Dublin Threshold Days by Year (USC00092839)

15 fixed thresholds counted per year at Dublin (USC00092839): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dublin Thresholds

Dublin: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1947 with 54.
Dublin: days with 25 mm (0.98 in) or more of precipitation in 96 years, most in 1964 with 28.
Dublin: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 1925 with 172.
Dublin: days with a maximum temperature at or above 35 C (95 F) in 95 years, most in 1954 with 99.
15 fixed thresholds have at least one qualifying day at Dublin.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Dublin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 172 in 1925.

Days at or above 30 C (86 F) per year at Dublin
Year	Days	Decade average
1893	128	128
1912	129	133.8
1913	136	133.8
1914	139	133.8
1915	162	133.8
1916	130	133.8
1917	121	133.8
1918	107	133.8
1919	146	133.8
1920	139	140.7
1921	135	140.7
1922	144	140.7
1923	126	140.7
1924	120	140.7
1925	172	140.7
1926	142	140.7
1927	167	140.7
1928	126	140.7
1929	136	140.7
1930	144	136.2
1931	144	136.2
1932	127	136.2
1933	138	136.2
1934	135	136.2
1935	132	136.2
1937	135	136.2
1938	133	136.2
1939	138	136.2
1940	136	134.7
1941	159	134.7
1942	136	134.7
1943	142	134.7
1944	126	134.7
1945	140	134.7
1946	125	134.7
1947	125	134.7
1948	131	134.7
1949	127	134.7
1950	129	140.3
1951	133	140.3
1952	127	140.3
1953	142	140.3
1954	160	140.3
1955	147	140.3
1956	135	140.3
1957	133	140.3
1958	155	140.3
1959	142	140.3
1961	137	130.2
1962	147	130.2
1963	135	130.2
1964	123	130.2
1965	136	130.2
1966	109	130.2
1967	126	130.2
1968	140	130.2
1969	119	130.2
1970	149	137.8
1971	148	137.8
1972	125	137.8
1973	142	137.8
1974	143	137.8
1975	136	137.8
1976	110	137.8
1977	150	137.8
1978	149	137.8
1979	126	137.8
1980	141	133.9
1981	130	133.9
1982	145	133.9
1983	132	133.9
1984	145	133.9
1985	138	133.9
1986	152	133.9
1987	133	133.9
1988	117	133.9
1989	106	133.9
1990	143	121.8
1991	112	121.8
1992	96	121.8
1993	133	121.8
1994	109	121.8
1995	131	121.8
1996	128	121.8
1997	110	121.8
1998	121	121.8
1999	135	121.8
2000	100	115.9
2001	123	115.9
2002	142	115.9
2003	109	115.9
2004	117	115.9
2005	124	115.9
2006	102	115.9
2008	110	115.9

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

First to last qualifying date each year at Dublin
Year	First date	Last date
1893	1893-04-04	1893-10-10
1912	1912-04-02	1912-10-14
1913	1913-03-27	1913-10-18
1914	1914-03-31	1914-10-14
1915	1915-04-09	1915-10-18
1916	1916-03-26	1916-10-20
1917	1917-04-18	1917-10-29
1918	1918-03-02	1918-10-30
1919	1919-04-13	1919-11-01
1920	1920-03-28	1920-10-26
1921	1921-03-15	1921-10-19
1922	1922-04-08	1922-10-30
1923	1923-03-05	1923-10-03
1924	1924-04-25	1924-10-20
1925	1925-03-08	1925-10-17
1926	1926-04-10	1926-10-20
1927	1927-03-17	1927-10-31
1928	1928-03-29	1928-11-18
1929	1929-03-24	1929-11-03
1930	1930-04-12	1930-10-17
1931	1931-04-30	1931-10-28
1932	1932-04-06	1932-10-24
1933	1933-05-03	1933-10-14
1934	1934-04-03	1934-10-23
1935	1935-03-20	1935-11-02
1937	1937-04-20	1937-10-31
1938	1938-03-22	1938-11-06
1939	1939-03-24	1939-10-27
1940	1940-04-01	1940-10-31
1941	1941-04-14	1941-10-23
1942	1942-03-16	1942-10-20
1943	1943-03-19	1943-10-24
1944	1944-04-16	1944-10-08
1945	1945-03-16	1945-10-13
1946	1946-03-30	1946-10-19
1947	1947-04-05	1947-10-10
1948	1948-03-20	1948-09-29
1949	1949-03-25	1949-10-26
1950	1950-04-24	1950-11-01
1951	1951-03-08	1951-10-07
1952	1952-04-22	1952-10-06
1953	1953-03-14	1953-10-12
1954	1954-03-24	1954-10-28
1955	1955-03-04	1955-10-13
1956	1956-04-27	1956-10-02
1957	1957-04-03	1957-09-23
1958	1958-04-20	1958-11-18
1959	1959-04-07	1959-10-10
1961	1961-03-06	1961-11-08
1962	1962-04-12	1962-10-18
1963	1963-03-13	1963-10-28
1964	1964-04-19	1964-11-18
1965	1965-03-25	1965-10-03
1966	1966-04-28	1966-10-11
1967	1967-03-13	1967-10-24
1968	1968-03-21	1968-10-13
1969	1969-04-04	1969-10-15
1970	1970-04-20	1970-10-16
1971	1971-04-18	1971-10-17
1972	1972-04-14	1972-10-24
1973	1973-03-15	1973-10-24
1974	1974-03-09	1974-11-04
1975	1975-04-20	1975-10-25
1976	1976-03-05	1976-09-28
1977	1977-04-04	1977-10-03
1978	1978-03-25	1978-10-28
1979	1979-03-21	1979-10-23
1980	1980-04-23	1980-10-19
1981	1981-05-01	1981-10-18
1982	1982-03-19	1982-11-03
1983	1983-04-07	1983-10-13
1984	1984-03-20	1984-10-31
1985	1985-03-31	1985-10-22
1986	1986-04-01	1986-11-10
1987	1987-04-14	1987-09-30
1988	1988-03-31	1988-10-02
1989	1989-03-19	1989-10-17
1990	1990-03-12	1990-10-18
1991	1991-03-28	1991-10-29
1992	1992-04-16	1992-09-24
1993	1993-04-13	1993-10-22
1994	1994-03-28	1994-10-24
1995	1995-03-24	1995-10-15
1996	1996-04-15	1996-10-30
1997	1997-03-23	1997-10-12
1998	1998-05-07	1998-11-30
1999	1999-04-02	1999-11-02
2000	2000-05-03	2000-10-05
2001	2001-04-09	2001-10-22
2002	2002-03-17	2002-10-12
2003	2003-04-30	2003-09-27
2004	2004-04-20	2004-10-04
2005	2005-05-09	2005-10-22
2006	2006-03-13	2006-10-21
2008	2008-04-03	2008-10-17

Every Fixed Threshold

Fixed thresholds at Dublin
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	172	1925	110
35 C (95 F): Days	95	99	1954	25
40 C (104 F): Days	31	10	1925	1
90 F (32.2 C): Days	95	137	1925	68
100 F (37.8 C): Days	77	41	1954	2
0 C (32 F): Ice days (max	23	4	1917	1
0 C (32 F): Frost days (min	91	88	1968	50
-10 C (14 F): Days with min	32	6	1917	2
20 C (68 F): Tropical nights (min	91	112	1939	69
25 C (77 F): Days with min	24	5	1943	2
10 mm (0.39 in): Days with 10 mm or more rain	96	54	1947	33
25 mm (0.98 in): Days with 25 mm or more rain	96	28	1964	11
50 mm (1.97 in): Days with 50 mm or more rain	90	9	1991	2
100 mm (3.94 in): Days with 100 mm or more rain	24	2	1928	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	2	1973	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Dublin 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Dublin Threshold Days by Year (USC00092839)

Key Facts for Dublin Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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