Hikone Threshold Days by Year (JA000047761)

11 fixed thresholds counted per year at Hikone (JA000047761): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hikone Thresholds

Hikone: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 2025 with 80.
Hikone: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 2025 with 61.
Hikone: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1980 with 70.
Hikone: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1980 with 28.
11 fixed thresholds have at least one qualifying day at Hikone.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Hikone with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 2025.

Days at or above 30 C (86 F) per year at Hikone
Year	Days	Decade average
1951	42	43.6
1952	45	43.6
1953	28	43.6
1954	40	43.6
1955	61	43.6
1956	46	43.6
1957	31	43.6
1958	46	43.6
1959	53	43.6
1960	51	52
1961	71	52
1962	55	52
1963	53	52
1964	58	52
1965	41	52
1966	54	52
1967	59	52
1968	33	52
1969	45	52
1970	50	46.5
1971	38	46.5
1972	47	46.5
1973	51	46.5
1974	41	46.5
1975	47	46.5
1976	29	46.5
1977	45	46.5
1978	69	46.5
1979	48	46.5
1980	14	40.7
1981	46	40.7
1982	25	40.7
1983	44	40.7
1984	50	40.7
1985	58	40.7
1986	43	40.7
1987	55	40.7
1988	27	40.7
1989	45	40.7
1994	69	49.4
1996	43	49.4
1997	40	49.4
1998	51	49.4
1999	44	49.4
2000	69	49.9
2002	57	49.9
2003	36	49.9
2004	55	49.9
2006	47	49.9
2007	46	49.9
2008	53	49.9
2009	36	49.9
2010	65	57.4
2011	77	57.4
2013	62	57.4
2014	45	57.4
2015	42	57.4
2016	58	57.4
2017	51	57.4
2018	66	57.4
2019	51	57.4
2020	53	60.2
2021	46	60.2
2022	69	60.2
2025	80	60.2
2026	53	60.2

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

First to last qualifying date each year at Hikone
Year	First date	Last date
1951	1951-07-09	1951-08-31
1952	1952-06-06	1952-09-12
1953	1953-07-02	1953-09-14
1954	1954-07-24	1954-09-16
1955	1955-06-23	1955-09-13
1956	1956-06-20	1956-09-11
1957	1957-07-08	1957-08-31
1958	1958-05-30	1958-09-16
1959	1959-07-02	1959-09-18
1960	1960-06-27	1960-09-17
1961	1961-06-20	1961-10-03
1962	1962-07-01	1962-09-20
1963	1963-06-18	1963-09-05
1964	1964-07-01	1964-09-19
1965	1965-06-28	1965-09-04
1966	1966-06-25	1966-09-25
1967	1967-05-31	1967-09-11
1968	1968-07-13	1968-08-25
1969	1969-07-15	1969-09-16
1970	1970-07-14	1970-09-17
1971	1971-06-26	1971-08-29
1972	1972-06-11	1972-09-08
1973	1973-06-30	1973-09-03
1974	1974-05-18	1974-09-07
1975	1975-07-07	1975-09-21
1976	1976-07-16	1976-08-23
1977	1977-07-02	1977-09-14
1978	1978-06-15	1978-09-19
1979	1979-06-18	1979-09-21
1980	1980-06-17	1980-09-11
1981	1981-06-29	1981-09-03
1982	1982-05-11	1982-09-02
1983	1983-07-03	1983-09-12
1984	1984-06-19	1984-09-04
1985	1985-07-05	1985-09-19
1986	1986-07-17	1986-09-21
1987	1987-06-05	1987-09-10
1988	1988-07-08	1988-09-12
1989	1989-06-25	1989-09-15
1994	1994-07-01	1994-09-11
1996	1996-06-16	1996-08-31
1997	1997-06-26	1997-09-12
1998	1998-06-18	1998-09-20
1999	1999-06-16	1999-10-02
2000	2000-06-20	2000-09-16
2002	2002-06-10	2002-09-12
2003	2003-05-31	2003-09-19
2004	2004-05-30	2004-09-21
2006	2006-06-27	2006-09-18
2007	2007-07-25	2007-09-22
2008	2008-07-03	2008-09-12
2009	2009-06-26	2009-09-07
2010	2010-06-12	2010-09-22
2011	2011-06-21	2011-09-19
2013	2013-06-12	2013-10-11
2014	2014-06-01	2014-09-07
2015	2015-06-25	2015-08-28
2016	2016-05-24	2016-09-08
2017	2017-07-01	2017-09-10
2018	2018-06-25	2018-10-06
2019	2019-05-25	2019-10-03
2020	2020-06-05	2020-09-17
2021	2021-06-10	2021-08-31
2022	2022-05-30	2022-09-18
2025	2025-06-16	2025-09-18
2026	2026-05-18	2026-09-13

Every Fixed Threshold

Fixed thresholds at Hikone
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	80	2025	53
35 C (95 F): Days	38	22	2018	8
90 F (32.2 C): Days	66	61	2025	35
0 C (32 F): Ice days (max	10	3	1977	1
0 C (32 F): Frost days (min	41	74	1970	16
20 C (68 F): Tropical nights (min	41	109	2025	108
25 C (77 F): Days with min	37	64	2025	43
10 mm (0.39 in): Days with 10 mm or more rain	57	70	1980	21
25 mm (0.98 in): Days with 25 mm or more rain	57	28	1980	16
50 mm (1.97 in): Days with 50 mm or more rain	57	9	1972	8
100 mm (3.94 in): Days with 100 mm or more rain	21	4	1959	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 Hikone 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).

Hikone Threshold Days by Year (JA000047761)

Key Facts for Hikone Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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