Number of Days of 90 °F in Dubuque by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 90 degrees Fahrenheit in Dubuque, Iowa, between 1938 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1988 holds the record for the most 90 °F days in Dubuque history. There were 37 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 degrees Fahrenheit in Dubuque so far in 2024. As of April 24, the highest temperature this year is 82 °F.

The last time it reached at least 90° F was September 4, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 90 °F
2024	76	0
2023	16	11
2022	23	10
2021	27	8
2020	16	11
2019	58	3
2018	27	8
2017	67	2
2016	67	2
2015	54	4
2014	76	0
2013	41	7
2012	3	27
2011	23	10
2010	67	2
2009	67	2
2008	76	0
2007	58	3
2006	27	8
2005	10	15
2004	76	0
2003	27	8
2002	58	3
2001	23	10
2000	58	3
1999	41	7
1998	58	3
1997	58	3
1996	67	2
1995	7	20
1994	48	6
1993	76	0
1992	76	0
1991	8	16
1990	48	6
1989	27	8
1988	1	37
1987	10	15
1986	58	3
1985	51	5
1984	41	7
1983	2	33
1982	76	0
1981	58	3
1980	12	14
1979	76	0
1978	27	8
1977	27	8
1976	27	8
1975	27	8
1974	27	8
1973	27	8
1972	41	7
1971	58	3
1970	27	8
1969	54	4
1968	51	5
1967	54	4
1966	16	11
1965	51	5
1964	15	12
1963	26	9
1962	74	1
1961	67	2
1960	27	8
1959	54	4
1958	67	2
1957	41	7
1956	27	8
1955	5	23
1954	16	11
1953	8	16
1952	14	13
1951	74	1
1950	76	0
1949	41	7
1948	12	14
1947	6	21
1946	16	11
1945	41	7
1944	16	11
1943	16	11
1942	48	6
1941	4	25
1940	76	0
1939	76	0
1938	76	0

Weather Station Details

Years	Station	Coordinates
1951–2024	Dubuque Regional Airport	location
1938–1950	Dubuque L&D 11	location