Miyakonojo Threshold Days by Year (JA000047829)

12 fixed thresholds counted per year at Miyakonojo (JA000047829): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Miyakonojo Thresholds

Miyakonojo: days with a maximum temperature at or above 30 C (86 F) in 67 years, most in 2016 with 90.
Miyakonojo: days with a maximum temperature at or above 90 F (32.2 C) in 67 years, most in 2013 with 60.
Miyakonojo: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 2015 with 83.
Miyakonojo: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 2015 with 49.
12 fixed thresholds have at least one qualifying day at Miyakonojo.

Days at or above 30 C (86 F)

67 years with a qualifying day

Days per year at Miyakonojo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 2016.

Days at or above 30 C (86 F) per year at Miyakonojo
Year	Days	Decade average
1951	42	56.2
1952	53	56.2
1953	52	56.2
1954	43	56.2
1955	59	56.2
1956	61	56.2
1957	47	56.2
1958	86	56.2
1959	63	56.2
1960	77	64.4
1961	82	64.4
1962	63	64.4
1963	65	64.4
1964	68	64.4
1965	51	64.4
1966	56	64.4
1967	66	64.4
1968	45	64.4
1969	71	64.4
1970	55	56.7
1971	60	56.7
1972	53	56.7
1973	56	56.7
1974	50	56.7
1975	56	56.7
1976	37	56.7
1977	71	56.7
1978	65	56.7
1979	64	56.7
1980	57	60.2
1981	69	60.2
1982	41	60.2
1983	61	60.2
1984	58	60.2
1985	75	60.2
1986	63	60.2
1987	60	60.2
1988	66	60.2
1989	52	60.2
1994	73	67.6
1995	65	67.6
1996	62	67.6
1997	58	67.6
1998	80	67.6
2000	67	75.2
2002	73	75.2
2003	67	75.2
2004	71	75.2
2005	80	75.2
2006	69	75.2
2007	86	75.2
2008	83	75.2
2009	81	75.2
2010	76	70.8
2011	69	70.8
2012	64	70.8
2013	85	70.8
2014	64	70.8
2015	52	70.8
2016	90	70.8
2017	76	70.8
2018	76	70.8
2019	56	70.8
2021	89	84.3
2022	84	84.3
2025	89	84.3
2026	75	84.3

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

First to last qualifying date each year at Miyakonojo
Year	First date	Last date
1951	1951-06-19	1951-09-04
1952	1952-05-15	1952-09-13
1953	1953-06-21	1953-09-23
1954	1954-07-07	1954-09-24
1955	1955-06-24	1955-09-18
1956	1956-06-03	1956-09-23
1957	1957-06-04	1957-09-17
1958	1958-05-28	1958-09-22
1959	1959-05-29	1959-09-24
1960	1960-06-06	1960-09-27
1961	1961-06-18	1961-10-20
1962	1962-05-30	1962-09-22
1963	1963-05-25	1963-09-16
1964	1964-06-30	1964-09-22
1965	1965-07-09	1965-09-03
1966	1966-06-23	1966-09-14
1967	1967-06-05	1967-09-18
1968	1968-06-06	1968-10-06
1969	1969-05-08	1969-09-26
1970	1970-05-18	1970-09-25
1971	1971-06-17	1971-09-25
1972	1972-06-10	1972-09-11
1973	1973-06-15	1973-09-01
1974	1974-05-28	1974-09-06
1975	1975-07-04	1975-09-24
1976	1976-07-11	1976-09-01
1977	1977-06-03	1977-09-19
1978	1978-06-13	1978-09-19
1979	1979-05-29	1979-09-25
1980	1980-05-11	1980-10-18
1981	1981-06-07	1981-09-02
1982	1982-06-09	1982-09-20
1983	1983-05-12	1983-09-24
1984	1984-06-08	1984-10-03
1985	1985-06-22	1985-09-24
1986	1986-05-18	1986-09-11
1987	1987-05-24	1987-09-16
1988	1988-05-18	1988-09-19
1989	1989-06-06	1989-09-27
1994	1994-06-02	1994-09-29
1995	1995-05-27	1995-09-16
1996	1996-05-26	1996-09-19
1997	1997-05-05	1997-09-18
1998	1998-06-24	1998-10-03
2000	2000-05-24	2000-09-21
2002	2002-05-26	2002-10-05
2003	2003-06-20	2003-09-26
2004	2004-04-21	2004-09-27
2005	2005-06-03	2005-10-07
2006	2006-05-24	2006-09-16
2007	2007-05-27	2007-10-08
2008	2008-05-03	2008-09-25
2009	2009-05-08	2009-09-28
2010	2010-06-16	2010-09-22
2011	2011-06-22	2011-09-18
2012	2012-06-06	2012-09-28
2013	2013-05-24	2013-10-10
2014	2014-05-29	2014-09-25
2015	2015-05-26	2015-09-25
2016	2016-05-26	2016-10-08
2017	2017-05-29	2017-10-12
2018	2018-05-14	2018-09-23
2019	2019-05-24	2019-10-04
2021	2021-05-10	2021-10-16
2022	2022-05-22	2022-10-05
2025	2025-06-13	2025-10-16
2026	2026-05-17	2026-09-27

Every Fixed Threshold

Fixed thresholds at Miyakonojo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	67	90	2016	75
35 C (95 F): Days	35	14	1994	10
90 F (32.2 C): Days	67	60	2013	38
100 F (37.8 C): Days	1	0	n/a	1
0 C (32 F): Frost days (min	41	71	1967	25
20 C (68 F): Tropical nights (min	41	128	2025	119
25 C (77 F): Days with min	33	23	2025	43
10 mm (0.39 in): Days with 10 mm or more rain	53	83	2015	37
25 mm (0.98 in): Days with 25 mm or more rain	53	49	2015	31
50 mm (1.97 in): Days with 50 mm or more rain	53	24	2016	21
100 mm (3.94 in): Days with 100 mm or more rain	47	7	1971	11
200 mm (7.87 in): Days with 200 mm or more rain	19	3	1971	6

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 Miyakonojo 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).

Miyakonojo Threshold Days by Year (JA000047829)

Key Facts for Miyakonojo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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