Galena, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 29° -30° (1951) 61° (1981) 1.16" 8.9"
February 15° 34° -34° (1996) 68° (2000) 1.46" 6.6"
March 26° 46° -21° (1962) 87° (1986) 2.16" 3.8"
April 38° 60° 5° (1982) 94° (1980) 3.44" 0.4"
May 48° 71° 23° (2005) 94° (2006) 3.89" 0.1"
June 58° 81° 35° (1972) 100° (1988) 4.82" 0"
July 62° 85° 41° (1972) 102° (1995) 3.91" 0"
August 61° 83° 36° (1950) 103° (1988) 4.16" 0"
September 51° 75° 26° (1949) 99° (1985) 3.35" 0"
October 40° 63° 14° (1988) 95° (1997) 3.03" 0"
November 28° 47° -9° (1977) 77° (1999) 2.59" 1"
December 16° 33° -26° (1950) 67° (2001) 1.76" 9.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 57° 80° 38° (1949) 98° (1953) 0.12" 0"
Sep 2 57° 80° 41° (1967) 96° (1953) 0.11" 0"
Sep 3 57° 80° 40° (1967) 95° (2000) 0.12" 0"
Sep 4 56° 80° 38° (1974) 94° (1960) 0.11" 0"
Sep 5 56° 79° 39° (1950) 94° (1954) 0.11" 0"
Sep 6 55° 79° 35° (1950) 95° (1985) 0.11" 0"
Sep 7 55° 79° 38° (1956) 99° (1985) 0.11" 0"
Sep 8 54° 78° 38° (1949) 95° (1978) 0.11" 0"
Sep 9 54° 78° 38° (1986) 98° (1955) 0.11" 0"
Sep 10 54° 78° 40° (1976) 92° (1978) 0.11" 0"
Sep 11 53° 77° 36° (1955) 93° (2005) 0.11" 0"
Sep 12 53° 77° 34° (1955) 92° (1984) 0.11" 0"
Sep 13 52° 77° 36° (1964) 92° (1998) 0.11" 0"
Sep 14 52° 76° 35° (1949) 90° (1994) 0.11" 0"
Sep 15 51° 76° 34° (2007) 92° (1994) 0.11" 0"
Sep 16 51° 75° 34° (2007) 91° (1994) 0.11" 0"
Sep 17 50° 75° 37° (1984) 89° (1948) 0.1" 0"
Sep 18 50° 75° 35° (1959) 93° (1988) 0.11" 0"
Sep 19 49° 74° 37° (1991) 94° (1948) 0.11" 0"
Sep 20 49° 74° 31° (1956) 87° (1959) 0.12" 0"
Sep 21 48° 73° 31° (1991) 89° (2005) 0.12" 0"
Sep 22 48° 73° 31° (1974) 89° (2007) 0.11" 0"
Sep 23 47° 73° 28° (1974) 86° (1988) 0.12" 0"
Sep 24 47° 72° 27° (1995) 91° (1984) 0.11" 0"
Sep 25 47° 72° 29° (1989) 87° (2007) 0.12" 0"
Sep 26 46° 71° 30° (1984) 88° (1986) 0.12" 0"
Sep 27 46° 71° 31° (1991) 90° (1998) 0.11" 0"
Sep 28 45° 70° 30° (1991) 93° (1952) 0.11" 0"
Sep 29 45° 70° 26° (1949) 95° (1953) 0.11" 0"
Sep 30 45° 70° 30° (1949) 90° (1952) 0.1" 0"
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