Roby, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 33° -22° (1884) 73° (1909) 1.62" 7.4"
February 22° 39° -24° (1905) 78° (1930) 1.8" 5.8"
March 32° 51° -12° (1960) 91° (1907) 3.15" 3.4"
April 42° 63° 17° (1920) 90° (1986) 3.36" 0.7"
May 53° 74° 28° (1966) 101° (1934) 4.06" 0"
June 62° 83° 39° (2003) 104° (1934) 3.77" 0"
July 66° 87° 48° (1975) 112° (1954) 3.53" 0"
August 64° 85° 43° (1986) 108° (1934) 3.41" 0"
September 55° 79° 31° (1899) 101° (1984) 2.83" 0"
October 44° 67° 13° (1925) 93° (2006) 2.62" 0"
November 34° 51° -3° (1964) 83° (1950) 2.87" 1.6"
December 23° 38° -21° (1989) 74° (1984) 2.54" 6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 38° 58° 19° (1899) 87° (1946) 0.11" NA
Apr 2 38° 58° 21° (1961) 87° (1981) 0.11" NA
Apr 3 38° 59° 20° (1936) 83° (1981) 0.11" NA
Apr 4 38° 59° 22° (1975) 86° (1929) 0.11" NA
Apr 5 39° 59° 17° (1920) 86° (1988) 0.11" NA
Apr 6 39° 60° 19° (1982) 85° (1967) 0.11" NA
Apr 7 39° 60° 20° (1990) 85° (2001) 0.11" NA
Apr 8 40° 61° 22° (1997) 86° (2001) 0.11" NA
Apr 9 40° 61° 19° (1997) 87° (2001) 0.11" NA
Apr 10 40° 61° 24° (1989) 90° (1930) 0.11" NA
Apr 11 41° 62° 24° (1973) 90° (1930) 0.11" NA
Apr 12 41° 62° 23° (1990) 88° (1930) 0.11" NA
Apr 13 41° 62° 23° (1957) 89° (1941) 0.11" NA
Apr 14 42° 63° 23° (1997) 89° (2006) 0.11" NA
Apr 15 42° 63° 25° (1928) 86° (2002) 0.11" NA
Apr 16 42° 64° 26° (1962) 88° (2002) 0.11" NA
Apr 17 43° 64° 26° (1997) 89° (1937) 0.11" NA
Apr 18 43° 64° 27° (1983) 87° (2004) 0.11" NA
Apr 19 43° 65° 24° (1983) 87° (1938) 0.11" NA
Apr 20 44° 65° 28° (1956) 89° (1936) 0.11" NA
Apr 21 44° 66° 28° (1904) 87° (1902) 0.11" NA
Apr 22 44° 66° 30° (1986) 89° (1925) 0.11" NA
Apr 23 45° 66° 23° (1956) 89° (1925) 0.11" NA
Apr 24 45° 67° 22° (1910) 89° (1925) 0.11" NA
Apr 25 45° 67° 32° (1972) 90° (1986) 0.12" NA
Apr 26 46° 67° 32° (1976) 89° (1986) 0.12" NA
Apr 27 46° 68° 33° (1968) 87° (1984) 0.12" NA
Apr 28 46° 68° 31° (1992) 87° (1951) 0.12" NA
Apr 29 47° 68° 32° (1958) 89° (1910) 0.12" NA
Apr 30 47° 69° 34° (1971) 88° (2007) 0.12" NA
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