Number of Days of 90 °F in Sioux City 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 Sioux City, Iowa, between 1948 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 2012 holds the record for the most 90 °F days in Sioux City history. There were 56 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 Sioux City so far in 2024. As of April 26, the highest temperature this year is 86 °F.

The last time it reached at least 90° F was October 1, 2023.

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

Year	Rank	Days >= 90 °F
2024	77	0
2023	12	39
2022	3	47
2021	25	33
2020	14	37
2019	66	14
2018	44	25
2017	28	32
2016	28	32
2015	71	11
2014	74	8
2013	45	24
2012	1	56
2011	25	33
2010	48	23
2009	62	15
2008	75	4
2007	36	28
2006	14	37
2005	3	47
2004	56	18
2003	51	22
2002	10	42
2001	38	27
2000	45	24
1999	48	23
1998	45	24
1997	51	22
1996	62	15
1995	14	37
1994	66	14
1993	73	9
1992	76	3
1991	32	31
1990	14	37
1989	40	26
1988	6	46
1987	14	37
1986	51	22
1985	55	19
1984	72	10
1983	9	43
1982	62	15
1981	51	22
1980	14	37
1979	59	16
1978	34	30
1977	56	18
1976	21	36
1975	40	26
1974	22	35
1973	28	32
1972	40	26
1971	36	28
1970	11	41
1969	69	12
1968	23	34
1967	66	14
1966	48	23
1965	58	17
1964	40	26
1963	38	27
1962	59	16
1961	62	15
1960	35	29
1959	13	38
1958	32	31
1957	25	33
1956	3	47
1955	2	55
1954	23	34
1953	7	44
1952	14	37
1951	59	16
1950	69	12
1949	28	32
1948	7	44

Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location