Precipitation anomalies in Samoa

Samoa: Precipitation anomalies was 432.88 millimeters in 2025. ◆ Volatile

Latest (2025)
432.88 millimeters
Change on year
up 122.8%
World rank
6th
of 192 countries
All-time high
1,133 millimeters
in 2020
All-time low
-1,029 millimeters
in 1950
Years of data
86
1940–2025

Precipitation anomalies in Samoa, 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 Samoa is 432.88 millimeters, measured in 2025.

Compared with earlier readings it is up 122.8% on the previous year and up 3,251.7% over ten years.

Over the whole period, precipitation anomalies in Samoa peaked at 1,133 millimeters in 2020 and was at its lowest, -1,029 millimeters, in 1950.

Samoa ranks 6th of 192 countries on this measure, in the top 10%.

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

Averages by decade

DecadeAverage LowestHighest Years
1940s -201.4 millimeters -802.42 millimeters 628.11 millimeters 10
1950s -235.61 millimeters -1,029 millimeters 331.9 millimeters 10
1960s -139.09 millimeters -670.55 millimeters 536.38 millimeters 10
1970s -350.39 millimeters -771.85 millimeters 903.62 millimeters 10
1980s -256.92 millimeters -836.68 millimeters 284.14 millimeters 10
1990s -144.35 millimeters -483.1 millimeters 129.87 millimeters 10
2000s -1.67 millimeters -424.74 millimeters 670.97 millimeters 10
2010s 30.02 millimeters -400.41 millimeters 517.64 millimeters 10
2020s 149.49 millimeters -596.39 millimeters 1,133 millimeters 6

Countries ranked near Samoa

  1. 3 Brunei 606.1 millimeters compare
  2. 4 New Caledonia 493 millimeters compare
  3. 5 Indonesia 460.93 millimeters compare
  4. 7 Sierra Leone 425.21 millimeters compare
  5. 8 American Samoa 406.76 millimeters compare
  6. 9 Vietnam 350.35 millimeters compare

See the full ranking of 192 places →

More reference data data for Samoa

All data for Samoa →

Frequently asked questions

What is precipitation anomalies in Samoa?
Precipitation anomalies in Samoa was 432.88 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 Samoa?
The highest recorded value was 1,133 millimeters in 2020.
What is the lowest precipitation anomalies recorded in Samoa?
The lowest recorded value was -1,029 millimeters in 1950.
How does Samoa rank for precipitation anomalies?
Samoa ranks 6th out of 192 countries with data for 2025.
Is precipitation anomalies rising or falling in Samoa?
Over the last ten years it is up 3,251.7%. The long-run trend across the full record is volatile.
Where does this Samoa 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.