Jacksonville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -9° -31.1° (1927) 23.9° (1950) 1.35" 6.6"
February -7° -33.3° (1934) 26.7° (1932) 1.69" 6.5"
March -2° 11° -25.6° (1948) 32.8° (1907) 3.18" 2.3"
April 18° -12.2° (1920) 34.4° (1930) 3.77" 0.4"
May 23° -3.3° (1966) 39.4° (1934) 4.86" 0"
June 15° 28° 2.2° (1993) 41.7° (1931) 4.36" 0"
July 17° 31° 6.1° (1930) 45.6° (1954) 3.85" 0"
August 16° 29° 3.9° (1986) 44.4° (1934) 3.35" 0"
September 11° 26° -3.9° (1942) 39.4° (1913) 3.46" 0"
October 20° -12.8° (1925) 35° (1922) 2.61" 0"
November -1° 11° -20.6° (1929) 28.9° (1937) 3.45" 1.2"
December -7° -31.1° (1944) 23.3° (1998) 2.54" 5.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 1.7° 15.6° -7° (1930) 29° (1937) 0.1" NA
Nov 2 1.7° 15° -9° (1911) 27° (2000) 0.1" NA
Nov 3 1.7° 15° -11° (1991) 27° (1938) 0.1" NA
Nov 4 1.1° 14.4° -11° (1991) 27° (2003) 0.11" NA
Nov 5 1.1° 14.4° -12° (1991) 26° (1924) 0.11" NA
Nov 6 1.1° 13.9° -9° (1927) 26° (1924) 0.11" NA
Nov 7 1.1° 13.9° -9° (1991) 27° (1945) 0.11" NA
Nov 8 0.6° 13.3° -18° (1991) 27° (1931) 0.11" NA
Nov 9 0.6° 13.3° -18° (1991) 27° (1999) 0.11" NA
Nov 10 0.6° 12.8° -13° (1991) 27° (1949) 0.12" NA
Nov 11 12.8° -11° (1950) 27° (1949) 0.12" NA
Nov 12 12.2° -11° (1911) 25° (1989) 0.12" NA
Nov 13 11.7° -14° (1986) 26° (1955) 0.12" NA
Nov 14 -0.6° 11.7° -14° (1986) 26° (1931) 0.12" NA
Nov 15 -0.6° 11.1° -13° (1940) 26° (1955) 0.12" NA
Nov 16 -0.6° 11.1° -12° (1933) 26° (1931) 0.12" NA
Nov 17 -1.1° 10.6° -16° (1959) 26° (1952) 0.12" NA
Nov 18 -1.1° 10.6° -12° (1903) 24° (1934) 0.12" NA
Nov 19 -1.1° 10.6° -13° (1914) 26° (1942) 0.12" NA
Nov 20 -1.7° 10° -14° (1914) 24° (1942) 0.12" NA
Nov 21 -1.7° 10° -14° (1937) 24° (1913) 0.12" NA
Nov 22 -1.7° 9.4° -15° (1937) 23° (1927) 0.12" NA
Nov 23 -2.2° 9.4° -13° (1937) 23° (1931) 0.12" NA
Nov 24 -2.2° 8.9° -18° (1950) 20° (1931) 0.12" NA
Nov 25 -2.8° 8.9° -20° (1950) 21° (1915) 0.12" NA
Nov 26 -2.8° 8.3° -16° (1977) 23° (1965) 0.12" NA
Nov 27 -2.8° 8.3° -15° (1977) 21° (1909) 0.12" NA
Nov 28 -3.3° 7.8° -17° (1977) 24° (1905) 0.11" NA
Nov 29 -3.3° 7.8° -18° (1977) 23° (1927) 0.11" NA
Nov 30 -3.3° 7.2° -21° (1929) 22° (1998) 0.11" NA
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