Lanark, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -31° (1910) 61° (2002) 1.43" 8.8"
February 13° 35° -30° (1996) 70° (2000) 1.52" 6.9"
March 25° 47° -16° (1962) 85° (1986) 2.63" 5.3"
April 35° 60° -2° (1982) 92° (1930) 3.67" 1.9"
May 46° 72° 20° (2005) 104° (1934) 4.34" 0"
June 54° 82° 31° (1988) 104° (1934) 4.77" 0"
July 59° 85° 35° (1904) 108° (1936) 3.83" 0"
August 56° 83° 32° (1986) 103° (1936) 4.54" 0"
September 47° 76° 23° (1983) 99° (1939) 3.48" 0"
October 36° 64° 4° (1925) 91° (1997) 2.73" 0.1"
November 26° 47° -15° (1976) 79° (2000) 2.84" 2.2"
December 14° 34° -28° (1914) 69° (1998) 2.02" 7.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 67° 24° (1903) 89° (1952) 0.13" NA
May 2 41° 67° 24° (1911) 88° (1901) 0.13" NA
May 3 41° 67° 20° (2005) 88° (1928) 0.13" NA
May 4 41° 68° 23° (2005) 90° (1918) 0.13" NA
May 5 42° 68° 24° (1910) 90° (1949) 0.13" NA
May 6 42° 68° 27° (1954) 95° (1934) 0.13" NA
May 7 43° 69° 26° (1980) 92° (1934) 0.13" NA
May 8 43° 69° 30° (1976) 88° (1916) 0.13" NA
May 9 43° 70° 24° (1983) 95° (1934) 0.13" NA
May 10 44° 70° 23° (1966) 89° (1922) 0.13" NA
May 11 44° 70° 22° (1907) 88° (1922) 0.14" NA
May 12 44° 71° 25° (1981) 89° (1922) 0.14" NA
May 13 45° 71° 29° (1910) 88° (1940) 0.14" NA
May 14 45° 71° 27° (1910) 92° (1932) 0.14" NA
May 15 46° 72° 27° (1904) 92° (1941) 0.14" NA
May 16 46° 72° 29° (1907) 88° (1911) 0.14" NA
May 17 46° 73° 31° (1930) 90° (1934) 0.14" NA
May 18 47° 73° 30° (2002) 92° (1934) 0.14" NA
May 19 47° 73° 31° (1929) 93° (1934) 0.14" NA
May 20 47° 74° 28° (1981) 93° (1934) 0.14" NA
May 21 48° 74° 29° (2002) 92° (1934) 0.14" NA
May 22 48° 74° 32° (2006) 93° (1925) 0.14" NA
May 23 48° 75° 29° (1963) 91° (1921) 0.15" NA
May 24 48° 75° 33° (1935) 91° (1939) 0.15" NA
May 25 49° 75° 25° (1925) 92° (1967) 0.15" NA
May 26 49° 76° 29° (1901) 93° (1967) 0.15" NA
May 27 49° 76° 31° (1907) 93° (1985) 0.15" NA
May 28 50° 76° 31° (1907) 91° (1978) 0.15" NA
May 29 50° 77° 28° (1984) 99° (1934) 0.15" NA
May 30 50° 77° 31° (1996) 97° (1934) 0.15" NA
May 31 51° 77° 34° (1984) 104° (1934) 0.16" NA
Advertisements
Track Severe Weather on mobile