Annual precipitation in Sao Tome and Principe
Sao Tome and Principe: Annual precipitation was 973.94 millimeters in 2025. ▲ Rising
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.
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 reference data data for Sao Tome and Principe
- Spring temperature anomalies 0.2041 °C (2026)
- Summer temperature anomalies 0.4106 °C (2026)
- Temperature anomalies by month 0.385 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies -0.0681 °C (2025)
- Winter temperature anomalies 0.3141 °C (2025)
- Consumer price index 430.23 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
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.