Annual precipitation in Sao Tome and Principe
Sao Tome and Principe: Annual precipitation was 973.94 millimeters in 2025. ▲ Rising
Latest (2025)
973.94 millimeters
Change on year
down 36.5%
World rank
94th
of 192 countries
All-time high
2,344 millimeters
in 2007
All-time low
517.69 millimeters
in 1957
Years of data
86
1940–2025
Annual precipitation in Sao Tome and Principe, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.
Analysis
Sao Tome and Principe recorded 973.94 millimeters for annual precipitation in 2025.
The figure is down 36.5% on the previous year and down 17.6% over ten years.
Over the whole period, annual precipitation in Sao Tome and Principe peaked at 2,344 millimeters in 2007 and was at its lowest, 517.69 millimeters, in 1957.
That places Sao Tome and Principe 94th out of 192 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 86 years of available data.
Annual precipitation in Sao Tome and Principe, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 1,197 millimeters | — |
| 1941 | 959.65 millimeters | -19.9% |
| 1942 | 1,368 millimeters | +42.6% |
| 1943 | 1,216 millimeters | -11.1% |
| 1944 | 852.06 millimeters | -29.9% |
| 1945 | 1,077 millimeters | +26.4% |
| 1946 | 1,116 millimeters | +3.6% |
| 1947 | 1,238 millimeters | +10.9% |
| 1948 | 1,566 millimeters | +26.6% |
| 1949 | 1,109 millimeters | -29.2% |
| 1950 | 1,429 millimeters | +28.8% |
| 1951 | 1,509 millimeters | +5.6% |
| 1952 | 1,259 millimeters | -16.6% |
| 1953 | 1,131 millimeters | -10.1% |
| 1954 | 1,334 millimeters | +17.9% |
| 1955 | 1,317 millimeters | -1.2% |
| 1956 | 890.22 millimeters | -32.4% |
| 1957 | 517.69 millimeters | -41.8% |
| 1958 | 1,100 millimeters | +112.4% |
| 1959 | 1,169 millimeters | +6.3% |
| 1960 | 1,471 millimeters | +25.8% |
| 1961 | 1,755 millimeters | +19.4% |
| 1962 | 1,331 millimeters | -24.2% |
| 1963 | 1,953 millimeters | +46.8% |
| 1964 | 1,176 millimeters | -39.8% |
| 1965 | 1,245 millimeters | +5.8% |
| 1966 | 1,588 millimeters | +27.6% |
| 1967 | 1,628 millimeters | +2.5% |
| 1968 | 1,437 millimeters | -11.7% |
| 1969 | 991.63 millimeters | -31.0% |
| 1970 | 984.09 millimeters | -0.8% |
| 1971 | 1,041 millimeters | +5.8% |
| 1972 | 1,204 millimeters | +15.6% |
| 1973 | 1,780 millimeters | +47.8% |
| 1974 | 1,671 millimeters | -6.1% |
| 1975 | 1,534 millimeters | -8.2% |
| 1976 | 1,679 millimeters | +9.4% |
| 1977 | 1,459 millimeters | -13.1% |
| 1978 | 1,220 millimeters | -16.4% |
| 1979 | 1,345 millimeters | +10.2% |
| 1980 | 1,551 millimeters | +15.3% |
| 1981 | 1,626 millimeters | +4.9% |
| 1982 | 1,513 millimeters | -7.0% |
| 1983 | 1,003 millimeters | -33.7% |
| 1984 | 1,624 millimeters | +61.9% |
| 1985 | 1,383 millimeters | -14.8% |
| 1986 | 1,508 millimeters | +9.0% |
| 1987 | 1,193 millimeters | -20.9% |
| 1988 | 1,668 millimeters | +39.8% |
| 1989 | 1,370 millimeters | -17.9% |
| 1990 | 1,378 millimeters | +0.6% |
| 1991 | 1,588 millimeters | +15.3% |
| 1992 | 1,104 millimeters | -30.5% |
| 1993 | 1,387 millimeters | +25.7% |
| 1994 | 1,151 millimeters | -17.0% |
| 1995 | 1,291 millimeters | +12.1% |
| 1996 | 1,450 millimeters | +12.3% |
| 1997 | 1,355 millimeters | -6.5% |
| 1998 | 1,298 millimeters | -4.2% |
| 1999 | 1,241 millimeters | -4.4% |
| 2000 | 1,181 millimeters | -4.8% |
| 2001 | 1,298 millimeters | +9.9% |
| 2002 | 1,389 millimeters | +7.0% |
| 2003 | 1,899 millimeters | +36.7% |
| 2004 | 1,161 millimeters | -38.8% |
| 2005 | 1,050 millimeters | -9.6% |
| 2006 | 1,531 millimeters | +45.9% |
| 2007 | 2,344 millimeters | +53.0% |
| 2008 | 1,703 millimeters | -27.3% |
| 2009 | 1,675 millimeters | -1.7% |
| 2010 | 1,035 millimeters | -38.2% |
| 2011 | 1,206 millimeters | +16.5% |
| 2012 | 1,749 millimeters | +45.0% |
| 2013 | 1,165 millimeters | -33.4% |
| 2014 | 1,562 millimeters | +34.1% |
| 2015 | 1,182 millimeters | -24.4% |
| 2016 | 1,610 millimeters | +36.2% |
| 2017 | 1,362 millimeters | -15.4% |
| 2018 | 1,690 millimeters | +24.0% |
| 2019 | 1,482 millimeters | -12.3% |
| 2020 | 1,591 millimeters | +7.3% |
| 2021 | 1,551 millimeters | -2.5% |
| 2022 | 1,503 millimeters | -3.1% |
| 2023 | 1,569 millimeters | +4.4% |
| 2024 | 1,535 millimeters | -2.2% |
| 2025 | 973.94 millimeters | -36.5% |
Sao Tome and Principe compared with similar countries
- Sao Tome and Principe's 973.94 millimeters is below the median for lower middle income countries, which is 1,013 millimeters, 96% of the median. (47 countries reporting)
- Sao Tome and Principe's 973.94 millimeters is above the median for Sub-Saharan Africa, which is 970.56 millimeters, 1.0× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 1,170 millimeters | 852.06 millimeters | 1,566 millimeters | 10 |
| 1950s | 1,166 millimeters | 517.69 millimeters | 1,509 millimeters | 10 |
| 1960s | 1,458 millimeters | 991.63 millimeters | 1,953 millimeters | 10 |
| 1970s | 1,392 millimeters | 984.09 millimeters | 1,780 millimeters | 10 |
| 1980s | 1,444 millimeters | 1,003 millimeters | 1,668 millimeters | 10 |
| 1990s | 1,324 millimeters | 1,104 millimeters | 1,588 millimeters | 10 |
| 2000s | 1,523 millimeters | 1,050 millimeters | 2,344 millimeters | 10 |
| 2010s | 1,404 millimeters | 1,035 millimeters | 1,749 millimeters | 10 |
| 2020s | 1,454 millimeters | 973.94 millimeters | 1,591 millimeters | 6 |
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 annual precipitation in Sao Tome and Principe?
- Annual precipitation in Sao Tome and Principe was 973.94 millimeters in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest annual precipitation recorded in Sao Tome and Principe?
- The highest recorded value was 2,344 millimeters in 2007.
- What is the lowest annual precipitation recorded in Sao Tome and Principe?
- The lowest recorded value was 517.69 millimeters in 1957.
- How does Sao Tome and Principe rank for annual precipitation?
- Sao Tome and Principe ranks 94th out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 17.6%. The long-run trend across the full record is rising.
- 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 Annual precipitation. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Total annual precipitation—rain and snow—calculated as the sum of daily averages, reported as the depth of water falling to Earth's surface, excluding fog and dew.