Jacksonville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 35° -24° (1927) 75° (1950) 1.59" 4.5"
February 21° 41° -28° (1934) 80° (1932) 1.76" 4.6"
March 29° 52° -14° (1948) 91° (1907) 2.72" 2.3"
April 40° 65° 10° (1920) 94° (1930) 4.03" 0.3"
May 50° 74° 26° (1966) 103° (1934) 4.81" 0"
June 59° 83° 36° (1993) 107° (1931) 4.58" 0"
July 63° 87° 43° (1930) 114° (1954) 3.95" 0"
August 61° 85° 39° (1986) 112° (1934) 3.42" 0"
September 52° 79° 25° (1942) 103° (1913) 3.53" 0"
October 41° 67° 9° (1925) 95° (1922) 3.01" 0"
November 32° 53° -5° (1929) 84° (1937) 3.62" 0.5"
December 21° 39° -24° (1944) 74° (1998) 2.5" 5.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 24° 46° -5° (1960) 76° (1972) 0.07" 0.1"
Mar 2 25° 46° -1° (1913) 76° (1992) 0.07" 0.1"
Mar 3 25° 47° 0° (1943) 79° (1946) 0.08" 0.1"
Mar 4 25° 47° -3° (1978) 78° (1961) 0.07" 0.1"
Mar 5 26° 48° -10° (1960) 81° (1956) 0.08" 0.1"
Mar 6 26° 48° -13° (1960) 84° (1956) 0.08" 0.1"
Mar 7 26° 48° -7° (1943) 80° (1956) 0.08" 0.1"
Mar 8 27° 49° -13° (1943) 81° (2000) 0.08" 0.1"
Mar 9 27° 49° 0° (1996) 80° (2000) 0.08" 0.1"
Mar 10 27° 50° 0° (1934) 83° (1955) 0.07" 0.2"
Mar 11 28° 50° 5° (1948) 81° (1955) 0.08" 0"
Mar 12 28° 51° -14° (1948) 83° (1972) 0.08" 0.1"
Mar 13 28° 51° 1° (1926) 87° (1918) 0.09" 0.1"
Mar 14 29° 51° 7° (1993) 81° (1990) 0.08" 0.1"
Mar 15 29° 52° 7° (1993) 79° (1935) 0.08" 0.1"
Mar 16 29° 52° 10° (1951) 86° (1945) 0.09" 0.1"
Mar 17 30° 53° -6° (1906) 81° (1945) 0.09" 0"
Mar 18 30° 53° 2° (1906) 78° (1918) 0.09" 0.1"
Mar 19 30° 54° 2° (1923) 81° (1921) 0.09" 0.1"
Mar 20 31° 54° 4° (1906) 84° (1935) 0.09" 0"
Mar 21 31° 54° 3° (1906) 91° (1907) 0.1" 0.1"
Mar 22 31° 55° 11° (1906) 86° (1907) 0.09" 0"
Mar 23 32° 55° 9° (1960) 88° (1910) 0.1" 0.1"
Mar 24 32° 56° 6° (1974) 87° (1929) 0.09" 0"
Mar 25 32° 56° 5° (1974) 83° (1907) 0.1" 0.1"
Mar 26 33° 57° 3° (1955) 83° (1950) 0.1" 0"
Mar 27 33° 57° 14° (1955) 86° (1945) 0.09" 0.1"
Mar 28 33° 57° 4° (1934) 86° (1910) 0.1" 0"
Mar 29 34° 58° 18° (1915) 87° (1985) 0.11" 0"
Mar 30 34° 58° 17° (1964) 87° (1986) 0.11" 0.1"
Mar 31 34° 59° 12° (1923) 85° (1986) 0.11" 0"
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