Annual temperature anomalies in American Samoa
American Samoa: Annual temperature anomalies was 0.1717 in 2025. ◆ Volatile
Annual temperature anomalies in American Samoa, 1940–2025
Source: Our World in Data.
Analysis
In 2025, annual temperature anomalies in American Samoa stood at 0.1717.
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 in 2024 and was at its lowest, -0.7592, 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 | Value | Change |
|---|---|---|
| 1940 | -0.3316 | — |
| 1941 | -0.3716 | +12.1% |
| 1942 | -0.6961 | +87.3% |
| 1943 | -0.6766 | -2.8% |
| 1944 | -0.3017 | -55.4% |
| 1945 | -0.4774 | +58.2% |
| 1946 | -0.5018 | +5.1% |
| 1947 | -0.3028 | -39.6% |
| 1948 | -0.4568 | +50.8% |
| 1949 | -0.3389 | -25.8% |
| 1950 | -0.5738 | +69.3% |
| 1951 | -0.4142 | -27.8% |
| 1952 | -0.1974 | -52.4% |
| 1953 | -0.3167 | +60.5% |
| 1954 | -0.5549 | +75.2% |
| 1955 | -0.7592 | +36.8% |
| 1956 | -0.7069 | -6.9% |
| 1957 | -0.4377 | -38.1% |
| 1958 | -0.3559 | -18.7% |
| 1959 | -0.2831 | -20.5% |
| 1960 | -0.3795 | +34.1% |
| 1961 | -0.4282 | +12.8% |
| 1962 | -0.5366 | +25.3% |
| 1963 | -0.2643 | -50.7% |
| 1964 | -0.3434 | +29.9% |
| 1965 | -0.5121 | +49.1% |
| 1966 | -0.2274 | -55.6% |
| 1967 | -0.4929 | +116.7% |
| 1968 | -0.1965 | -60.1% |
| 1969 | -0.1509 | -23.2% |
| 1970 | -0.2735 | +81.3% |
| 1971 | -0.6141 | +124.6% |
| 1972 | -0.3308 | -46.1% |
| 1973 | -0.3905 | +18.0% |
| 1974 | -0.6396 | +63.8% |
| 1975 | -0.6591 | +3.1% |
| 1976 | -0.6065 | -8.0% |
| 1977 | -0.4157 | -31.4% |
| 1978 | -0.4358 | +4.8% |
| 1979 | -0.2753 | -36.8% |
| 1980 | -0.1077 | -60.9% |
| 1981 | -0.3429 | +218.5% |
| 1982 | -0.1534 | -55.3% |
| 1983 | -0.3837 | +150.1% |
| 1984 | -0.493 | +28.5% |
| 1985 | -0.4907 | -0.5% |
| 1986 | -0.3758 | -23.4% |
| 1987 | -0.5143 | +36.9% |
| 1988 | -0.3608 | -29.8% |
| 1989 | -0.5496 | +52.3% |
| 1990 | -0.1448 | -73.7% |
| 1991 | 0.1144 | -179.0% |
| 1992 | -0.0149 | -113.0% |
| 1993 | -0.1984 | +1232.5% |
| 1994 | -0.1502 | -24.3% |
| 1995 | -0.0186 | -87.6% |
| 1996 | -0.2364 | +1168.6% |
| 1997 | -0.2329 | -1.5% |
| 1998 | -0.2169 | -6.8% |
| 1999 | -0.2935 | +35.3% |
| 2000 | -0.2975 | +1.4% |
| 2001 | -0.1222 | -58.9% |
| 2002 | 0.197 | -261.3% |
| 2003 | 0.0407 | -79.3% |
| 2004 | 0.2316 | +468.8% |
| 2005 | 0.1897 | -18.1% |
| 2006 | -0.0467 | -124.6% |
| 2007 | 0.0766 | -264.0% |
| 2008 | -0.3719 | -585.8% |
| 2009 | -0.0982 | -73.6% |
| 2010 | 0.1829 | -286.3% |
| 2011 | -0.3616 | -297.7% |
| 2012 | -0.0587 | -83.8% |
| 2013 | 0.1049 | -278.7% |
| 2014 | 0.0759 | -27.7% |
| 2015 | -0.0308 | -140.6% |
| 2016 | 0.3821 | -1340.9% |
| 2017 | 0.2867 | -25.0% |
| 2018 | 0.1449 | -49.4% |
| 2019 | 0.4937 | +240.7% |
| 2020 | 0.2284 | -53.7% |
| 2021 | -0.0098 | -104.3% |
| 2022 | -0.1959 | +1897.2% |
| 2023 | 0.2396 | -222.4% |
| 2024 | 0.5524 | +130.5% |
| 2025 | 0.1717 | -68.9% |
American Samoa compared with similar countries
- American Samoa's 0.1717 is below the median for high income countries, which is 0.8095, 21% of the median. (65 countries reporting)
- American Samoa's 0.1717 is below the median for East Asia & Pacific, which is 0.4414, 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 | -0.1959 |
| 2016 | +1340.9% | -0.0308 | 0.3821 |
| 1993 | -1232.5% | -0.0149 | -0.1984 |
| 1996 | -1168.6% | -0.0186 | -0.2364 |
| 2008 | -585.8% | 0.0766 | -0.3719 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.4455 | -0.6961 | -0.3017 | 10 |
| 1950s | -0.46 | -0.7592 | -0.1974 | 10 |
| 1960s | -0.3532 | -0.5366 | -0.1509 | 10 |
| 1970s | -0.4641 | -0.6591 | -0.2735 | 10 |
| 1980s | -0.3772 | -0.5496 | -0.1077 | 10 |
| 1990s | -0.1392 | -0.2935 | 0.1144 | 10 |
| 2000s | -0.0201 | -0.3719 | 0.2316 | 10 |
| 2010s | 0.122 | -0.3616 | 0.4937 | 10 |
| 2020s | 0.1644 | -0.1959 | 0.5524 | 6 |
Countries ranked near American Samoa
- 169 Hong Kong 0.2065 compare
- 170 Seychelles 0.2043 compare
- 171 French Polynesia 0.1841 compare
- 173 Cook Islands 0.1703 compare
- 174 Brazil 0.1618 compare
- 175 Samoa 0.1454 compare
More reference data data for American Samoa
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Burning - Crop 0.0005 (2050)
- Summer temperature anomalies -0.1017 (2026)
- Autumn temperature anomalies 0.015 (2026)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0 (2050)
- Spring temperature anomalies 0.1942 (2026)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 0.0005 (2050)
- Country level monthly temperature anomalies 0.0944 (2026)
- Emission Totals - Emissions (CO2eq) (AR5) - IPCC Agriculture 0.0023 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Burning - Crop 0.0018 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 0.0018 (2050)
Frequently asked questions
- What is annual temperature anomalies in American Samoa?
- Annual temperature anomalies in American Samoa was 0.1717 in 2025, according to Our World in Data.
- What is the highest annual temperature anomalies recorded in American Samoa?
- The highest recorded value was 0.5524 in 2024.
- What is the lowest annual temperature anomalies recorded in American Samoa?
- The lowest recorded value was -0.7592 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 Our World in Data, published as part of Annual temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
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