Temperature anomalies by month in Ireland

Ireland: Temperature anomalies by month was -0.6528 °C in 2026. ◆ Volatile

Latest (2026)
-0.6528 °C
Change on year
down 5.4%
World rank
169th
of 193 countries
All-time high
2.04 °C
in 1944
All-time low
-5.85 °C
in 1963
Years of data
87
1940–2026

Temperature anomalies by month in Ireland, 1940–2026

-6-4-202194019832026

Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.

Analysis

The most recent figure for temperature anomalies by month in Ireland is -0.6528 °C, measured in 2026.

That represents a change of down 5.4% on the previous year and down 235.7% over ten years.

Over the whole period, temperature anomalies by month in Ireland peaked at 2.04 °C in 1944 and was at its lowest, -5.85 °C, in 1963.

Ireland ranks 169th of 193 countries on this measure, in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Temperature anomalies by month in Ireland, year by year

Annual values for Temperature anomalies by month in Ireland, 1940 to 2026.
Year °C Change
1940 -3.01 °C
1941 -3.96 °C +31.7%
1942 -1.21 °C -69.4%
1943 0.7517 °C -162.1%
1944 2.04 °C +171.5%
1945 -3.01 °C -247.3%
1946 -0.4388 °C -85.4%
1947 -1.71 °C +289.0%
1948 -0.5611 °C -67.1%
1949 1.6 °C -385.2%
1950 0.6995 °C -56.3%
1951 -1.07 °C -253.2%
1952 -1.78 °C +66.0%
1953 -0.243 °C -86.3%
1954 -0.5965 °C +145.4%
1955 -1.64 °C +175.2%
1956 -1.04 °C -36.7%
1957 0.037 °C -103.6%
1958 -0.5511 °C -1588.0%
1959 -2.36 °C +328.8%
1960 -0.5989 °C -74.7%
1961 -0.9065 °C +51.4%
1962 -0.8361 °C -7.8%
1963 -5.85 °C +599.2%
1964 0.1717 °C -102.9%
1965 -2.01 °C -1268.8%
1966 -0.8703 °C -56.6%
1967 -0.2221 °C -74.5%
1968 0.6243 °C -381.1%
1969 -0.0624 °C -110.0%
1970 -0.55 °C +781.4%
1971 0.3453 °C -162.8%
1972 -1.16 °C -434.6%
1973 0.6904 °C -159.8%
1974 1.03 °C +49.9%
1975 1.05 °C +1.4%
1976 0.9768 °C -6.9%
1977 -2.07 °C -311.7%
1978 -1.18 °C -42.8%
1979 -3.24 °C +174.3%
1980 -1.64 °C -49.5%
1981 1.05 °C -163.9%
1982 -0.4911 °C -147.0%
1983 1.18 °C -339.9%
1984 -1.72 °C -245.8%
1985 -3.5 °C +103.9%
1986 -0.9958 °C -71.6%
1987 -1.71 °C +72.2%
1988 -0.3413 °C -80.1%
1989 2 °C -685.1%
1990 1.14 °C -43.1%
1991 -1.44 °C -226.4%
1992 -0.0671 °C -95.3%
1993 0.7573 °C -1228.4%
1994 -0.0493 °C -106.5%
1995 -0.257 °C +421.5%
1996 0.583 °C -326.8%
1997 -0.9777 °C -267.7%
1998 0.0488 °C -105.0%
1999 0.0228 °C -53.3%
2000 -0.0298 °C -230.6%
2001 -1.6 °C +5265.7%
2002 1.88 °C -218.0%
2003 -0.2425 °C -112.9%
2004 0.2672 °C -210.2%
2005 1.36 °C +410.0%
2006 0.1675 °C -87.7%
2007 1.23 °C +635.9%
2008 0.9683 °C -21.4%
2009 -0.9678 °C -199.9%
2010 -3.14 °C +224.6%
2011 -1.86 °C -40.8%
2012 1.34 °C -172.0%
2013 -0.0182 °C -101.4%
2014 0.0329 °C -281.0%
2015 -0.5515 °C -1774.5%
2016 0.4811 °C -187.2%
2017 0.6748 °C +40.3%
2018 0.044 °C -93.5%
2019 0.5738 °C +1205.0%
2020 0.7564 °C +31.8%
2021 -1.31 °C -272.9%
2022 0.7675 °C -158.7%
2023 0.5332 °C -30.5%
2024 -0.6572 °C -223.3%
2025 -0.6194 °C -5.8%
2026 -0.6528 °C +5.4%

Ireland compared with similar countries

  • Ireland's -0.6528 °C is below the median for high income countries, which is 0.0177 °C. (65 countries reporting)
  • Ireland's -0.6528 °C is below the median for Europe & Central Asia, which is -0.0536 °C, 12.2× the median. (52 countries reporting)

Biggest year-on-year movements

Years where Temperature anomalies by month in Ireland changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
2001 -5265.7% -0.0298 °C -1.6 °C
2015 -1774.5% 0.0329 °C -0.5515 °C
1958 -1588.0% 0.037 °C -0.5511 °C

Averages by decade

DecadeAverage LowestHighest Years
1940s -0.9499 °C -3.96 °C 2.04 °C 10
1950s -0.8549 °C -2.36 °C 0.6995 °C 10
1960s -1.06 °C -5.85 °C 0.6243 °C 10
1970s -0.4102 °C -3.24 °C 1.05 °C 10
1980s -0.6178 °C -3.5 °C 2 °C 10
1990s -0.0239 °C -1.44 °C 1.14 °C 10
2000s 0.3045 °C -1.6 °C 1.88 °C 10
2010s -0.2426 °C -3.14 °C 1.34 °C 10
2020s -0.1686 °C -1.31 °C 0.7675 °C 7

Countries ranked near Ireland

  1. 166 Eswatini -0.5399 °C compare
  2. 167 Slovenia -0.5768 °C compare
  3. 168 Zimbabwe -0.5886 °C compare
  4. 170 Slovakia -0.7046 °C compare
  5. 171 Japan -0.7172 °C compare
  6. 172 Thailand -0.7989 °C compare

See the full ranking of 193 places →

More climate change data for Ireland

All data for Ireland →

Frequently asked questions

What is temperature anomalies by month in Ireland?
Temperature anomalies by month in Ireland was -0.6528 °C in 2026, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
What is the highest temperature anomalies by month recorded in Ireland?
The highest recorded value was 2.04 °C in 1944.
What is the lowest temperature anomalies by month recorded in Ireland?
The lowest recorded value was -5.85 °C in 1963.
How does Ireland rank for temperature anomalies by month?
Ireland ranks 169th out of 193 countries with data for 2026.
Is temperature anomalies by month rising or falling in Ireland?
Over the last ten years it is down 235.7%. The long-run trend across the full record is volatile.
Where does this Ireland data come from?
The figures come from Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as part of Temperature anomalies by month. Statizoid updates them automatically from the source API.

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Temperature anomalies by month in Ireland. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 18 September 2026, from https://climate.statizoid.com/stat/country-level-monthly-temperature-anomalies/ireland/

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About this data

Indicator
Temperature anomalies by month
Unit
°C
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 16,791 data points, 1940–2026
Last refreshed

Difference in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.