American Samoa vs Samoa: Annual precipitation
American Samoa
2,994 millimeters
in 2025
Samoa
3,284 millimeters
in 2025
American Samoa rank
12th
Samoa rank
9th
Annual precipitation over time
- American Samoa
- Samoa
How they compare
Samoa currently reports 3,284 millimeters against 2,994 millimeters in American Samoa, a difference of 290 millimeters.
That makes Samoa's figure about 1.1 times American Samoa's.
The two have swapped places 20 times across 86 shared years of data; in 1940 it was Samoa ahead.
American Samoa ranks 12th and Samoa ranks 9th of 192 countries.
Samoa has averaged higher in every one of the 9 decades both report.
Head to head by decade
| Decade | American Samoa | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 2,387 millimeters | 2,650 millimeters | 263.15 millimeters | Samoa |
| 1950s | 2,468 millimeters | 2,616 millimeters | 148.12 millimeters | Samoa |
| 1960s | 2,374 millimeters | 2,712 millimeters | 338.08 millimeters | Samoa |
| 1970s | 2,318 millimeters | 2,501 millimeters | 182.56 millimeters | Samoa |
| 1980s | 2,207 millimeters | 2,594 millimeters | 387.15 millimeters | Samoa |
| 1990s | 2,346 millimeters | 2,707 millimeters | 360.68 millimeters | Samoa |
| 2000s | 2,652 millimeters | 2,850 millimeters | 197.67 millimeters | Samoa |
| 2010s | 2,656 millimeters | 2,881 millimeters | 224.87 millimeters | Samoa |
| 2020s | 2,586 millimeters | 3,001 millimeters | 414.85 millimeters | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual precipitation, American Samoa or Samoa?
- Samoa, at 3,284 millimeters against 2,994 millimeters in American Samoa as of 2025.
- What is the difference in annual precipitation between American Samoa and Samoa?
- 290 millimeters, with Samoa ahead.
- How many years of comparable data are there for American Samoa and Samoa?
- 86 years are reported by both, from 1940 to 2025.
- How do American Samoa and Samoa rank globally for annual precipitation?
- American Samoa ranks 12th and Samoa ranks 9th of 192 countries.
- Where does this data come from?
- Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Annual precipitation. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.