Number of Days of 90 °F in Slidell 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 Slidell, Louisiana, between 1956 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1986 holds the record for the most 90 °F days in Slidell history. There were 114 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 Slidell so far in 2024. As of April 27, the highest temperature this year is 85 °F.

The last time it reached at least 90° F was September 28, 2023.

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

Year	Rank	Days >= 90 °F
2024	69	0
2023	6	100
2022	21	81
2021	68	38
2020	63	44
2019	33	73
2018	33	73
2017	66	40
2016	41	67
2015	36	70
2014	64	42
2013	65	41
2012	61	46
2011	33	73
2010	38	69
2009	59	49
2008	52	59
2007	43	66
2006	18	82
2005	43	66
2004	53	58
2003	55	57
2002	38	69
2001	60	47
2000	36	70
1999	58	50
1998	8	98
1997	38	69
1996	47	65
1995	17	83
1994	66	40
1993	12	88
1992	32	74
1991	30	75
1990	6	100
1989	26	79
1988	30	75
1987	21	81
1986	1	114
1985	25	80
1984	49	62
1983	51	61
1982	5	101
1981	10	96
1980	4	103
1979	21	81
1978	29	76
1977	14	86
1976	43	66
1975	61	46
1974	55	57
1973	48	63
1972	2	109
1971	28	77
1970	53	58
1969	13	87
1968	15	85
1967	49	62
1966	41	67
1965	21	81
1964	16	84
1963	8	98
1962	3	106
1961	55	57
1960	11	92
1959	43	66
1958	18	82
1957	18	82
1956	26	79

Weather Station Details

Years	Station	Coordinates
1956–2024	Slidell	location