Ireland Weather Records in 2018

306 weather records set or tied in Ireland in 2018, by type, with the calendar of record highs and lows and the records that still stand.

Key Facts for Ireland in 2018

306 weather records were set or tied in Ireland in 2018.
144 were record highs and 104 were record lows, counting maximum and minimum temperature.
397 records set in 2018 still stand in Ireland.

Records per Year, by Type

2018 outlined

Records set or tied in Ireland each year from 1897 to 2026, stacked by type. 2018 had 306.

Weather records per year in Ireland, stacked by type, 2018 outlined
Year	Highest daily maximum	Lowest daily maximum	Highest daily minimum	Lowest daily minimum	Heaviest daily rainfall	Total
1897	7	11	0	0	12	30
1898	11	6	26	9	13	65
1899	7	4	16	12	8	47
1900	4	14	14	5	16	53
1901	0	10	12	5	8	35
1902	6	30	15	31	16	98
1903	7	23	9	30	24	93
1904	9	13	16	12	18	68
1905	6	10	15	13	9	53
1906	17	22	25	11	15	90
1907	7	15	13	15	16	66
1908	23	17	26	15	8	89
1909	9	14	10	27	12	72
1910	1	16	6	11	21	55
1911	16	8	12	5	4	45
1912	9	31	26	32	8	106
1913	6	5	4	31	10	56
1914	7	4	13	13	11	48
1915	5	14	6	19	26	70
1916	8	16	13	8	30	75
1917	3	26	13	23	24	89
1918	25	5	8	11	21	70
1919	2	15	9	24	19	69
1920	14	6	9	7	17	53
1921	23	5	18	9	15	70
1922	10	10	3	11	16	50
1923	5	25	5	10	21	66
1924	5	6	5	11	37	64
1925	6	8	3	13	22	52
1926	9	6	16	14	29	74
1927	9	12	4	9	30	64
1928	6	6	5	30	35	82
1929	15	7	6	24	24	76
1930	1	6	4	27	27	65
1931	5	5	2	22	23	57
1932	3	7	9	2	21	42
1933	11	5	22	1	8	47
1934	12	13	8	0	21	54
1935	3	24	13	1	18	59
1936	2	8	13	3	23	49
1937	3	15	16	3	18	55
1938	15	13	22	3	20	73
1939	12	4	17	0	12	45
1940	8	2	12	6	20	48
1941	3	8	5	1	15	32
1942	14	19	6	4	18	61
1943	3	5	17	1	5	31
1944	7	16	2	3	14	42
1945	8	12	14	8	21	63
1946	12	7	6	3	16	44
1947	15	34	16	11	25	101
1948	25	9	15	0	19	68
1949	13	2	15	0	12	42
1950	9	12	6	1	10	38
1951	3	6	2	0	15	26
1952	7	5	6	5	8	31
1953	7	1	8	1	6	23
1954	0	4	4	1	15	24
1955	3	2	5	1	8	19
1956	0	2	3	2	8	15
1957	3	0	4	1	13	21
1958	3	5	2	0	16	26
1959	8	1	5	22	8	44
1960	2	1	12	42	14	71
1961	10	15	14	36	10	85
1962	5	17	1	56	11	90
1963	7	38	4	55	13	117
1964	8	14	6	27	9	64
1965	10	16	13	32	12	83
1966	4	28	8	20	15	75
1967	4	11	7	22	9	53
1968	13	9	7	42	12	83
1969	14	17	19	41	11	102
1970	5	19	9	29	6	68
1971	30	10	23	16	20	99
1972	15	36	6	20	27	104
1973	6	10	10	26	22	74
1974	9	21	4	11	20	65
1975	42	20	33	23	10	128
1976	44	19	36	21	30	150
1977	22	23	17	35	44	141
1978	37	51	20	27	47	182
1979	18	46	19	50	42	175
1980	12	32	16	21	26	107
1981	10	39	19	35	39	142
1982	10	24	15	22	35	106
1983	38	10	51	20	38	157
1984	27	8	28	25	32	120
1985	36	42	33	44	56	211
1986	17	78	22	57	52	226
1987	35	28	44	39	46	192
1988	20	20	26	21	46	133
1989	68	22	63	36	34	223
1990	72	6	45	8	45	176
1991	31	18	25	20	46	140
1992	24	33	37	22	48	164
1993	15	23	24	37	46	145
1994	30	11	29	11	33	114
1995	77	26	69	29	57	258
1996	17	21	19	29	51	137
1997	74	27	65	16	56	238
1998	95	4	75	21	54	249
1999	33	6	58	14	57	168
2000	38	15	41	19	42	155
2001	53	14	28	35	25	155
2002	61	8	63	18	63	213
2003	93	4	61	22	53	233
2004	47	13	70	28	69	227
2005	68	6	90	19	78	261
2006	55	13	69	12	78	227
2007	80	6	72	11	62	231
2008	96	33	50	10	89	278
2009	45	43	65	18	79	250
2010	29	87	18	68	37	239
2011	62	36	28	17	44	187
2012	38	37	34	20	37	166
2013	81	93	75	39	40	328
2014	54	1	64	8	52	179
2015	75	29	35	21	60	220
2016	62	8	66	20	39	195
2017	63	19	84	9	49	224
2018	60	50	84	54	58	306
2019	39	7	72	34	46	198
2020	19	10	48	41	46	164
2021	24	7	68	37	27	163
2022	33	9	66	33	20	161
2023	36	5	126	17	46	230
2024	47	7	84	27	32	197
2025	103	3	98	10	36	250
2026	27	0	47	1	14	89

Warm to Cold Ratio by Decade

Record highs per record low by decade in Ireland: 1890s 1.6 to 1, 1900s 0.7 to 1, 1910s 0.6 to 1, 1920s 0.7 to 1, 1930s 1.2 to 1, 1940s 1.5 to 1, 1950s 1.2 to 1, 1960s 0.3 to 1, 1970s 0.8 to 1, 1980s 0.9 to 1, 1990s 2.4 to 1, 2000s 3.6 to 1, 2010s 1.7 to 1, 2020s 4.0 to 1.

Record highs per record low in Ireland, by decade
Decade	Highs per low
1890s	1.62 to 1
1900s	0.73 to 1
1910s	0.60 to 1
1920s	0.74 to 1
1930s	1.19 to 1
1940s	1.47 to 1
1950s	1.20 to 1
1960s	0.31 to 1
1970s	0.79 to 1
1980s	0.94 to 1
1990s	2.40 to 1
2000s	3.61 to 1
2010s	1.71 to 1
2020s	4.02 to 1

Standing Records by Year Set

2018: 397

Records still standing in Ireland by the year they were set. 397 of them were set in 2018.

Standing records in Ireland by the year they were set, 2018 highlighted
Year set	Standing records
1861	26
1863	15
1864	19
1865	28
1866	12
1867	40
1868	40
1869	36
1870	45
1871	17
1872	15
1873	8
1874	9
1875	11
1876	8
1877	6
1878	9
1879	4
1880	26
1881	68
1882	16
1883	17
1884	11
1885	21
1886	26
1887	32
1888	43
1889	28
1890	28
1891	29
1892	39
1893	43
1894	24
1895	36
1896	34
1897	21
1898	39
1899	31
1900	33
1901	33
1902	44
1903	31
1904	16
1905	13
1906	35
1907	23
1908	33
1909	29
1910	9
1911	18
1912	55
1913	22
1914	20
1915	24
1916	22
1917	36
1918	33
1919	26
1920	22
1921	29
1922	26
1923	34
1924	27
1925	27
1926	32
1927	27
1928	49
1929	52
1930	75
1931	108
1932	109
1933	99
1934	98
1935	59
1936	71
1937	89
1938	103
1939	83
1940	34
1941	34
1942	59
1943	28
1944	44
1945	70
1946	55
1947	108
1948	78
1949	53
1950	57
1951	32
1952	45
1953	35
1954	34
1955	114
1956	85
1957	102
1958	109
1959	109
1960	79
1961	119
1962	134
1963	163
1964	109
1965	152
1966	129
1967	102
1968	123
1969	158
1970	102
1971	145
1972	146
1973	142
1974	159
1975	160
1976	214
1977	261
1978	408
1979	459
1980	314
1981	371
1982	252
1983	352
1984	384
1985	489
1986	587
1987	458
1988	299
1989	455
1990	372
1991	390
1992	445
1993	587
1994	628
1995	704
1996	477
1997	590
1998	535
1999	429
2000	448
2001	339
2002	385
2003	400
2004	396
2005	301
2006	465
2007	438
2008	360
2009	357
2010	543
2011	307
2012	279
2013	452
2014	234
2015	321
2016	253
2017	294
2018	397
2019	275
2020	235
2021	194
2022	201
2023	310
2024	246
2025	281
2026	84

Download the Data

Data for Ireland in 2018: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).