Guantanamo Bay NAS Threshold Days by Year (CUW00011706)

10 fixed thresholds counted per year at Guantanamo Bay NAS (CUW00011706): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guantanamo Bay NAS Thresholds

Guantanamo Bay NAS: days with a maximum temperature at or above 30 C (86 F) in 72 years, most in 1992 with 364.
Guantanamo Bay NAS: days with a maximum temperature at or above 90 F (32.2 C) in 72 years, most in 1988 with 302.
Guantanamo Bay NAS: nights with a minimum temperature at or above 20 C (68 F) in 72 years, most in 1990 with 365.
Guantanamo Bay NAS: nights with a minimum temperature at or above 25 C (77 F) in 72 years, most in 1994 with 154.
10 fixed thresholds have at least one qualifying day at Guantanamo Bay NAS.

Days at or above 30 C (86 F)

72 years with a qualifying day

Days per year at Guantanamo Bay NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 364 in 1992.

Days at or above 30 C (86 F) per year at Guantanamo Bay NAS
Year	Days	Decade average
1946	205	236.3
1947	254	236.3
1948	318	236.3
1949	168	236.3
1950	146	265.8
1951	203	265.8
1952	226	265.8
1953	242	265.8
1954	317	265.8
1955	280	265.8
1956	289	265.8
1957	314	265.8
1958	297	265.8
1959	344	265.8
1960	300	280.9
1961	312	280.9
1962	311	280.9
1963	309	280.9
1964	321	280.9
1965	293	280.9
1966	290	280.9
1967	230	280.9
1968	210	280.9
1969	233	280.9
1970	192	226.9
1971	172	226.9
1972	214	226.9
1973	234	226.9
1974	211	226.9
1975	246	226.9
1976	185	226.9
1977	302	226.9
1978	257	226.9
1979	256	226.9
1980	280	340.2
1981	310	340.2
1982	342	340.2
1983	352	340.2
1984	357	340.2
1985	355	340.2
1986	346	340.2
1987	351	340.2
1988	357	340.2
1989	352	340.2
1990	363	321.9
1991	351	321.9
1992	364	321.9
1993	330	321.9
1994	354	321.9
1995	335	321.9
1996	278	321.9
1997	269	321.9
1998	253	321.9
2001	239	247.5
2002	256	247.5
2010	228	294.8
2011	250	294.8
2012	262	294.8
2013	239	294.8
2014	309	294.8
2015	359	294.8
2016	342	294.8
2017	325	294.8
2018	334	294.8
2019	300	294.8
2020	347	316.3
2021	339	316.3
2022	345	316.3
2023	338	316.3
2024	331	316.3
2025	318	316.3
2026	196	316.3

For each year, a bar from the first to the last day at Guantanamo Bay NAS meeting 30 C (86 F).

First to last qualifying date each year at Guantanamo Bay NAS
Year	First date	Last date
1946	1946-01-17	1946-12-28
1947	1947-01-03	1947-12-31
1948	1948-01-01	1948-12-28
1949	1949-04-03	1949-12-15
1950	1950-03-07	1950-11-13
1951	1951-04-12	1951-12-31
1952	1952-03-01	1952-12-08
1953	1953-02-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-02	1955-12-28
1956	1956-01-28	1956-12-30
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-22
1962	1962-01-04	1962-12-29
1963	1963-01-10	1963-12-30
1964	1964-01-01	1964-12-23
1965	1965-01-01	1965-12-27
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-19
1968	1968-04-03	1968-12-31
1969	1969-01-01	1969-12-01
1970	1970-03-18	1970-12-18
1971	1971-04-22	1971-12-24
1972	1972-01-05	1972-12-26
1973	1973-01-07	1973-12-19
1974	1974-01-09	1974-12-26
1975	1975-01-09	1975-12-02
1976	1976-03-15	1976-12-22
1977	1977-01-01	1977-12-30
1978	1978-01-01	1978-12-30
1979	1979-01-02	1979-12-29
1980	1980-01-02	1980-12-26
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-02	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-06	1996-12-31
1997	1997-01-02	1997-12-29
1998	1998-01-02	1998-12-31
2001	2001-02-04	2001-12-23
2002	2002-01-14	2002-12-28
2010	2010-01-03	2010-12-11
2011	2011-01-11	2011-12-30
2012	2012-01-03	2012-12-30
2013	2013-01-02	2013-12-31
2014	2014-01-02	2014-12-31
2015	2015-01-01	2015-12-31
2016	2016-01-02	2016-12-30
2017	2017-01-02	2017-12-31
2018	2018-01-02	2018-12-31
2019	2019-01-04	2019-12-31
2020	2020-01-01	2020-12-31
2021	2021-01-01	2021-12-31
2022	2022-01-06	2022-12-31
2023	2023-01-01	2023-12-29
2024	2024-01-02	2024-12-31
2025	2025-01-01	2025-12-31
2026	2026-01-09	2026-10-12

Every Fixed Threshold

Fixed thresholds at Guantanamo Bay NAS
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	72	364	1992	196
35 C (95 F): Days	58	92	1987	4
90 F (32.2 C): Days	72	302	1988	106
100 F (37.8 C): Days	6	3	2018	2
20 C (68 F): Tropical nights (min	72	365	1990	264
25 C (77 F): Days with min	72	154	1994	97
10 mm (0.39 in): Days with 10 mm or more rain	58	27	1995	5
25 mm (0.98 in): Days with 25 mm or more rain	56	13	1955	17
50 mm (1.97 in): Days with 50 mm or more rain	48	8	1948	6
100 mm (3.94 in): Days with 100 mm or more rain	15	4	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.

Download the Data

Data for Guantanamo Bay NAS threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Guantanamo Bay NAS Threshold Days by Year (CUW00011706)

Key Facts for Guantanamo Bay NAS Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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