Number of Days of 90 °F in San Juan 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 San Juan, Puerto Rico, between 1956 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1983 holds the record for the most 90 °F days in San Juan history. There were 172 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

As of April 26, there have been 13 days this year where the high temperature has reached at least 90 degrees Fahrenheit in San Juan, Puerto Rico.

The last time it reached at least 90° F was April 7, 2024.

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

Year	Rank	Days >= 90 °F
2024	69	13
2023	4	134
2022	37	59
2021	21	82
2020	7	111
2019	20	83
2018	59	25
2017	23	78
2016	35	63
2015	11	105
2014	9	108
2013	26	75
2012	13	102
2011	53	34
2010	33	65
2009	18	89
2008	44	50
2007	15	93
2006	30	72
2005	8	109
2004	42	52
2003	52	35
2002	38	58
2001	25	76
2000	55	33
1999	47	40
1998	40	57
1997	32	70
1996	61	23
1995	6	118
1994	22	81
1993	14	101
1992	26	75
1991	24	77
1990	19	87
1989	43	51
1988	15	93
1987	10	107
1986	49	37
1985	31	71
1984	12	104
1983	1	172
1982	5	121
1981	3	152
1980	2	164
1979	34	64
1978	17	90
1977	61	23
1976	56	31
1975	65	19
1974	36	62
1973	29	73
1972	40	57
1971	28	74
1970	64	20
1969	58	26
1968	59	25
1967	63	22
1966	67	17
1965	68	14
1964	50	36
1963	53	34
1962	50	36
1961	45	45
1960	38	58
1959	46	42
1958	48	38
1957	57	27
1956	65	19

Weather Station Details

Years	Station	Coordinates
1956–2024	San Juan Airport	location