Summer temperature anomalies in Portugal
Portugal: Summer temperature anomalies was 2.05 °C in 2026. ◆ Volatile
Summer temperature anomalies in Portugal, 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 Portugal stood at 2.05 °C.
Compared with earlier readings it is down 10.6% on the previous year and up 965.5% over ten years.
Over the whole period, summer temperature anomalies in Portugal peaked at 2.68 °C in 1943 and was at its lowest, -5.68 °C, in 1978.
Portugal ranks 21st of 193 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Summer temperature anomalies in Portugal, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.1275 °C | — |
| 1941 | 0.473 °C | -470.9% |
| 1942 | 0.3958 °C | -16.3% |
| 1943 | 2.68 °C | +576.8% |
| 1944 | 0.6059 °C | -77.4% |
| 1945 | 1.89 °C | +211.5% |
| 1946 | -1.46 °C | -177.2% |
| 1947 | 0.2108 °C | -114.5% |
| 1948 | -0.2377 °C | -212.8% |
| 1949 | -0.0948 °C | -60.1% |
| 1950 | -0.7348 °C | +675.4% |
| 1951 | -0.585 °C | -20.4% |
| 1952 | -0.5046 °C | -13.7% |
| 1953 | -1.44 °C | +186.0% |
| 1954 | -1.82 °C | +26.1% |
| 1955 | -0.5722 °C | -68.6% |
| 1956 | -0.588 °C | +2.8% |
| 1957 | -1.86 °C | +216.0% |
| 1958 | -2.27 °C | +22.1% |
| 1959 | -1.14 °C | -49.7% |
| 1960 | 0.3783 °C | -133.2% |
| 1961 | -0.2992 °C | -179.1% |
| 1962 | 0.8276 °C | -376.6% |
| 1963 | -1.79 °C | -316.5% |
| 1964 | -0.3531 °C | -80.3% |
| 1965 | 0.2533 °C | -171.7% |
| 1966 | -1.6 °C | -732.6% |
| 1967 | -0.3695 °C | -76.9% |
| 1968 | -0.2089 °C | -43.5% |
| 1969 | -2.01 °C | +860.2% |
| 1970 | -2.22 °C | +10.9% |
| 1971 | -3.12 °C | +40.2% |
| 1972 | -3.51 °C | +12.5% |
| 1973 | -0.653 °C | -81.4% |
| 1974 | -1.32 °C | +102.6% |
| 1975 | -1.62 °C | +22.1% |
| 1976 | 1.52 °C | -194.2% |
| 1977 | -3.84 °C | -352.0% |
| 1978 | -5.68 °C | +48.1% |
| 1979 | -0.2558 °C | -95.5% |
| 1980 | -1.61 °C | +528.0% |
| 1981 | 1.37 °C | -185.1% |
| 1982 | -1.19 °C | -187.0% |
| 1983 | 0.1656 °C | -113.9% |
| 1984 | -1.32 °C | -895.1% |
| 1985 | -1.07 °C | -18.7% |
| 1986 | -0.7584 °C | -29.1% |
| 1987 | -0.3526 °C | -53.5% |
| 1988 | -2.28 °C | +547.0% |
| 1989 | 0.1724 °C | -107.6% |
| 1990 | -0.7372 °C | -527.6% |
| 1991 | 0.0733 °C | -109.9% |
| 1992 | -2.99 °C | -4182.9% |
| 1993 | -0.9251 °C | -69.1% |
| 1994 | 0.4206 °C | -145.5% |
| 1995 | 0.0052 °C | -98.8% |
| 1996 | 1.57 °C | +29946.5% |
| 1997 | -2.71 °C | -272.3% |
| 1998 | -0.4041 °C | -85.1% |
| 1999 | 0.1428 °C | -135.3% |
| 2000 | 0.9011 °C | +530.8% |
| 2001 | 0.718 °C | -20.3% |
| 2002 | -0.681 °C | -194.8% |
| 2003 | 1.11 °C | -263.0% |
| 2004 | 2.5 °C | +125.4% |
| 2005 | 2.11 °C | -15.5% |
| 2006 | 0.5952 °C | -71.8% |
| 2007 | -1.53 °C | -357.5% |
| 2008 | 0.2757 °C | -118.0% |
| 2009 | 0.6424 °C | +133.0% |
| 2010 | -0.3002 °C | -146.7% |
| 2011 | -0.0804 °C | -73.2% |
| 2012 | -0.2552 °C | +217.4% |
| 2013 | -0.4934 °C | +93.3% |
| 2014 | -0.7074 °C | +43.4% |
| 2015 | 1.56 °C | -320.2% |
| 2016 | 0.1922 °C | -87.7% |
| 2017 | 2.01 °C | +946.4% |
| 2018 | -1.06 °C | -152.9% |
| 2019 | -1.79 °C | +68.1% |
| 2020 | -0.8957 °C | -49.9% |
| 2021 | -0.7382 °C | -17.6% |
| 2022 | 0.0825 °C | -111.2% |
| 2023 | 1.59 °C | +1822.3% |
| 2024 | -0.4421 °C | -127.9% |
| 2025 | 2.29 °C | -618.3% |
| 2026 | 2.05 °C | -10.6% |
Portugal compared with similar countries
- Portugal's 2.05 °C is above the median for high income countries, which is 1.13 °C, 1.8× the median. (65 countries reporting)
- Portugal's 2.05 °C is above the median for Europe & Central Asia, which is 1.68 °C, 1.2× the median. (52 countries reporting)
Biggest year-on-year movements
Years where Summer temperature anomalies in Portugal 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 |
|---|---|---|---|
| 1996 | +29946.5% | 0.0052 °C | 1.57 °C |
| 1992 | -4182.9% | 0.0733 °C | -2.99 °C |
| 2023 | +1822.3% | 0.0825 °C | 1.59 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 0.4333 °C | -1.46 °C | 2.68 °C | 10 |
| 1950s | -1.15 °C | -2.27 °C | -0.5046 °C | 10 |
| 1960s | -0.5171 °C | -2.01 °C | 0.8276 °C | 10 |
| 1970s | -2.07 °C | -5.68 °C | 1.52 °C | 10 |
| 1980s | -0.687 °C | -2.28 °C | 1.37 °C | 10 |
| 1990s | -0.5555 °C | -2.99 °C | 1.57 °C | 10 |
| 2000s | 0.6643 °C | -1.53 °C | 2.5 °C | 10 |
| 2010s | -0.0929 °C | -1.79 °C | 2.01 °C | 10 |
| 2020s | 0.5617 °C | -0.8957 °C | 2.29 °C | 7 |
Countries ranked near Portugal
More climate change data for Portugal
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 93.31 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 5,543 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 1,218 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 4,325 kt (2050)
- Emissions from livestock — Emissions 4.6 kt (2050)
- Emissions from livestock — Emissions 154.46 kt (2050)
- Emissions from crops — Emissions (CO2eq) 950.54 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 585.76 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 364.79 kt (2050)
- Emissions from crops — Emissions 2.21 kt (2050)
Frequently asked questions
- What is summer temperature anomalies in Portugal?
- Summer temperature anomalies in Portugal was 2.05 °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 Portugal?
- The highest recorded value was 2.68 °C in 1943.
- What is the lowest summer temperature anomalies recorded in Portugal?
- The lowest recorded value was -5.68 °C in 1978.
- How does Portugal rank for summer temperature anomalies?
- Portugal ranks 21st out of 193 countries with data for 2026.
- Is summer temperature anomalies rising or falling in Portugal?
- Over the last ten years it is up 965.5%. The long-run trend across the full record is volatile.
- Where does this Portugal 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.