Morioka Threshold Days by Year (JA000047584)

12 fixed thresholds counted per year at Morioka (JA000047584): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Morioka Thresholds

Morioka: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 2025 with 51.
Morioka: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1984 with 41.
Morioka: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1979 with 52.
Morioka: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1972 with 20.
12 fixed thresholds have at least one qualifying day at Morioka.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Morioka with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 2025.

Days at or above 30 C (86 F) per year at Morioka
Year	Days	Decade average
1951	28	16.7
1952	12	16.7
1953	11	16.7
1954	16	16.7
1955	41	16.7
1956	16	16.7
1957	9	16.7
1958	11	16.7
1959	6	16.7
1960	13	15.8
1961	22	15.8
1962	18	15.8
1963	13	15.8
1964	20	15.8
1965	7	15.8
1966	12	15.8
1967	29	15.8
1968	11	15.8
1969	13	15.8
1970	22	19.9
1971	14	19.9
1972	18	19.9
1973	29	19.9
1974	14	19.9
1975	28	19.9
1976	9	19.9
1977	16	19.9
1978	38	19.9
1979	11	19.9
1980	4	17.3
1981	12	17.3
1982	11	17.3
1983	12	17.3
1984	27	17.3
1985	35	17.3
1986	16	17.3
1987	13	17.3
1988	17	17.3
1989	26	17.3
1990	25	17.3
1991	3	17.3
1992	14	17.3
1993	1	17.3
1994	48	17.3
1996	9	17.3
1998	7	17.3
1999	31	17.3
2000	34	17.8
2002	20	17.8
2003	4	17.8
2004	15	17.8
2006	19	17.8
2007	22	17.8
2008	13	17.8
2009	15	17.8
2010	50	36.2
2011	27	36.2
2012	49	36.2
2016	23	36.2
2018	39	36.2
2019	29	36.2
2025	51	38.5
2026	26	38.5

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

First to last qualifying date each year at Morioka
Year	First date	Last date
1951	1951-05-30	1951-08-27
1952	1952-06-27	1952-08-15
1953	1953-07-01	1953-08-12
1954	1954-08-02	1954-09-15
1955	1955-07-02	1955-08-30
1956	1956-07-07	1956-09-10
1957	1957-07-16	1957-08-25
1958	1958-06-22	1958-08-03
1959	1959-07-25	1959-08-20
1960	1960-07-19	1960-08-31
1961	1961-07-05	1961-09-06
1962	1962-07-22	1962-08-22
1963	1963-07-26	1963-08-10
1964	1964-07-25	1964-08-22
1965	1965-08-06	1965-08-29
1966	1966-07-28	1966-09-08
1967	1967-06-01	1967-08-27
1968	1968-07-24	1968-08-10
1969	1969-05-10	1969-08-22
1970	1970-06-08	1970-09-09
1971	1971-05-13	1971-08-28
1972	1972-06-06	1972-08-18
1973	1973-07-13	1973-08-27
1974	1974-05-18	1974-09-03
1975	1975-07-24	1975-09-07
1976	1976-07-09	1976-07-31
1977	1977-07-04	1977-08-05
1978	1978-06-10	1978-08-22
1979	1979-07-10	1979-08-19
1980	1980-05-30	1980-06-08
1981	1981-07-13	1981-08-02
1982	1982-07-09	1982-08-21
1983	1983-08-01	1983-08-20
1984	1984-07-20	1984-08-21
1985	1985-07-20	1985-09-05
1986	1986-06-15	1986-09-02
1987	1987-06-06	1987-09-15
1988	1988-05-20	1988-08-28
1989	1989-07-08	1989-08-23
1990	1990-07-23	1990-09-03
1991	1991-07-29	1991-08-30
1992	1992-07-06	1992-09-01
1993	1993-08-25	1993-08-25
1994	1994-07-13	1994-09-06
1996	1996-07-19	1996-08-18
1998	1998-07-26	1998-09-12
1999	1999-06-14	1999-09-04
2000	2000-05-26	2000-09-15
2002	2002-06-08	2002-09-04
2003	2003-06-22	2003-08-22
2004	2004-06-21	2004-08-10
2006	2006-08-03	2006-08-25
2007	2007-06-13	2007-09-21
2008	2008-06-21	2008-09-06
2009	2009-06-26	2009-08-16
2010	2010-06-19	2010-09-06
2011	2011-06-20	2011-09-09
2012	2012-06-28	2012-09-19
2016	2016-05-22	2016-09-06
2018	2018-06-04	2018-09-05
2019	2019-05-26	2019-09-09
2025	2025-06-18	2025-09-08
2026	2026-06-01	2026-08-26

Every Fixed Threshold

Fixed thresholds at Morioka
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	51	2025	26
35 C (95 F): Days	15	5	2012	5
90 F (32.2 C): Days	58	28	2012	5
0 C (32 F): Ice days (max	63	41	1984	14
0 C (32 F): Frost days (min	41	153	1974	66
-10 C (14 F): Days with min	40	28	1984	2
20 C (68 F): Tropical nights (min	41	69	2025	48
25 C (77 F): Days with min	2	2	2025	1
10 mm (0.39 in): Days with 10 mm or more rain	59	52	1979	19
25 mm (0.98 in): Days with 25 mm or more rain	59	20	1972	13
50 mm (1.97 in): Days with 50 mm or more rain	54	7	1958	9
100 mm (3.94 in): Days with 100 mm or more rain	14	1	1958	4

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 Morioka 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).

Morioka Threshold Days by Year (JA000047584)

Key Facts for Morioka Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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