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
Jan 1 19° 36° -15° (1968) 67° (2005) 0.08" 0.2"
Jan 2 19° 36° -9° (1928) 61° (1950) 0.09" 0.1"
Jan 3 19° 36° -9° (1904) 68° (1997) 0.08" 0.2"
Jan 4 19° 35° -9° (1974) 63° (1997) 0.08" 0.2"
Jan 5 19° 35° -15° (1924) 70° (1997) 0.08" 0.1"
Jan 6 19° 35° -8° (1924) 68° (1907) 0.08" 0.2"
Jan 7 19° 35° -22° (1912) 69° (1907) 0.08" 0.2"
Jan 8 19° 35° -10° (1970) 70° (2008) 0.07" 0.2"
Jan 9 19° 35° -5° (1945) 66° (2006) 0.07" 0.1"
Jan 10 19° 35° -19° (1982) 59° (1928) 0.08" 0.2"
Jan 11 19° 35° -14° (1977) 69° (1911) 0.07" 0.2"
Jan 12 18° 35° -21° (1918) 65° (1936) 0.06" 0.2"
Jan 13 18° 35° -16° (1912) 63° (1932) 0.07" 0.1"
Jan 14 18° 36° -8° (1957) 71° (1928) 0.06" 0.2"
Jan 15 18° 36° -16° (1927) 66° (1949) 0.07" 0.2"
Jan 16 18° 36° -17° (1977) 67° (1990) 0.06" 0.2"
Jan 17 18° 36° -18° (1977) 71° (1952) 0.07" 0.1"
Jan 18 18° 36° -20° (1930) 64° (1951) 0.07" 0.2"
Jan 19 18° 36° -16° (1994) 72° (1952) 0.06" 0.2"
Jan 20 18° 36° -19° (1985) 72° (1906) 0.06" 0.2"
Jan 21 18° 36° -16° (1984) 69° (1986) 0.06" 0.2"
Jan 22 18° 36° -14° (1930) 68° (1967) 0.06" 0.1"
Jan 23 18° 36° -15° (1936) 74° (1909) 0.07" 0.2"
Jan 24 18° 36° -19° (1915) 73° (1950) 0.06" 0.2"
Jan 25 19° 36° -9° (1940) 72° (1950) 0.06" 0.2"
Jan 26 19° 37° -10° (1936) 66° (1911) 0.06" 0.1"
Jan 27 19° 37° -16° (1904) 69° (1944) 0.06" 0.2"
Jan 28 19° 37° -15° (1963) 71° (1970) 0.06" 0.2"
Jan 29 19° 37° -12° (1966) 63° (1947) 0.06" 0.2"
Jan 30 19° 37° -13° (1936) 64° (1931) 0.06" 0.1"
Jan 31 19° 37° -12° (1936) 59° (1953) 0.06" 0.2"
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