Number of Days Below 0 °F in Sioux City by Year

This page contains a list of the number of days in each year that the low temperature fell below 0 degrees Fahrenheit in Sioux City, Iowa, between 1948 and 2024.

Also see:

Which year had the most days below 0°?

Based on NOAA records, the year 1978 holds the Sioux City record. There were 44 days with a low temperature below 0 degrees that year.

How many days below 0° so far?

As of April 26, there have been 7 days this year where the low temperature has fallen below 0 degrees Fahrenheit in Sioux City, Iowa.

The last time it fell below 0° F was January 20, 2024.

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

Year	Rank	Days < 0 °F
2024	71	7
2023	70	8
2022	21	21
2021	54	12
2020	58	11
2019	44	14
2018	39	16
2017	72	6
2016	60	10
2015	24	20
2014	11	27
2013	48	13
2012	72	6
2011	30	18
2010	21	21
2009	30	18
2008	8	29
2007	35	17
2006	75	3
2005	44	14
2004	30	18
2003	54	12
2002	72	6
2001	44	14
2000	39	16
1999	60	10
1998	60	10
1997	39	16
1996	8	29
1995	68	9
1994	14	25
1993	35	17
1992	75	3
1991	48	13
1990	60	10
1989	13	26
1988	21	21
1987	75	3
1986	58	11
1985	14	25
1984	60	10
1983	24	20
1982	5	32
1981	54	12
1980	54	12
1979	2	38
1978	1	44
1977	16	24
1976	30	18
1975	28	19
1974	48	13
1973	60	10
1972	4	33
1971	48	13
1970	17	23
1969	24	20
1968	48	13
1967	48	13
1966	30	18
1965	28	19
1964	60	10
1963	3	35
1962	11	27
1961	17	23
1960	6	30
1959	35	17
1958	17	23
1957	44	14
1956	42	15
1955	42	15
1954	60	10
1953	68	9
1952	35	17
1951	6	30
1950	8	29
1949	20	22
1948	24	20

Weather Station Details

Years	Station	Coordinates
1948–2024	Sioux City Gateway Airport	location