Costa Rica vs Samoa: Annual precipitation

Costa Rica
3,314 millimeters
in 2025
Samoa
3,284 millimeters
in 2025
Costa Rica rank
8th
Samoa rank
9th

Annual precipitation over time

  • Costa Rica
  • Samoa
01.0k2.0k3.0k4.0k5.0k194019822025

How they compare

Costa Rica currently reports 3,314 millimeters against 3,284 millimeters in Samoa, a difference of 30 millimeters.

The two have swapped places 15 times across 86 shared years of data; in 1940 it was Samoa ahead.

Costa Rica ranks 8th and Samoa ranks 9th of 192 countries.

Costa Rica has averaged higher in every one of the 9 decades both report.

Head to head by decade

Decade Costa Rica Samoa Difference Ahead
1940s 3,553 millimeters 2,650 millimeters 903.55 millimeters Costa Rica
1950s 3,482 millimeters 2,616 millimeters 866.79 millimeters Costa Rica
1960s 3,230 millimeters 2,712 millimeters 518.08 millimeters Costa Rica
1970s 3,689 millimeters 2,501 millimeters 1,188 millimeters Costa Rica
1980s 3,132 millimeters 2,594 millimeters 537.2 millimeters Costa Rica
1990s 3,233 millimeters 2,707 millimeters 525.83 millimeters Costa Rica
2000s 3,487 millimeters 2,850 millimeters 637.1 millimeters Costa Rica
2010s 3,403 millimeters 2,881 millimeters 521.63 millimeters Costa Rica
2020s 3,447 millimeters 3,001 millimeters 446.48 millimeters Costa Rica

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual precipitation, Costa Rica or Samoa?
Costa Rica, at 3,314 millimeters against 3,284 millimeters in Samoa as of 2025.
What is the difference in annual precipitation between Costa Rica and Samoa?
30 millimeters, with Costa Rica ahead.
How many years of comparable data are there for Costa Rica and Samoa?
86 years are reported by both, from 1940 to 2025.
How do Costa Rica and Samoa rank globally for annual precipitation?
Costa Rica ranks 8th 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.

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Costa Rica vs Samoa: Annual precipitation. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 18 September 2026, from https://climate.statizoid.com/compare/average-precipitation-per-year/costa-rica/samoa/

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About this data

Indicator
Annual precipitation
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

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.