Precipitation anomalies in Sao Tome and Principe

Sao Tome and Principe: Precipitation anomalies was -450.39 millimeters in 2025. ◆ Volatile

Latest (2025)
-450.39 millimeters
Change on year
down 507.3%
World rank
191st
of 192 countries
All-time high
919.17 millimeters
in 2007
All-time low
-906.65 millimeters
in 1957
Years of data
86
1940–2025

Precipitation anomalies in Sao Tome and Principe, 1940–2025

-1.0k-50005001.0k194019822025

Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.

Analysis

The most recent figure for precipitation anomalies in Sao Tome and Principe is -450.39 millimeters, measured in 2025.

That represents a change of down 507.3% on the previous year and down 85.5% over ten years.

Over the whole period, precipitation anomalies in Sao Tome and Principe peaked at 919.17 millimeters in 2007 and was at its lowest, -906.65 millimeters, in 1957.

That places Sao Tome and Principe 191st out of 192 countries with data for 2025, putting it in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1940s -254.5 millimeters -572.28 millimeters 141.75 millimeters 10
1950s -258.78 millimeters -906.65 millimeters 84.77 millimeters 10
1960s 33.2 millimeters -432.71 millimeters 528.46 millimeters 10
1970s -32.56 millimeters -440.24 millimeters 355.71 millimeters 10
1980s 19.5 millimeters -421.02 millimeters 243.51 millimeters 10
1990s -100.04 millimeters -320.6 millimeters 163.6 millimeters 10
2000s 98.84 millimeters -374.63 millimeters 919.17 millimeters 10
2010s -20.08 millimeters -389.07 millimeters 324.55 millimeters 10
2020s 29.3 millimeters -450.39 millimeters 166.24 millimeters 6

Countries ranked near Sao Tome and Principe

  1. 188 Cayman Islands -379.98 millimeters compare
  2. 189 Comoros -383 millimeters compare
  3. 190 Seychelles -410.08 millimeters compare
  4. 192 Bhutan -452.79 millimeters compare

See the full ranking of 192 places →

More reference data data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is precipitation anomalies in Sao Tome and Principe?
Precipitation anomalies in Sao Tome and Principe was -450.39 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 precipitation anomalies recorded in Sao Tome and Principe?
The highest recorded value was 919.17 millimeters in 2007.
What is the lowest precipitation anomalies recorded in Sao Tome and Principe?
The lowest recorded value was -906.65 millimeters in 1957.
How does Sao Tome and Principe rank for precipitation anomalies?
Sao Tome and Principe ranks 191st out of 192 countries with data for 2025.
Is precipitation anomalies rising or falling in Sao Tome and Principe?
Over the last ten years it is down 85.5%. 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 Precipitation anomalies. 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

Indicator
Precipitation anomalies
Unit
millimeters
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
192 places, 16,512 data points, 1940–2025
Last refreshed

The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.