Matsuyama Threshold Days by Year (JA000047887)

12 fixed thresholds counted per year at Matsuyama (JA000047887): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Matsuyama Thresholds

Matsuyama: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 2025 with 89.
Matsuyama: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 2025 with 61.
Matsuyama: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1980 with 63.
Matsuyama: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1963 with 22.
12 fixed thresholds have at least one qualifying day at Matsuyama.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Matsuyama with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 2025.

Days at or above 30 C (86 F) per year at Matsuyama
Year	Days	Decade average
1951	43	57
1952	62	57
1953	53	57
1954	49	57
1955	68	57
1956	57	57
1957	47	57
1958	67	57
1959	67	57
1960	65	62.3
1961	86	62.3
1962	58	62.3
1963	56	62.3
1964	70	62.3
1965	55	62.3
1966	66	62.3
1967	64	62.3
1968	42	62.3
1969	61	62.3
1970	67	55.6
1971	55	55.6
1972	49	55.6
1973	55	55.6
1974	41	55.6
1975	66	55.6
1976	40	55.6
1977	54	55.6
1978	78	55.6
1979	51	55.6
1980	27	50.4
1981	55	50.4
1982	34	50.4
1983	55	50.4
1984	61	50.4
1985	68	50.4
1986	52	50.4
1987	58	50.4
1988	44	50.4
1989	50	50.4
1990	75	59.8
1991	63	59.8
1992	48	59.8
1993	26	59.8
1994	77	59.8
1995	62	59.8
1996	56	59.8
1997	58	59.8
1998	75	59.8
1999	58	59.8
2000	74	67.2
2001	59	67.2
2002	69	67.2
2003	54	67.2
2004	74	67.2
2005	68	67.2
2006	62	67.2
2007	74	67.2
2008	72	67.2
2009	66	67.2
2010	76	68.6
2011	71	68.6
2012	70	68.6
2016	60	68.6
2018	66	68.6
2025	89	77.5
2026	66	77.5

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

First to last qualifying date each year at Matsuyama
Year	First date	Last date
1951	1951-06-19	1951-09-01
1952	1952-06-29	1952-09-25
1953	1953-06-06	1953-09-16
1954	1954-07-08	1954-09-17
1955	1955-06-14	1955-09-23
1956	1956-06-04	1956-09-10
1957	1957-07-04	1957-09-06
1958	1958-05-30	1958-09-17
1959	1959-05-04	1959-09-25
1960	1960-06-27	1960-09-27
1961	1961-06-18	1961-10-06
1962	1962-07-10	1962-09-20
1963	1963-06-20	1963-09-01
1964	1964-07-01	1964-10-05
1965	1965-06-28	1965-08-31
1966	1966-06-23	1966-09-12
1967	1967-06-20	1967-09-29
1968	1968-07-16	1968-09-26
1969	1969-07-13	1969-09-26
1970	1970-07-03	1970-09-21
1971	1971-06-27	1971-09-25
1972	1972-06-30	1972-09-07
1973	1973-06-28	1973-09-02
1974	1974-06-03	1974-09-05
1975	1975-07-06	1975-09-23
1976	1976-06-08	1976-09-13
1977	1977-06-30	1977-09-14
1978	1978-06-17	1978-09-19
1979	1979-05-29	1979-09-19
1980	1980-06-16	1980-09-11
1981	1981-05-11	1981-09-03
1982	1982-05-13	1982-09-03
1983	1983-04-28	1983-09-19
1984	1984-06-15	1984-09-04
1985	1985-07-05	1985-09-20
1986	1986-06-11	1986-09-21
1987	1987-06-04	1987-09-14
1988	1988-07-02	1988-09-19
1989	1989-06-24	1989-09-17
1990	1990-06-18	1990-09-14
1991	1991-05-26	1991-09-27
1992	1992-07-10	1992-09-19
1993	1993-07-08	1993-09-17
1994	1994-05-16	1994-10-12
1995	1995-07-01	1995-09-10
1996	1996-06-16	1996-09-18
1997	1997-06-19	1997-09-13
1998	1998-04-28	1998-10-16
1999	1999-06-15	1999-10-11
2000	2000-05-25	2000-09-21
2001	2001-06-19	2001-09-20
2002	2002-06-06	2002-09-21
2003	2003-06-09	2003-10-12
2004	2004-05-30	2004-09-21
2005	2005-06-13	2005-10-02
2006	2006-06-27	2006-09-20
2007	2007-06-16	2007-10-08
2008	2008-06-29	2008-09-20
2009	2009-05-21	2009-09-28
2010	2010-06-19	2010-09-22
2011	2011-06-21	2011-09-19
2012	2012-06-10	2012-09-26
2016	2016-06-11	2016-10-05
2018	2018-05-18	2018-10-06
2025	2025-06-15	2025-10-08
2026	2026-06-20	2026-09-22

Every Fixed Threshold

Fixed thresholds at Matsuyama
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	89	2025	66
35 C (95 F): Days	43	14	2010	7
90 F (32.2 C): Days	66	61	2025	51
0 C (32 F): Ice days (max	2	1	1977	1
0 C (32 F): Frost days (min	41	47	1984	4
20 C (68 F): Tropical nights (min	41	125	2025	111
25 C (77 F): Days with min	40	60	2025	47
10 mm (0.39 in): Days with 10 mm or more rain	60	63	1980	25
25 mm (0.98 in): Days with 25 mm or more rain	60	22	1963	21
50 mm (1.97 in): Days with 50 mm or more rain	58	11	2011	18
100 mm (3.94 in): Days with 100 mm or more rain	27	2	1955	8
200 mm (7.87 in): Days with 200 mm or more rain	2	1	2018	5

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 Matsuyama 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).

Matsuyama Threshold Days by Year (JA000047887)

Key Facts for Matsuyama Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related