14 21° 38° -4° (1914) 67° (1975) 0.09" NA
Dec 15 21° 38° -16° (1917) 70° (1948) 0.09" NA
Dec 16 20° 38° -17° (1932) 63° (1984) 0.09" NA
Dec 17 20° 37° -10° (1914) 64° (1984) 0.08" NA
Dec 18 20° 37° -8° (1922) 63° (1939) 0.08" NA
Dec 19 20° 37° -15° (1983) 60° (1957) 0.08" NA
Dec 20 19° 36° -13° (1914) 63° (1949) 0.08" NA
Dec 21 19° 36° -12° (1963) 62° (1941) 0.08" NA
Dec 22 19° 36° -12° (1963) 61° (1933) 0.08" NA
Dec 23 18° 36° -12° (1983) 65° (1933) 0.08" NA
Dec 24 18° 35° -19° (1983) 65° (1955) 0.08" NA
Dec 25 18° 35° -18° (1983) 62° (1982) 0.08" NA
Dec 26 18° 35° -29° (1914) 62° (1942) 0.08" NA
Dec 27 17° 34° -8° (1935) 64° (1907) 0.07" NA
Dec 28 17° 34° -24° (1924) 63° (1946) 0.07" NA
Dec 29 17° 34° -12° (1917) 72° (1984) 0.07" NA
Dec 30 16° 34° -15° (1917) 61° (1936) 0.07" NA
Dec 31 16° 34° -9° (1983) 62° (1951) 0.07" NA
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