Number of Days of 90 °F in Key West 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 Key West, Florida, between 1948 and 2024.
Also see:
Which year had the most 90° days?
Based on NOAA records, the year 2023 holds the record for the most 90 °F days in Key West history. There were 102 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 Key West so far in 2024. As of April 24, the highest temperature this year is 87 °F.
The last time it reached at least 90° F was October 15, 2023.
  • Years marked with a gold background have more than 5% incomplete data
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Year Rank Days >= 90 °F
2024 74 0
2023 1 102
2022 52 36
2021 60 25
2020 11 81
2019 26 60
2018 12 80
2017 27 58
2016 21 64
2015 18 69
2014 21 64
2013 67 9
2012 70 5
2011 35 52
2010 36 51
2009 2 98
2008 51 37
2007 4 91
2006 54 34
2005 38 50
2004 42 44
2003 24 61
2002 48 40
2001 55 32
2000 42 44
1999 46 42
1998 14 74
1997 40 45
1996 48 40
1995 7 86
1994 31 54
1993 12 80
1992 31 54
1991 3 94
1990 5 90
1989 7 86
1988 50 38
1987 9 85
1986 45 43
1985 39 46
1984 68 7
1983 62 21
1982 42 44
1981 33 53
1980 30 55
1979 16 72
1978 17 71
1977 70 5
1976 58 28
1975 57 30
1974 68 7
1973 63 15
1972 63 15
1971 70 5
1970 73 2
1969 59 27
1968 61 23
1967 23 63
1966 66 10
1965 47 41
1964 55 32
1963 18 69
1962 14 74
1961 40 45
1960 33 53
1959 53 35
1958 36 51
1957 29 57
1956 74 0
1955 74 0
1954 74 0
1953 65 13
1952 10 82
1951 6 88
1950 27 58
1949 20 66
1948 24 61
Weather Station Details
Years Station Coordinates
1948–2024 Key West International Airport location