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
Aug 1 65° 86° 48° (1925) 102° (1940) 0.11" 0"
Aug 2 65° 86° 49° (1920) 106° (1901) 0.11" 0"
Aug 3 65° 86° 46° (1950) 107° (1930) 0.1" 0"
Aug 4 65° 86° 47° (1912) 110° (1918) 0.1" 0"
Aug 5 65° 86° 45° (1912) 108° (1918) 0.09" 0"
Aug 6 65° 86° 47° (1948) 106° (1918) 0.1" 0"
Aug 7 65° 86° 48° (2004) 107° (1930) 0.1" 0"
Aug 8 65° 86° 48° (1976) 109° (1930) 0.1" 0"
Aug 9 64° 86° 49° (1972) 110° (1934) 0.1" 0"
Aug 10 64° 86° 48° (1972) 106° (1934) 0.1" 0"
Aug 11 64° 86° 49° (1967) 104° (1918) 0.11" 0"
Aug 12 64° 86° 45° (1967) 106° (1918) 0.1" 0"
Aug 13 64° 86° 43° (1964) 106° (1936) 0.1" 0"
Aug 14 64° 86° 48° (1924) 102° (1936) 0.09" 0"
Aug 15 64° 86° 45° (2004) 107° (1936) 0.1" 0"
Aug 16 64° 86° 45° (2004) 104° (1913) 0.09" 0"
Aug 17 64° 86° 52° (1929) 106° (1936) 0.1" 0"
Aug 18 64° 86° 50° (1963) 109° (1936) 0.09" 0"
Aug 19 63° 86° 50° (1943) 106° (1936) 0.1" 0"
Aug 20 63° 85° 46° (1950) 106° (1936) 0.1" 0"
Aug 21 63° 85° 38° (1950) 107° (1936) 0.09" 0"
Aug 22 63° 85° 43° (1950) 107° (1936) 0.1" 0"
Aug 23 63° 85° 46° (1923) 106° (1936) 0.1" 0"
Aug 24 62° 85° 47° (1920) 104° (1936) 0.1" 0"
Aug 25 62° 85° 45° (1958) 103° (1936) 0.09" 0"
Aug 26 62° 85° 44° (1910) 105° (1936) 0.11" 0"
Aug 27 62° 85° 45° (1910) 101° (1936) 0.1" 0"
Aug 28 62° 84° 44° (1986) 104° (1936) 0.1" 0"
Aug 29 61° 84° 41° (1986) 98° (1925) 0.11" 0"
Aug 30 61° 84° 43° (1946) 99° (1951) 0.1" 0"
Aug 31 61° 84° 42° (1915) 103° (1913) 0.11" 0"
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