Annual precipitation in Samoa
Samoa: Annual precipitation was 3,284 millimeters in 2025. ▲ Rising
Latest (2025)
3,284 millimeters
Change on year
up 7.8%
World rank
9th
of 192 countries
All-time high
3,985 millimeters
in 2020
All-time low
1,822 millimeters
in 1950
Years of data
86
1940–2025
Annual precipitation in Samoa, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in millimeters.
Analysis
Samoa recorded 3,284 millimeters for annual precipitation in 2025.
That represents a change of up 7.8% on the previous year and up 15.7% over ten years.
Over the whole period, annual precipitation in Samoa peaked at 3,985 millimeters in 2020 and was at its lowest, 1,822 millimeters, in 1950.
Samoa ranks 9th of 192 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 86 years of available data.
Annual precipitation in Samoa, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 3,094 millimeters | — |
| 1941 | 3,479 millimeters | +12.5% |
| 1942 | 2,704 millimeters | -22.3% |
| 1943 | 2,311 millimeters | -14.5% |
| 1944 | 2,569 millimeters | +11.2% |
| 1945 | 2,343 millimeters | -8.8% |
| 1946 | 2,475 millimeters | +5.6% |
| 1947 | 2,636 millimeters | +6.5% |
| 1948 | 2,837 millimeters | +7.6% |
| 1949 | 2,049 millimeters | -27.8% |
| 1950 | 1,822 millimeters | -11.1% |
| 1951 | 2,716 millimeters | +49.1% |
| 1952 | 3,137 millimeters | +15.5% |
| 1953 | 2,719 millimeters | -13.3% |
| 1954 | 2,466 millimeters | -9.3% |
| 1955 | 2,485 millimeters | +0.8% |
| 1956 | 2,318 millimeters | -6.7% |
| 1957 | 2,569 millimeters | +10.8% |
| 1958 | 2,740 millimeters | +6.7% |
| 1959 | 3,183 millimeters | +16.2% |
| 1960 | 3,388 millimeters | +6.4% |
| 1961 | 2,789 millimeters | -17.7% |
| 1962 | 2,709 millimeters | -2.9% |
| 1963 | 2,662 millimeters | -1.7% |
| 1964 | 2,537 millimeters | -4.7% |
| 1965 | 3,006 millimeters | +18.5% |
| 1966 | 2,480 millimeters | -17.5% |
| 1967 | 2,963 millimeters | +19.5% |
| 1968 | 2,181 millimeters | -26.4% |
| 1969 | 2,410 millimeters | +10.5% |
| 1970 | 2,264 millimeters | -6.1% |
| 1971 | 2,079 millimeters | -8.1% |
| 1972 | 2,715 millimeters | +30.6% |
| 1973 | 3,008 millimeters | +10.8% |
| 1974 | 2,088 millimeters | -30.6% |
| 1975 | 2,408 millimeters | +15.3% |
| 1976 | 2,187 millimeters | -9.2% |
| 1977 | 2,274 millimeters | +4.0% |
| 1978 | 3,755 millimeters | +65.1% |
| 1979 | 2,231 millimeters | -40.6% |
| 1980 | 2,435 millimeters | +9.1% |
| 1981 | 2,876 millimeters | +18.1% |
| 1982 | 2,399 millimeters | -16.6% |
| 1983 | 2,015 millimeters | -16.0% |
| 1984 | 2,816 millimeters | +39.8% |
| 1985 | 2,532 millimeters | -10.1% |
| 1986 | 2,836 millimeters | +12.0% |
| 1987 | 2,231 millimeters | -21.3% |
| 1988 | 3,135 millimeters | +40.5% |
| 1989 | 2,668 millimeters | -14.9% |
| 1990 | 2,825 millimeters | +5.9% |
| 1991 | 2,981 millimeters | +5.5% |
| 1992 | 2,553 millimeters | -14.4% |
| 1993 | 2,643 millimeters | +3.5% |
| 1994 | 2,580 millimeters | -2.4% |
| 1995 | 2,945 millimeters | +14.1% |
| 1996 | 2,831 millimeters | -3.9% |
| 1997 | 2,812 millimeters | -0.7% |
| 1998 | 2,368 millimeters | -15.8% |
| 1999 | 2,532 millimeters | +6.9% |
| 2000 | 2,483 millimeters | -1.9% |
| 2001 | 2,914 millimeters | +17.4% |
| 2002 | 2,675 millimeters | -8.2% |
| 2003 | 3,064 millimeters | +14.5% |
| 2004 | 2,677 millimeters | -12.6% |
| 2005 | 2,790 millimeters | +4.2% |
| 2006 | 3,522 millimeters | +26.3% |
| 2007 | 3,206 millimeters | -9.0% |
| 2008 | 2,738 millimeters | -14.6% |
| 2009 | 2,427 millimeters | -11.4% |
| 2010 | 2,727 millimeters | +12.4% |
| 2011 | 2,451 millimeters | -10.1% |
| 2012 | 3,023 millimeters | +23.3% |
| 2013 | 2,841 millimeters | -6.0% |
| 2014 | 2,884 millimeters | +1.5% |
| 2015 | 2,838 millimeters | -1.6% |
| 2016 | 2,487 millimeters | -12.4% |
| 2017 | 3,369 millimeters | +35.5% |
| 2018 | 3,291 millimeters | -2.3% |
| 2019 | 2,904 millimeters | -11.8% |
| 2020 | 3,985 millimeters | +37.2% |
| 2021 | 2,666 millimeters | -33.1% |
| 2022 | 2,255 millimeters | -15.4% |
| 2023 | 2,769 millimeters | +22.8% |
| 2024 | 3,046 millimeters | +10.0% |
| 2025 | 3,284 millimeters | +7.8% |
Samoa compared with similar countries
- Samoa's 3,284 millimeters is above the median for upper middle income countries, which is 1,018 millimeters, 3.2× the median. (50 countries reporting)
- Samoa's 3,284 millimeters is above the median for East Asia & Pacific, which is 1,984 millimeters, 1.7× the median. (27 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 2,650 millimeters | 2,049 millimeters | 3,479 millimeters | 10 |
| 1950s | 2,616 millimeters | 1,822 millimeters | 3,183 millimeters | 10 |
| 1960s | 2,712 millimeters | 2,181 millimeters | 3,388 millimeters | 10 |
| 1970s | 2,501 millimeters | 2,079 millimeters | 3,755 millimeters | 10 |
| 1980s | 2,594 millimeters | 2,015 millimeters | 3,135 millimeters | 10 |
| 1990s | 2,707 millimeters | 2,368 millimeters | 2,981 millimeters | 10 |
| 2000s | 2,850 millimeters | 2,427 millimeters | 3,522 millimeters | 10 |
| 2010s | 2,881 millimeters | 2,451 millimeters | 3,369 millimeters | 10 |
| 2020s | 3,001 millimeters | 2,255 millimeters | 3,985 millimeters | 6 |
Countries ranked near Samoa
More climate change data for Samoa
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 18,792 kg (2050)
- Emissions from livestock — Emissions (CO2eq) 319.45 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 61.35 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 258.11 kt (2050)
- Emissions from livestock — Emissions 0.2315 kt (2050)
- Emissions from livestock — Emissions 9.22 kt (2050)
- Emissions from crops — Emissions (CO2eq) 0.106 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 0.106 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 0 kt (2050)
- Emissions from crops — Emissions 0.0004 kt (2050)
Frequently asked questions
- What is annual precipitation in Samoa?
- Annual precipitation in Samoa was 3,284 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 annual precipitation recorded in Samoa?
- The highest recorded value was 3,985 millimeters in 2020.
- What is the lowest annual precipitation recorded in Samoa?
- The lowest recorded value was 1,822 millimeters in 1950.
- How does Samoa rank for annual precipitation?
- Samoa ranks 9th out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Samoa?
- Over the last ten years it is up 15.7%. The long-run trend across the full record is rising.
- 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 Annual precipitation. 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
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.