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
Aug 1 65° 85° 54° (1978) 101° (1988) 0.14" NA
Aug 2 65° 85° 53° (1950) 101° (1988) 0.14" NA
Aug 3 65° 85° 50° (1950) 101° (1988) 0.14" NA
Aug 4 65° 85° 50° (1978) 99° (1988) 0.14" NA
Aug 5 65° 85° 51° (1990) 92° (1965) 0.14" NA
Aug 6 64° 85° 43° (1994) 96° (1984) 0.14" NA
Aug 7 64° 85° 50° (1990) 96° (1984) 0.14" NA
Aug 8 64° 84° 55° (1976) 95° (2001) 0.14" NA
Aug 9 64° 84° 54° (1972) 94° (1985) 0.14" NA
Aug 10 64° 84° 53° (1967) 98° (1983) 0.14" NA
Aug 11 64° 84° 49° (1967) 96° (1988) 0.14" NA
Aug 12 64° 84° 48° (1967) 97° (1995) 0.14" NA
Aug 13 64° 84° 51° (1967) 98° (1995) 0.14" NA
Aug 14 63° 83° 49° (1964) 99° (1988) 0.14" NA
Aug 15 63° 83° 50° (1979) 100° (1988) 0.14" NA
Aug 16 63° 83° 50° (1976) 103° (1988) 0.14" NA
Aug 17 63° 83° 50° (1981) 104° (1988) 0.13" NA
Aug 18 63° 83° 48° (2002) 101° (1988) 0.13" NA
Aug 19 62° 82° 50° (1963) 101° (1983) 0.13" NA
Aug 20 62° 82° 45° (1950) 98° (1983) 0.13" NA
Aug 21 62° 82° 47° (1950) 97° (2003) 0.13" NA
Aug 22 62° 82° 47° (1967) 93° (1968) 0.13" NA
Aug 23 61° 81° 50° (1951) 95° (1948) 0.13" NA
Aug 24 61° 81° 50° (1977) 96° (1948) 0.13" NA
Aug 25 61° 81° 47° (1958) 93° (1991) 0.13" NA
Aug 26 60° 81° 51° (1964) 94° (2003) 0.13" NA
Aug 27 60° 80° 50° (1968) 96° (1990) 0.13" NA
Aug 28 60° 80° 47° (1986) 96° (1984) 0.13" NA
Aug 29 60° 80° 50° (1965) 99° (1984) 0.13" NA
Aug 30 59° 79° 53° (1965) 95° (1984) 0.13" NA
Aug 31 59° 79° 45° (1967) 95° (1995) 0.13" NA
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