Royal Lakes, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 36° -22° (1912) 74° (1909) 2.11" 5.4"
February 22° 41° -23° (1905) 82° (1930) 2.16" 4.5"
March 32° 53° -12° (1960) 91° (1907) 2.9" 2"
April 43° 65° 16° (1920) 92° (1930) 3.92" 0.2"
May 53° 74° 26° (1966) 99° (1934) 4.36" 0"
June 62° 83° 37° (1917) 106° (1934) 3.92" 0"
July 66° 86° 44° (1947) 113° (1954) 3.74" 0"
August 63° 85° 38° (1950) 110° (1934) 3.1" 0"
September 55° 79° 26° (1942) 105° (1913) 3.13" 0"
October 44° 67° 14° (1925) 95° (1953) 3.32" 0.1"
November 34° 53° -4° (1950) 84° (1950) 3.74" 0.7"
December 23° 39° -20° (1989) 74° (1998) 2.74" 3.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 48° 73° 30° (1946) 92° (1937) 0.09" 0"
Oct 2 48° 72° 27° (1974) 95° (1953) 0.09" 0"
Oct 3 48° 72° 27° (1952) 94° (1922) 0.09" 0"
Oct 4 47° 72° 29° (1935) 93° (1922) 0.09" 0"
Oct 5 47° 71° 27° (1901) 91° (1922) 0.1" 0"
Oct 6 47° 71° 27° (1952) 90° (1912) 0.09" 0"
Oct 7 46° 70° 21° (1952) 92° (1939) 0.1" 0"
Oct 8 46° 70° 21° (1952) 93° (1939) 0.09" 0"
Oct 9 46° 70° 25° (1915) 89° (1938) 0.1" 0"
Oct 10 45° 69° 24° (1964) 90° (1938) 0.1" 0"
Oct 11 45° 69° 25° (1906) 93° (1963) 0.1" 0"
Oct 12 45° 69° 26° (1987) 89° (1962) 0.11" 0"
Oct 13 45° 68° 18° (1917) 88° (1935) 0.1" 0"
Oct 14 44° 68° 24° (1979) 88° (1935) 0.11" 0"
Oct 15 44° 67° 25° (1937) 90° (1963) 0.1" 0"
Oct 16 44° 67° 29° (1952) 87° (1938) 0.1" 0"
Oct 17 43° 67° 25° (1943) 88° (1907) 0.12" 0"
Oct 18 43° 66° 20° (1948) 88° (1953) 0.11" 0"
Oct 19 43° 66° 22° (1972) 87° (1953) 0.11" 0"
Oct 20 43° 66° 21° (1930) 88° (1953) 0.12" 0"
Oct 21 42° 65° 20° (1952) 87° (1953) 0.11" 0"
Oct 22 42° 65° 21° (1976) 87° (1953) 0.11" 0"
Oct 23 42° 64° 24° (1969) 87° (1939) 0.11" 0"
Oct 24 41° 64° 20° (1981) 85° (1940) 0.12" 0"
Oct 25 41° 64° 26° (1966) 90° (1940) 0.11" 0"
Oct 26 41° 63° 19° (1942) 87° (1940) 0.11" 0"
Oct 27 41° 63° 22° (1903) 87° (1927) 0.12" 0"
Oct 28 40° 62° 18° (1925) 87° (1927) 0.13" 0"
Oct 29 40° 62° 17° (1925) 86° (1937) 0.12" 0"
Oct 30 40° 62° 14° (1925) 87° (1950) 0.13" 0.1"
Oct 31 39° 61° 16° (1925) 86° (1950) 0.13" 0"
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