Nagasaki Threshold Days by Year (JA000047817)

12 fixed thresholds counted per year at Nagasaki (JA000047817): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nagasaki Thresholds

Nagasaki: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 2025 with 83.
Nagasaki: days with a maximum temperature at or above 90 F (32.2 C) in 65 years, most in 2025 with 53.
Nagasaki: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1980 with 64.
Nagasaki: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1957 with 34.
12 fixed thresholds have at least one qualifying day at Nagasaki.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Nagasaki with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 83 in 2025.

Days at or above 30 C (86 F) per year at Nagasaki
Year	Days	Decade average
1951	26	41.2
1952	50	41.2
1953	50	41.2
1954	42	41.2
1955	42	41.2
1956	40	41.2
1957	18	41.2
1958	51	41.2
1959	52	41.2
1960	57	54.7
1961	78	54.7
1962	43	54.7
1963	46	54.7
1964	62	54.7
1965	43	54.7
1966	57	54.7
1967	63	54.7
1968	42	54.7
1969	56	54.7
1970	47	48.4
1971	42	48.4
1972	35	48.4
1973	49	48.4
1974	42	48.4
1975	63	48.4
1976	33	48.4
1977	55	48.4
1978	71	48.4
1979	47	48.4
1980	21	43.1
1981	49	43.1
1982	32	43.1
1983	39	43.1
1984	55	43.1
1985	57	43.1
1986	49	43.1
1987	35	43.1
1988	42	43.1
1989	52	43.1
1990	74	52.8
1991	41	52.8
1992	40	52.8
1993	20	52.8
1994	73	52.8
1995	56	52.8
1996	54	52.8
1997	50	52.8
1998	71	52.8
1999	49	52.8
2000	57	60.7
2001	59	60.7
2002	57	60.7
2003	46	60.7
2004	77	60.7
2006	50	60.7
2007	74	60.7
2008	69	60.7
2009	57	60.7
2010	60	58.2
2011	64	58.2
2012	56	58.2
2018	65	58.2
2019	46	58.2
2025	83	75.5
2026	68	75.5

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

First to last qualifying date each year at Nagasaki
Year	First date	Last date
1951	1951-07-28	1951-08-27
1952	1952-07-12	1952-09-13
1953	1953-07-05	1953-09-19
1954	1954-07-21	1954-09-12
1955	1955-06-14	1955-08-26
1956	1956-07-13	1956-09-25
1957	1957-07-15	1957-09-05
1958	1958-06-21	1958-09-16
1959	1959-07-03	1959-09-24
1960	1960-06-07	1960-09-26
1961	1961-06-18	1961-10-05
1962	1962-07-09	1962-10-03
1963	1963-06-17	1963-09-15
1964	1964-07-01	1964-09-19
1965	1965-07-13	1965-09-24
1966	1966-07-06	1966-09-12
1967	1967-06-06	1967-09-29
1968	1968-07-18	1968-09-19
1969	1969-07-15	1969-09-26
1970	1970-07-03	1970-09-11
1971	1971-06-30	1971-09-24
1972	1972-07-07	1972-09-07
1973	1973-07-09	1973-08-31
1974	1974-07-03	1974-09-07
1975	1975-07-02	1975-10-02
1976	1976-06-30	1976-09-08
1977	1977-07-04	1977-09-14
1978	1978-06-16	1978-09-09
1979	1979-06-24	1979-09-25
1980	1980-06-06	1980-09-09
1981	1981-06-21	1981-09-23
1982	1982-06-30	1982-09-17
1983	1983-07-14	1983-09-11
1984	1984-06-13	1984-09-03
1985	1985-06-29	1985-09-19
1986	1986-06-24	1986-09-08
1987	1987-07-10	1987-09-14
1988	1988-07-02	1988-09-19
1989	1989-07-11	1989-09-17
1990	1990-06-18	1990-09-17
1991	1991-07-09	1991-09-26
1992	1992-07-20	1992-09-09
1993	1993-07-08	1993-09-17
1994	1994-06-26	1994-09-10
1995	1995-07-08	1995-09-15
1996	1996-06-06	1996-09-27
1997	1997-06-19	1997-09-14
1998	1998-05-22	1998-10-04
1999	1999-06-05	1999-10-11
2000	2000-06-30	2000-09-14
2001	2001-06-24	2001-09-14
2002	2002-06-05	2002-09-21
2003	2003-06-08	2003-10-12
2004	2004-06-03	2004-09-27
2006	2006-07-08	2006-09-09
2007	2007-05-28	2007-10-07
2008	2008-06-18	2008-09-25
2009	2009-06-18	2009-09-28
2010	2010-07-16	2010-09-22
2011	2011-06-22	2011-09-17
2012	2012-06-30	2012-09-15
2018	2018-06-09	2018-10-05
2019	2019-05-26	2019-10-02
2025	2025-06-17	2025-10-12
2026	2026-05-20	2026-10-03

Every Fixed Threshold

Fixed thresholds at Nagasaki
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	83	2025	68
35 C (95 F): Days	46	10	1960	10
90 F (32.2 C): Days	65	53	2025	47
0 C (32 F): Ice days (max	2	1	1967	1
0 C (32 F): Frost days (min	41	22	1977	2
20 C (68 F): Tropical nights (min	41	134	2025	128
25 C (77 F): Days with min	41	78	2025	59
10 mm (0.39 in): Days with 10 mm or more rain	59	64	1980	48
25 mm (0.98 in): Days with 25 mm or more rain	59	34	1957	40
50 mm (1.97 in): Days with 50 mm or more rain	59	16	1953	26
100 mm (3.94 in): Days with 100 mm or more rain	46	6	1953	17
200 mm (7.87 in): Days with 200 mm or more rain	11	2	1954	8

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

Data for Nagasaki 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).

Nagasaki Threshold Days by Year (JA000047817)

Key Facts for Nagasaki Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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