Annual temperature anomalies in American Samoa
American Samoa: Annual temperature anomalies was 0.1717 °C in 2025. ◆ Volatile
Latest (2025)
0.1717 °C
Change on year
down 68.9%
World rank
172nd
of 193 countries
All-time high
0.5524 °C
in 2024
All-time low
-0.7592 °C
in 1955
Years of data
86
1940–2025
Annual temperature anomalies in American Samoa, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
In 2025, annual temperature anomalies in American Samoa stood at 0.1717 °C.
That represents a change of down 68.9% on the previous year and up 657.7% over ten years.
Over the whole period, annual temperature anomalies in American Samoa peaked at 0.5524 °C in 2024 and was at its lowest, -0.7592 °C, in 1955.
That places American Samoa 172nd out of 193 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual temperature anomalies in American Samoa, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.3316 °C | — |
| 1941 | -0.3716 °C | +12.1% |
| 1942 | -0.6961 °C | +87.3% |
| 1943 | -0.6766 °C | -2.8% |
| 1944 | -0.3017 °C | -55.4% |
| 1945 | -0.4774 °C | +58.2% |
| 1946 | -0.5018 °C | +5.1% |
| 1947 | -0.3028 °C | -39.6% |
| 1948 | -0.4568 °C | +50.8% |
| 1949 | -0.3389 °C | -25.8% |
| 1950 | -0.5738 °C | +69.3% |
| 1951 | -0.4142 °C | -27.8% |
| 1952 | -0.1974 °C | -52.4% |
| 1953 | -0.3167 °C | +60.5% |
| 1954 | -0.5549 °C | +75.2% |
| 1955 | -0.7592 °C | +36.8% |
| 1956 | -0.7069 °C | -6.9% |
| 1957 | -0.4377 °C | -38.1% |
| 1958 | -0.3559 °C | -18.7% |
| 1959 | -0.2831 °C | -20.5% |
| 1960 | -0.3795 °C | +34.1% |
| 1961 | -0.4282 °C | +12.8% |
| 1962 | -0.5366 °C | +25.3% |
| 1963 | -0.2643 °C | -50.7% |
| 1964 | -0.3434 °C | +29.9% |
| 1965 | -0.5121 °C | +49.1% |
| 1966 | -0.2274 °C | -55.6% |
| 1967 | -0.4929 °C | +116.7% |
| 1968 | -0.1965 °C | -60.1% |
| 1969 | -0.1509 °C | -23.2% |
| 1970 | -0.2735 °C | +81.3% |
| 1971 | -0.6141 °C | +124.6% |
| 1972 | -0.3308 °C | -46.1% |
| 1973 | -0.3905 °C | +18.0% |
| 1974 | -0.6396 °C | +63.8% |
| 1975 | -0.6591 °C | +3.1% |
| 1976 | -0.6065 °C | -8.0% |
| 1977 | -0.4157 °C | -31.4% |
| 1978 | -0.4358 °C | +4.8% |
| 1979 | -0.2753 °C | -36.8% |
| 1980 | -0.1077 °C | -60.9% |
| 1981 | -0.3429 °C | +218.5% |
| 1982 | -0.1534 °C | -55.3% |
| 1983 | -0.3837 °C | +150.1% |
| 1984 | -0.493 °C | +28.5% |
| 1985 | -0.4907 °C | -0.5% |
| 1986 | -0.3758 °C | -23.4% |
| 1987 | -0.5143 °C | +36.9% |
| 1988 | -0.3608 °C | -29.8% |
| 1989 | -0.5496 °C | +52.3% |
| 1990 | -0.1448 °C | -73.7% |
| 1991 | 0.1144 °C | -179.0% |
| 1992 | -0.0149 °C | -113.0% |
| 1993 | -0.1984 °C | +1232.5% |
| 1994 | -0.1502 °C | -24.3% |
| 1995 | -0.0186 °C | -87.6% |
| 1996 | -0.2364 °C | +1168.6% |
| 1997 | -0.2329 °C | -1.5% |
| 1998 | -0.2169 °C | -6.8% |
| 1999 | -0.2935 °C | +35.3% |
| 2000 | -0.2975 °C | +1.4% |
| 2001 | -0.1222 °C | -58.9% |
| 2002 | 0.197 °C | -261.3% |
| 2003 | 0.0407 °C | -79.3% |
| 2004 | 0.2316 °C | +468.8% |
| 2005 | 0.1897 °C | -18.1% |
| 2006 | -0.0467 °C | -124.6% |
| 2007 | 0.0766 °C | -264.0% |
| 2008 | -0.3719 °C | -585.8% |
| 2009 | -0.0982 °C | -73.6% |
| 2010 | 0.1829 °C | -286.3% |
| 2011 | -0.3616 °C | -297.7% |
| 2012 | -0.0587 °C | -83.8% |
| 2013 | 0.1049 °C | -278.7% |
| 2014 | 0.0759 °C | -27.7% |
| 2015 | -0.0308 °C | -140.6% |
| 2016 | 0.3821 °C | -1340.9% |
| 2017 | 0.2867 °C | -25.0% |
| 2018 | 0.1449 °C | -49.4% |
| 2019 | 0.4937 °C | +240.7% |
| 2020 | 0.2284 °C | -53.7% |
| 2021 | -0.0098 °C | -104.3% |
| 2022 | -0.1959 °C | +1897.2% |
| 2023 | 0.2396 °C | -222.4% |
| 2024 | 0.5524 °C | +130.5% |
| 2025 | 0.1717 °C | -68.9% |
American Samoa compared with similar countries
- American Samoa's 0.1717 °C is below the median for high income countries, which is 0.8095 °C, 21% of the median. (65 countries reporting)
- American Samoa's 0.1717 °C is below the median for East Asia & Pacific, which is 0.4414 °C, 39% of the median. (27 countries reporting)
Biggest year-on-year movements
Years where Annual temperature anomalies in American Samoa changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2022 | -1897.2% | -0.0098 °C | -0.1959 °C |
| 2016 | +1340.9% | -0.0308 °C | 0.3821 °C |
| 1993 | -1232.5% | -0.0149 °C | -0.1984 °C |
| 1996 | -1168.6% | -0.0186 °C | -0.2364 °C |
| 2008 | -585.8% | 0.0766 °C | -0.3719 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.4455 °C | -0.6961 °C | -0.3017 °C | 10 |
| 1950s | -0.46 °C | -0.7592 °C | -0.1974 °C | 10 |
| 1960s | -0.3532 °C | -0.5366 °C | -0.1509 °C | 10 |
| 1970s | -0.4641 °C | -0.6591 °C | -0.2735 °C | 10 |
| 1980s | -0.3772 °C | -0.5496 °C | -0.1077 °C | 10 |
| 1990s | -0.1392 °C | -0.2935 °C | 0.1144 °C | 10 |
| 2000s | -0.0201 °C | -0.3719 °C | 0.2316 °C | 10 |
| 2010s | 0.122 °C | -0.3616 °C | 0.4937 °C | 10 |
| 2020s | 0.1644 °C | -0.1959 °C | 0.5524 °C | 6 |
Countries ranked near American Samoa
- 169 Hong Kong 0.2065 °C compare
- 170 Seychelles 0.2043 °C compare
- 171 French Polynesia 0.1841 °C compare
- 173 Cook Islands 0.1703 °C compare
- 174 Brazil 0.1618 °C compare
- 175 Samoa 0.1454 °C compare
More reference data data for American Samoa
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Burning - Crop 0.0005 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Burning - Crop 0.0018 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - IPCC Agriculture 0.0023 (2050)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Burning - Crop residues 0.0023 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 0.0005 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 0.0018 (2050)
- Emission Totals - Emissions (CH4) - Burning - Crop residues 0.0001 (2050)
- Emission Totals - Emissions (CH4) - IPCC Agriculture 0.0001 (2050)
Frequently asked questions
- What is annual temperature anomalies in American Samoa?
- Annual temperature anomalies in American Samoa was 0.1717 °C 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 temperature anomalies recorded in American Samoa?
- The highest recorded value was 0.5524 °C in 2024.
- What is the lowest annual temperature anomalies recorded in American Samoa?
- The lowest recorded value was -0.7592 °C in 1955.
- How does American Samoa rank for annual temperature anomalies?
- American Samoa ranks 172nd out of 193 countries with data for 2025.
- Is annual temperature anomalies rising or falling in American Samoa?
- Over the last ten years it is up 657.7%. The long-run trend across the full record is volatile.
- Where does this American 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 temperature 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
Difference of a specific year's average surface temperature from the 1991-2020 mean, in degrees Celsius.