Data and sources
This section brings together reliable climate and agriculture data, always with a clear source so you can check it.
Loading…
This section brings together reliable climate and agriculture data, always with a clear source so you can check it.
Loading…
Every number here is fetched and checked automatically from these public sources; nothing is typed in by hand. Each number is checked before it's published (known country, sensible year and value, no duplicates). If a source fails, the last good data stays online with its date.
Last updated Oct 22, 2026Up to date
Free to use, with credit to NASA Langley Research Center POWER Project
Last updated Oct 22, 2026Up to date
Total rain and snow in a year near the capital city, from satellite and weather models.
Measured near the capital city, Apia.
2,167 mm
Latest data: 2025 · Millimetres
Source: NASA POWER (Prediction Of Worldwide Energy Resources) · Licence: Free to use, with credit to NASA Langley Research Center POWER Project · Fetched Oct 22, 2026 · Check at the source
| Year | Value |
|---|---|
| 2025 | 2,167 mm |
| 2024 | 1,825 mm |
| 2023 | 1,777 mm |
| 2022 | 1,335 mm |
| 2021 | 1,502 mm |
| 2020 | 2,499 mm |
| 2019 | 2,053 mm |
| 2018 | 1,861 mm |
| 2017 | 2,310 mm |
| 2016 | 2,008 mm |
| 2015 | 1,931 mm |
| 2014 | 1,748 mm |
| 2013 | 2,175 mm |
| 2012 | 1,809 mm |
| 2011 | 1,552 mm |
| 2010 | 1,878 mm |
| 2009 | 1,524 mm |
| 2008 | 1,706 mm |
| 2007 | 1,793 mm |
| 2006 | 2,109 mm |
| 2005 | 1,765 mm |
| 2004 | 1,393 mm |
| 2003 | 1,566 mm |
| 2002 | 1,610 mm |
| 2001 | 1,844 mm |