Arthur, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 33° -24° (1977) 70° (1952) 2.1" 6.1"
February 21° 38° -19° (1951) 73° (1996) 2.29" 4.4"
March 31° 50° -10° (1960) 86° (1981) 2.81" 2"
April 42° 63° 15° (1990) 90° (1987) 4.15" 0.1"
May 53° 74° 26° (1966) 95° (1998) 4.18" 0"
June 63° 83° 39° (2003) 105° (1954) 4.44" 0"
July 66° 86° 45° (1963) 113° (1954) 4.76" 0"
August 63° 84° 42° (1967) 104° (1988) 3.26" 0"
September 55° 78° 30° (1967) 102° (1954) 3.01" 0"
October 43° 66° 18° (1962) 93° (1953) 3.25" 0"
November 33° 51° -7° (1950) 82° (1950) 3.85" 0.7"
December 22° 37° -26° (1989) 70° (1998) 2.94" 4.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 66° 86° 50° (1965) 99° (1949) 0.16" 0"
Jul 2 66° 86° 50° (1959) 99° (1970) 0.16" 0"
Jul 3 66° 86° 47° (1968) 98° (1970) 0.16" 0"
Jul 4 66° 86° 50° (1967) 98° (1988) 0.16" 0"
Jul 5 66° 86° 47° (1972) 100° (1988) 0.15" 0"
Jul 6 66° 86° 46° (1972) 99° (1988) 0.16" 0"
Jul 7 66° 86° 50° (1950) 99° (1988) 0.16" 0"
Jul 8 66° 86° 48° (1961) 101° (1980) 0.16" 0"
Jul 9 66° 86° 49° (1961) 100° (1966) 0.16" 0"
Jul 10 66° 86° 45° (1963) 101° (1966) 0.16" 0"
Jul 11 66° 86° 52° (1975) 101° (1966) 0.17" 0"
Jul 12 66° 86° 50° (1959) 108° (1954) 0.16" 0"
Jul 13 66° 86° 47° (1975) 106° (1954) 0.17" 0"
Jul 14 66° 86° 46° (1967) 113° (1954) 0.16" 0"
Jul 15 66° 86° 52° (1960) 109° (1954) 0.16" 0"
Jul 16 66° 86° 50° (1954) 102° (1988) 0.17" 0"
Jul 17 66° 86° 53° (1976) 99° (1988) 0.17" 0"
Jul 18 66° 85° 53° (1979) 107° (1954) 0.17" 0"
Jul 19 66° 85° 55° (1984) 104° (1954) 0.15" 0"
Jul 20 65° 85° 54° (2007) 105° (1954) 0.15" 0"
Jul 21 65° 85° 50° (1970) 101° (1954) 0.16" 0"
Jul 22 65° 85° 54° (1970) 101° (1983) 0.15" 0"
Jul 23 65° 85° 51° (1985) 102° (1983) 0.15" 0"
Jul 24 65° 85° 54° (1948) 98° (1965) 0.16" 0"
Jul 25 65° 85° 56° (1991) 98° (1999) 0.14" 0"
Jul 26 65° 85° 50° (1962) 100° (1952) 0.14" 0"
Jul 27 65° 85° 50° (1962) 100° (1997) 0.13" 0"
Jul 28 65° 85° 52° (1977) 99° (1952) 0.13" 0"
Jul 29 65° 85° 51° (1981) 100° (1954) 0.13" 0"
Jul 30 65° 85° 52° (1964) 101° (1999) 0.12" 0"
Jul 31 65° 85° 49° (1971) 101° (1999) 0.13" 0"
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