Shionomisaki Threshold Days by Year (JA000047778)

10 fixed thresholds counted per year at Shionomisaki (JA000047778): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shionomisaki Thresholds

Shionomisaki: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 2025 with 45.
Shionomisaki: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1972 with 86.
Shionomisaki: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1989 with 43.
Shionomisaki: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1998 with 22.
10 fixed thresholds have at least one qualifying day at Shionomisaki.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Shionomisaki with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2025.

Days at or above 30 C (86 F) per year at Shionomisaki
Year	Days	Decade average
1953	18	25.7
1955	23	25.7
1956	35	25.7
1957	16	25.7
1958	26	25.7
1959	36	25.7
1960	24	21.1
1961	33	21.1
1962	18	21.1
1963	9	21.1
1964	24	21.1
1965	19	21.1
1966	32	21.1
1967	32	21.1
1968	10	21.1
1969	10	21.1
1970	17	13.2
1971	10	13.2
1972	3	13.2
1973	16	13.2
1974	13	13.2
1975	8	13.2
1976	6	13.2
1977	20	13.2
1978	18	13.2
1979	21	13.2
1980	3	16.9
1981	11	16.9
1982	1	16.9
1983	33	16.9
1984	27	16.9
1985	27	16.9
1986	20	16.9
1987	20	16.9
1988	9	16.9
1989	18	16.9
1990	39	27.4
1991	20	27.4
1992	19	27.4
1993	3	27.4
1994	38	27.4
1995	38	27.4
1996	30	27.4
1997	18	27.4
1998	41	27.4
1999	28	27.4
2000	25	27.1
2001	33	27.1
2002	26	27.1
2004	31	27.1
2006	26	27.1
2007	30	27.1
2008	33	27.1
2009	13	27.1
2011	16	19
2012	15	19
2019	26	19
2025	45	40
2026	35	40

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

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

Every Fixed Threshold

Fixed thresholds at Shionomisaki
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	45	2025	35
90 F (32.2 C): Days	27	12	1956	7
0 C (32 F): Frost days (min	32	13	1977	1
20 C (68 F): Tropical nights (min	42	133	1998	120
25 C (77 F): Days with min	42	68	2025	40
10 mm (0.39 in): Days with 10 mm or more rain	52	86	1972	38
25 mm (0.98 in): Days with 25 mm or more rain	52	43	1989	29
50 mm (1.97 in): Days with 50 mm or more rain	52	22	1998	16
100 mm (3.94 in): Days with 100 mm or more rain	51	8	2019	12
200 mm (7.87 in): Days with 200 mm or more rain	17	2	1966	9

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Shionomisaki 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).

Shionomisaki Threshold Days by Year (JA000047778)

Key Facts for Shionomisaki Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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