Autumn temperature anomalies in American Samoa
American Samoa: Autumn temperature anomalies was -0.3295 °C in 2025. ◆ Volatile
Latest (2025)
-0.3295 °C
Change on year
down 307.1%
World rank
186th
of 193 countries
All-time high
0.4158 °C
in 2012
All-time low
-1.02 °C
in 1942
Years of data
86
1940–2025
Autumn 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
American Samoa recorded -0.3295 °C for autumn temperature anomalies in 2025.
That represents a change of down 307.1% on the previous year and up 0.1% over ten years.
Over the whole period, autumn temperature anomalies in American Samoa peaked at 0.4158 °C in 2012 and was at its lowest, -1.02 °C, in 1942.
American Samoa ranks 186th of 193 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Autumn temperature anomalies in American Samoa, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.3502 °C | — |
| 1941 | -0.457 °C | +30.5% |
| 1942 | -1.02 °C | +123.2% |
| 1943 | -0.2918 °C | -71.4% |
| 1944 | 0.1171 °C | -140.1% |
| 1945 | -0.2955 °C | -352.5% |
| 1946 | -0.6131 °C | +107.4% |
| 1947 | -0.1776 °C | -71.0% |
| 1948 | -0.2557 °C | +44.0% |
| 1949 | -0.3674 °C | +43.7% |
| 1950 | -0.7135 °C | +94.2% |
| 1951 | -0.5738 °C | -19.6% |
| 1952 | -0.225 °C | -60.8% |
| 1953 | -0.6229 °C | +176.8% |
| 1954 | -0.2705 °C | -56.6% |
| 1955 | -0.4944 °C | +82.8% |
| 1956 | -0.674 °C | +36.3% |
| 1957 | -0.3763 °C | -44.2% |
| 1958 | -0.6584 °C | +75.0% |
| 1959 | -0.389 °C | -40.9% |
| 1960 | -0.1778 °C | -54.3% |
| 1961 | -0.1899 °C | +6.8% |
| 1962 | -0.5075 °C | +167.3% |
| 1963 | -0.3582 °C | -29.4% |
| 1964 | -0.5207 °C | +45.4% |
| 1965 | -0.5292 °C | +1.6% |
| 1966 | -0.4032 °C | -23.8% |
| 1967 | -0.0205 °C | -94.9% |
| 1968 | -0.1602 °C | +681.2% |
| 1969 | -0.449 °C | +180.3% |
| 1970 | -0.6959 °C | +55.0% |
| 1971 | -0.7843 °C | +12.7% |
| 1972 | -0.3582 °C | -54.3% |
| 1973 | -0.3963 °C | +10.7% |
| 1974 | -0.5003 °C | +26.3% |
| 1975 | -0.6894 °C | +37.8% |
| 1976 | -0.569 °C | -17.5% |
| 1977 | -0.5879 °C | +3.3% |
| 1978 | -0.3766 °C | -35.9% |
| 1979 | -0.3357 °C | -10.9% |
| 1980 | -0.0721 °C | -78.5% |
| 1981 | 0.0691 °C | -195.8% |
| 1982 | -0.4736 °C | -785.5% |
| 1983 | -0.4596 °C | -3.0% |
| 1984 | -0.4238 °C | -7.8% |
| 1985 | -0.5375 °C | +26.8% |
| 1986 | -0.4481 °C | -16.6% |
| 1987 | -0.7918 °C | +76.7% |
| 1988 | -0.1257 °C | -84.1% |
| 1989 | 0.0478 °C | -138.1% |
| 1990 | 0.2917 °C | +509.6% |
| 1991 | -0.0718 °C | -124.6% |
| 1992 | 0.2612 °C | -463.6% |
| 1993 | -0.108 °C | -141.3% |
| 1994 | -0.3323 °C | +207.7% |
| 1995 | -0.0604 °C | -81.8% |
| 1996 | -0.2056 °C | +240.3% |
| 1997 | 0.0219 °C | -110.6% |
| 1998 | -0.2402 °C | -1197.7% |
| 1999 | -0.3499 °C | +45.7% |
| 2000 | -0.1106 °C | -68.4% |
| 2001 | -0.2772 °C | +150.7% |
| 2002 | -0.0078 °C | -97.2% |
| 2003 | 0.1642 °C | -2210.1% |
| 2004 | 0.3221 °C | +96.1% |
| 2005 | 0.1194 °C | -62.9% |
| 2006 | -0.1211 °C | -201.4% |
| 2007 | 0.0726 °C | -159.9% |
| 2008 | -0.3824 °C | -627.0% |
| 2009 | -0.3906 °C | +2.1% |
| 2010 | -0.1165 °C | -70.2% |
| 2011 | -0.0586 °C | -49.7% |
| 2012 | 0.4158 °C | -809.6% |
| 2013 | 0.2019 °C | -51.4% |
| 2014 | 0.229 °C | +13.5% |
| 2015 | -0.3299 °C | -244.0% |
| 2016 | 0.325 °C | -198.5% |
| 2017 | 0.2687 °C | -17.3% |
| 2018 | 0.2888 °C | +7.4% |
| 2019 | 0.2673 °C | -7.4% |
| 2020 | 0.205 °C | -23.3% |
| 2021 | 0.2091 °C | +2.0% |
| 2022 | -0.0707 °C | -133.8% |
| 2023 | 0.1523 °C | -315.3% |
| 2024 | 0.1591 °C | +4.5% |
| 2025 | -0.3295 °C | -307.1% |
American Samoa compared with similar countries
- American Samoa's -0.3295 °C is below the median for high income countries, which is 0.653 °C. (65 countries reporting)
- American Samoa's -0.3295 °C is below the median for East Asia & Pacific, which is 0.512 °C. (27 countries reporting)
Biggest year-on-year movements
Years where Autumn 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 |
|---|---|---|---|
| 2003 | +2210.1% | -0.0078 °C | 0.1642 °C |
| 1998 | -1197.7% | 0.0219 °C | -0.2402 °C |
| 2012 | +809.6% | -0.0586 °C | 0.4158 °C |
| 1982 | -785.5% | 0.0691 °C | -0.4736 °C |
| 1968 | -681.2% | -0.0205 °C | -0.1602 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.3711 °C | -1.02 °C | 0.1171 °C | 10 |
| 1950s | -0.4998 °C | -0.7135 °C | -0.225 °C | 10 |
| 1960s | -0.3316 °C | -0.5292 °C | -0.0205 °C | 10 |
| 1970s | -0.5293 °C | -0.7843 °C | -0.3357 °C | 10 |
| 1980s | -0.3215 °C | -0.7918 °C | 0.0691 °C | 10 |
| 1990s | -0.0794 °C | -0.3499 °C | 0.2917 °C | 10 |
| 2000s | -0.0611 °C | -0.3906 °C | 0.3221 °C | 10 |
| 2010s | 0.1491 °C | -0.3299 °C | 0.4158 °C | 10 |
| 2020s | 0.0542 °C | -0.3295 °C | 0.2091 °C | 6 |
Countries ranked near American Samoa
More climate change data for American Samoa
- Spring temperature anomalies 0.1942 °C (2026)
- Summer temperature anomalies -0.1017 °C (2026)
- Temperature anomalies by month 0.0944 °C (2026)
- Share of global CO₂ emissions and population 0.0% (2100)
- Population, total, annual growth rate -1.57 % change on previous year (2025)
- Population, total, per unit of GDP 0.0001 units per US$ of GDP (2022)
- Urban population, annual growth rate -2.1 % change on previous year (2025)
- Urban population, per unit of GDP 0 units per US$ of GDP (2022)
- Urban population, per capita 0.8051 units per person (2025)
- Precipitation anomalies, annual growth rate 807.87 % change on previous year (2025)
Frequently asked questions
- What is autumn temperature anomalies in American Samoa?
- Autumn temperature anomalies in American Samoa was -0.3295 °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 autumn temperature anomalies recorded in American Samoa?
- The highest recorded value was 0.4158 °C in 2012.
- What is the lowest autumn temperature anomalies recorded in American Samoa?
- The lowest recorded value was -1.02 °C in 1942.
- How does American Samoa rank for autumn temperature anomalies?
- American Samoa ranks 186th out of 193 countries with data for 2025.
- Is autumn temperature anomalies rising or falling in American Samoa?
- Over the last ten years it is up 0.1%. 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 Autumn 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 in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.