Dubuque, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -31° (1951) 61° (1981) 1.16" 7.9"
February 14° 33° -32° (1996) 65° (2000) 1.09" 6.7"
March 26° 45° -32° (1962) 87° (1986) 2.13" 4.6"
April 38° 60° 11° (1982) 93° (1980) 3.26" 1.6"
May 50° 72° 29° (2005) 95° (1991) 3.82" 0"
June 61° 82° 42° (1969) 101° (1988) 4.27" 0"
July 65° 85° 46° (1981) 108° (1995) 4.28" 0"
August 63° 83° 43° (1994) 104° (1988) 4.19" 0"
September 54° 74° 29° (1989) 97° (2000) 3.61" 0"
October 42° 62° 19° (1981) 92° (1997) 2.39" 0"
November 29° 45° -8° (1977) 75° (2000) 2.33" 1.9"
December 16° 32° -30° (1950) 66° (2001) 1.43" 7.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 59° 79° 42° (1949) 97° (1984) 0.13" NA
Sep 2 58° 78° 47° (2003) 97° (2000) 0.13" NA
Sep 3 58° 78° 47° (1952) 95° (2000) 0.13" NA
Sep 4 58° 78° 45° (1974) 94° (1990) 0.13" NA
Sep 5 57° 77° 45° (1962) 93° (1990) 0.13" NA
Sep 6 57° 77° 44° (1950) 96° (1990) 0.13" NA
Sep 7 57° 77° 45° (1956) 97° (1985) 0.13" NA
Sep 8 56° 76° 43° (1949) 95° (1978) 0.13" NA
Sep 9 56° 76° 46° (1981) 97° (1955) 0.13" NA
Sep 10 55° 76° 42° (1967) 92° (1978) 0.13" NA
Sep 11 55° 75° 44° (1955) 90° (1978) 0.13" NA
Sep 12 55° 75° 41° (1955) 91° (1984) 0.13" NA
Sep 13 54° 75° 40° (1963) 90° (1998) 0.13" NA
Sep 14 54° 74° 38° (1949) 90° (1998) 0.13" NA
Sep 15 54° 74° 40° (1989) 91° (1994) 0.12" NA
Sep 16 53° 74° 40° (2007) 90° (1994) 0.12" NA
Sep 17 53° 74° 45° (1951) 93° (1988) 0.12" NA
Sep 18 53° 73° 41° (1973) 91° (1955) 0.12" NA
Sep 19 52° 73° 41° (1991) 91° (1948) 0.12" NA
Sep 20 52° 73° 31° (1956) 86° (1984) 0.12" NA
Sep 21 52° 72° 39° (1983) 84° (1984) 0.12" NA
Sep 22 51° 72° 33° (1995) 89° (2007) 0.11" NA
Sep 23 51° 72° 35° (1983) 83° (2004) 0.11" NA
Sep 24 50° 71° 29° (1989) 90° (1984) 0.11" NA
Sep 25 50° 71° 30° (1989) 88° (1986) 0.11" NA
Sep 26 50° 71° 34° (1984) 88° (1986) 0.11" NA
Sep 27 49° 70° 35° (1985) 89° (1998) 0.1" NA
Sep 28 49° 70° 34° (1964) 90° (1952) 0.1" NA
Sep 29 49° 70° 32° (1949) 93° (1953) 0.1" NA
Sep 30 48° 69° 35° (1972) 86° (1971) 0.1" NA
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