Summer temperature anomalies in Sao Tome and Principe
Sao Tome and Principe: Summer temperature anomalies was 0.4106 °C in 2026. ◆ Volatile
Summer temperature anomalies in Sao Tome and Principe, 1940–2026
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Sao Tome and Principe recorded 0.4106 °C for summer temperature anomalies in 2026.
That represents a change of down 38.1% on the previous year and down 26.8% over ten years.
Over the whole period, summer temperature anomalies in Sao Tome and Principe peaked at 1.31 °C in 1998 and was at its lowest, -2.14 °C, in 1958.
That places Sao Tome and Principe 135th 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 Sao Tome and Principe, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -1.55 °C | — |
| 1941 | -0.165 °C | -89.4% |
| 1942 | -0.7686 °C | +365.7% |
| 1943 | -2.09 °C | +171.5% |
| 1944 | -0.3899 °C | -81.3% |
| 1945 | -1.3 °C | +233.9% |
| 1946 | -0.713 °C | -45.2% |
| 1947 | -0.8958 °C | +25.6% |
| 1948 | -1.33 °C | +48.4% |
| 1949 | -0.7877 °C | -40.8% |
| 1950 | -0.6361 °C | -19.2% |
| 1951 | -0.7542 °C | +18.6% |
| 1952 | -0.75 °C | -0.6% |
| 1953 | -1.34 °C | +79.0% |
| 1954 | -1.89 °C | +40.9% |
| 1955 | -0.7058 °C | -62.7% |
| 1956 | -0.7702 °C | +9.1% |
| 1957 | -1.05 °C | +36.5% |
| 1958 | -2.14 °C | +103.9% |
| 1959 | -1.03 °C | -51.8% |
| 1960 | -0.6511 °C | -37.0% |
| 1961 | -0.5377 °C | -17.4% |
| 1962 | -0.4356 °C | -19.0% |
| 1963 | 0.6909 °C | -258.6% |
| 1964 | -0.655 °C | -194.8% |
| 1965 | -0.5577 °C | -14.9% |
| 1966 | 0.5913 °C | -206.0% |
| 1967 | -0.4323 °C | -173.1% |
| 1968 | -0.0739 °C | -82.9% |
| 1969 | -0.816 °C | +1003.9% |
| 1970 | -0.5251 °C | -35.7% |
| 1971 | -0.4528 °C | -13.8% |
| 1972 | -0.8454 °C | +86.7% |
| 1973 | -0.3174 °C | -62.5% |
| 1974 | -0.0717 °C | -77.4% |
| 1975 | -0.1246 °C | +73.9% |
| 1976 | -1.57 °C | +1157.4% |
| 1977 | -0.5364 °C | -65.8% |
| 1978 | -0.7821 °C | +45.8% |
| 1979 | -0.341 °C | -56.4% |
| 1980 | -1.12 °C | +227.2% |
| 1981 | 0.1214 °C | -110.9% |
| 1982 | -1.6 °C | -1421.5% |
| 1983 | -1.01 °C | -36.9% |
| 1984 | 0.7162 °C | -170.7% |
| 1985 | -0.3852 °C | -153.8% |
| 1986 | -0.2571 °C | -33.3% |
| 1987 | 0.9613 °C | -473.9% |
| 1988 | 1.05 °C | +9.4% |
| 1989 | 0.3625 °C | -65.5% |
| 1990 | -0.0529 °C | -114.6% |
| 1991 | 0.4108 °C | -876.6% |
| 1992 | -0.4868 °C | -218.5% |
| 1993 | -0.1866 °C | -61.7% |
| 1994 | -0.3621 °C | +94.1% |
| 1995 | 0.3052 °C | -184.3% |
| 1996 | 0.2399 °C | -21.4% |
| 1997 | -0.7825 °C | -426.2% |
| 1998 | 1.31 °C | -267.9% |
| 1999 | 0.5396 °C | -58.9% |
| 2000 | 0.3222 °C | -40.3% |
| 2001 | -0.2743 °C | -185.1% |
| 2002 | 0.4366 °C | -259.2% |
| 2003 | 0.0285 °C | -93.5% |
| 2004 | -0.3936 °C | -1479.7% |
| 2005 | -1.09 °C | +176.2% |
| 2006 | 0.8093 °C | -174.4% |
| 2007 | 0.5055 °C | -37.5% |
| 2008 | -0.856 °C | -269.4% |
| 2009 | -0.1135 °C | -86.7% |
| 2010 | -0.7004 °C | +516.9% |
| 2011 | -0.577 °C | -17.6% |
| 2012 | 0.2487 °C | -143.1% |
| 2013 | -0.5453 °C | -319.2% |
| 2014 | 0.261 °C | -147.9% |
| 2015 | -1.1 °C | -520.5% |
| 2016 | 0.5608 °C | -151.1% |
| 2017 | 0.3907 °C | -30.3% |
| 2018 | 0.5065 °C | +29.6% |
| 2019 | 0.4748 °C | -6.3% |
| 2020 | 0.1094 °C | -77.0% |
| 2021 | 1.14 °C | +938.1% |
| 2022 | 0.1952 °C | -82.8% |
| 2023 | 0.7421 °C | +280.1% |
| 2024 | 0.6855 °C | -7.6% |
| 2025 | 0.6635 °C | -3.2% |
| 2026 | 0.4106 °C | -38.1% |
Sao Tome and Principe compared with similar countries
- Sao Tome and Principe's 0.4106 °C is below the median for lower middle income countries, which is 0.5032 °C, 82% of the median. (47 countries reporting)
- Sao Tome and Principe's 0.4106 °C is below the median for Sub-Saharan Africa, which is 0.6026 °C, 68% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Summer temperature anomalies in Sao Tome and Principe 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 |
|---|---|---|---|
| 2004 | -1479.7% | 0.0285 °C | -0.3936 °C |
| 1982 | -1421.5% | 0.1214 °C | -1.6 °C |
| 1976 | -1157.4% | -0.1246 °C | -1.57 °C |
| 1969 | -1003.9% | -0.0739 °C | -0.816 °C |
| 2021 | +938.1% | 0.1094 °C | 1.14 °C |
| 1991 | +876.6% | -0.0529 °C | 0.4108 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.9991 °C | -2.09 °C | -0.165 °C | 10 |
| 1950s | -1.11 °C | -2.14 °C | -0.6361 °C | 10 |
| 1960s | -0.2877 °C | -0.816 °C | 0.6909 °C | 10 |
| 1970s | -0.5564 °C | -1.57 °C | -0.0717 °C | 10 |
| 1980s | -0.1163 °C | -1.6 °C | 1.05 °C | 10 |
| 1990s | 0.0938 °C | -0.7825 °C | 1.31 °C | 10 |
| 2000s | -0.0623 °C | -1.09 °C | 0.8093 °C | 10 |
| 2010s | -0.0478 °C | -1.1 °C | 0.5608 °C | 10 |
| 2020s | 0.5632 °C | 0.1094 °C | 1.14 °C | 7 |
Countries ranked near Sao Tome and Principe
More climate change data for Sao Tome and Principe
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 133,140 kg (2023)
- Emissions from livestock — Emissions (CO2eq) 23.37 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 15.5 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 7.87 kt (2050)
- Emissions from livestock — Emissions 0.0585 kt (2050)
- Emissions from livestock — Emissions 0.2811 kt (2050)
- Emissions from crops — Emissions (CO2eq) 0.5528 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 0.424 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 0.1288 kt (2050)
- Emissions from crops — Emissions 0.0016 kt (2050)
Frequently asked questions
- What is summer temperature anomalies in Sao Tome and Principe?
- Summer temperature anomalies in Sao Tome and Principe was 0.4106 °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 Sao Tome and Principe?
- The highest recorded value was 1.31 °C in 1998.
- What is the lowest summer temperature anomalies recorded in Sao Tome and Principe?
- The lowest recorded value was -2.14 °C in 1958.
- How does Sao Tome and Principe rank for summer temperature anomalies?
- Sao Tome and Principe ranks 135th out of 193 countries with data for 2026.
- Is summer temperature anomalies rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 26.8%. The long-run trend across the full record is volatile.
- Where does this Sao Tome and Principe 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.