Summer temperature anomalies in Ireland
Ireland: Summer temperature anomalies was 1.31 °C in 2026. ◆ Volatile
Latest (2026)
1.31 °C
Change on year
up 21.2%
World rank
52nd
of 193 countries
All-time high
2.84 °C
in 2023
All-time low
-2.74 °C
in 1972
Years of data
87
1940–2026
Summer temperature anomalies in Ireland, 1940–2026
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
In 2026, summer temperature anomalies in Ireland stood at 1.31 °C.
The figure is up 21.2% on the previous year and up 49.9% over ten years.
Over the whole period, summer temperature anomalies in Ireland peaked at 2.84 °C in 2023 and was at its lowest, -2.74 °C, in 1972.
That places Ireland 52nd out of 193 countries with data for 2026, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Summer temperature anomalies in Ireland, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | 1.73 °C | — |
| 1941 | 1.55 °C | -10.4% |
| 1942 | -0.0523 °C | -103.4% |
| 1943 | 0.1074 °C | -305.4% |
| 1944 | 0.0008 °C | -99.3% |
| 1945 | -0.1995 °C | -25063.5% |
| 1946 | -1.28 °C | +540.9% |
| 1947 | 0.1606 °C | -112.6% |
| 1948 | -1.01 °C | -728.0% |
| 1949 | 1.39 °C | -237.9% |
| 1950 | 1.31 °C | -5.6% |
| 1951 | 0.091 °C | -93.1% |
| 1952 | -0.0412 °C | -145.3% |
| 1953 | 0.1907 °C | -562.5% |
| 1954 | -0.5513 °C | -389.1% |
| 1955 | 0.2003 °C | -136.3% |
| 1956 | -0.7679 °C | -483.3% |
| 1957 | 1.54 °C | -300.9% |
| 1958 | -0.3612 °C | -123.4% |
| 1959 | 0.7557 °C | -309.2% |
| 1960 | 1.47 °C | +95.0% |
| 1961 | -0.2512 °C | -117.1% |
| 1962 | -0.6307 °C | +151.1% |
| 1963 | 0.154 °C | -124.4% |
| 1964 | -0.6249 °C | -505.8% |
| 1965 | -0.3483 °C | -44.3% |
| 1966 | 0.2874 °C | -182.5% |
| 1967 | 0.0325 °C | -88.7% |
| 1968 | 0.1274 °C | +292.3% |
| 1969 | -0.2993 °C | -334.9% |
| 1970 | 1.66 °C | -653.5% |
| 1971 | -1.29 °C | -177.8% |
| 1972 | -2.74 °C | +112.9% |
| 1973 | 0.0406 °C | -101.5% |
| 1974 | -0.6284 °C | -1648.4% |
| 1975 | 0.63 °C | -200.3% |
| 1976 | 1.28 °C | +102.7% |
| 1977 | -1.15 °C | -190.2% |
| 1978 | -0.9837 °C | -14.6% |
| 1979 | -0.5567 °C | -43.4% |
| 1980 | -0.8773 °C | +57.6% |
| 1981 | -0.8169 °C | -6.9% |
| 1982 | 0.4747 °C | -158.1% |
| 1983 | -0.3118 °C | -165.7% |
| 1984 | 0.0454 °C | -114.6% |
| 1985 | -1.31 °C | -2991.6% |
| 1986 | 0.0261 °C | -102.0% |
| 1987 | -1.41 °C | -5503.7% |
| 1988 | 0.9633 °C | -168.2% |
| 1989 | -0.0194 °C | -102.0% |
| 1990 | -0.9671 °C | +4875.5% |
| 1991 | -1.57 °C | +62.6% |
| 1992 | 0.9856 °C | -162.7% |
| 1993 | -0.1328 °C | -113.5% |
| 1994 | -0.932 °C | +602.1% |
| 1995 | 0.8754 °C | -193.9% |
| 1996 | -0.1593 °C | -118.2% |
| 1997 | -0.6916 °C | +334.2% |
| 1998 | -0.6693 °C | -3.2% |
| 1999 | -1.09 °C | +62.5% |
| 2000 | -0.0715 °C | -93.4% |
| 2001 | -0.523 °C | +631.8% |
| 2002 | -1.15 °C | +120.7% |
| 2003 | 0.2554 °C | -122.1% |
| 2004 | 0.5589 °C | +118.8% |
| 2005 | 0.8797 °C | +57.4% |
| 2006 | 1.09 °C | +24.4% |
| 2007 | 0.5455 °C | -50.2% |
| 2008 | -0.4237 °C | -177.7% |
| 2009 | 0.9028 °C | -313.1% |
| 2010 | 1.18 °C | +30.5% |
| 2011 | -1.58 °C | -234.0% |
| 2012 | -0.9518 °C | -39.7% |
| 2013 | -0.0709 °C | -92.6% |
| 2014 | 0.8435 °C | -1290.3% |
| 2015 | -0.6284 °C | -174.5% |
| 2016 | 0.871 °C | -238.6% |
| 2017 | 0.3596 °C | -58.7% |
| 2018 | 2.15 °C | +498.8% |
| 2019 | -0.7957 °C | -137.0% |
| 2020 | -0.0608 °C | -92.4% |
| 2021 | 0.0482 °C | -179.2% |
| 2022 | -0.0917 °C | -290.3% |
| 2023 | 2.84 °C | -3200.9% |
| 2024 | -0.6637 °C | -123.4% |
| 2025 | 1.08 °C | -262.2% |
| 2026 | 1.31 °C | +21.2% |
Ireland compared with similar countries
- Ireland's 1.31 °C is above the median for high income countries, which is 1.13 °C, 1.2× the median. (65 countries reporting)
- Ireland's 1.31 °C is below the median for Europe & Central Asia, which is 1.68 °C, 78% of the median. (52 countries reporting)
Biggest year-on-year movements
Years where Summer temperature anomalies 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.
| Year | Change | From | To |
|---|---|---|---|
| 1945 | -25063.5% | 0.0008 °C | -0.1995 °C |
| 1987 | -5503.7% | 0.0261 °C | -1.41 °C |
| 1990 | -4875.5% | -0.0194 °C | -0.9671 °C |
| 2023 | +3200.9% | -0.0917 °C | 2.84 °C |
| 1985 | -2991.6% | 0.0454 °C | -1.31 °C |
| 1974 | -1648.4% | 0.0406 °C | -0.6284 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 0.2402 °C | -1.28 °C | 1.73 °C | 10 |
| 1950s | 0.2371 °C | -0.7679 °C | 1.54 °C | 10 |
| 1960s | -0.008 °C | -0.6307 °C | 1.47 °C | 10 |
| 1970s | -0.3749 °C | -2.74 °C | 1.66 °C | 10 |
| 1980s | -0.324 °C | -1.41 °C | 0.9633 °C | 10 |
| 1990s | -0.4351 °C | -1.57 °C | 0.9856 °C | 10 |
| 2000s | 0.2064 °C | -1.15 °C | 1.09 °C | 10 |
| 2010s | 0.138 °C | -1.58 °C | 2.15 °C | 10 |
| 2020s | 0.6366 °C | -0.6637 °C | 2.84 °C | 7 |
Countries ranked near Ireland
- 49 El Salvador 1.37 °C compare
- 50 South Africa 1.36 °C compare
- 51 North Macedonia 1.34 °C compare
- 53 South Georgia and the South Sandwich Islands 1.29 °C compare
- 54 Isle of Man 1.23 °C compare
- 55 Kiribati 1.23 °C compare
More climate change data for Ireland
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 320.11 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 18,098 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 3,665 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 14,433 kt (2050)
- Emissions from livestock — Emissions 13.83 kt (2050)
- Emissions from livestock — Emissions 515.47 kt (2050)
- Emissions from crops — Emissions (CO2eq) 1,902 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 1,899 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 2.7 kt (2050)
- Emissions from crops — Emissions 7.17 kt (2050)
Frequently asked questions
- What is summer temperature anomalies in Ireland?
- Summer temperature anomalies in Ireland was 1.31 °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 summer temperature anomalies recorded in Ireland?
- The highest recorded value was 2.84 °C in 2023.
- What is the lowest summer temperature anomalies recorded in Ireland?
- The lowest recorded value was -2.74 °C in 1972.
- How does Ireland rank for summer temperature anomalies?
- Ireland ranks 52nd out of 193 countries with data for 2026.
- Is summer temperature anomalies rising or falling in Ireland?
- Over the last ten years it is up 49.9%. 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 Summer temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 87 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
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.