Winter temperature anomalies in American Samoa
American Samoa: Winter temperature anomalies was 0.2171 °C in 2025. ◆ Volatile
Latest (2025)
0.2171 °C
Change on year
down 52.1%
World rank
155th
of 193 countries
All-time high
0.6264 °C
in 2004
All-time low
-1.33 °C
in 1955
Years of data
86
1940–2025
Winter 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
The most recent figure for winter temperature anomalies in American Samoa is 0.2171 °C, measured in 2025.
The figure is down 52.1% on the previous year and down 3.3% over ten years.
Over the whole period, winter temperature anomalies in American Samoa peaked at 0.6264 °C in 2004 and was at its lowest, -1.33 °C, in 1955.
American Samoa ranks 155th 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.
Winter temperature anomalies in American Samoa, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.1293 °C | — |
| 1941 | -0.4885 °C | +277.9% |
| 1942 | -1.15 °C | +135.7% |
| 1943 | -0.9701 °C | -15.7% |
| 1944 | -0.9333 °C | -3.8% |
| 1945 | -0.8046 °C | -13.8% |
| 1946 | -0.5588 °C | -30.6% |
| 1947 | -0.6207 °C | +11.1% |
| 1948 | -0.4517 °C | -27.2% |
| 1949 | -0.6493 °C | +43.7% |
| 1950 | -0.6776 °C | +4.4% |
| 1951 | -0.3287 °C | -51.5% |
| 1952 | -0.2304 °C | -29.9% |
| 1953 | -0.4949 °C | +114.8% |
| 1954 | -0.9458 °C | +91.1% |
| 1955 | -1.33 °C | +40.5% |
| 1956 | -0.567 °C | -57.3% |
| 1957 | -0.3619 °C | -36.2% |
| 1958 | -0.8237 °C | +127.6% |
| 1959 | -0.4701 °C | -42.9% |
| 1960 | -0.43 °C | -8.5% |
| 1961 | -0.6439 °C | +49.7% |
| 1962 | -0.6831 °C | +6.1% |
| 1963 | -0.112 °C | -83.6% |
| 1964 | -1.14 °C | +914.2% |
| 1965 | -0.2158 °C | -81.0% |
| 1966 | -0.5088 °C | +135.8% |
| 1967 | -0.697 °C | +37.0% |
| 1968 | 0.273 °C | -139.2% |
| 1969 | -0.2346 °C | -185.9% |
| 1970 | -0.7226 °C | +207.9% |
| 1971 | -0.6076 °C | -15.9% |
| 1972 | -0.1034 °C | -83.0% |
| 1973 | -0.8457 °C | +717.5% |
| 1974 | -0.6673 °C | -21.1% |
| 1975 | -1.08 °C | +62.1% |
| 1976 | -0.5306 °C | -50.9% |
| 1977 | -0.3317 °C | -37.5% |
| 1978 | -0.3393 °C | +2.3% |
| 1979 | -0.6931 °C | +104.3% |
| 1980 | -0.1323 °C | -80.9% |
| 1981 | -0.5843 °C | +341.4% |
| 1982 | -0.6245 °C | +6.9% |
| 1983 | -0.4409 °C | -29.4% |
| 1984 | -0.8147 °C | +84.8% |
| 1985 | -0.5112 °C | -37.3% |
| 1986 | -0.0249 °C | -95.1% |
| 1987 | 0.0794 °C | -419.2% |
| 1988 | -1.04 °C | -1416.3% |
| 1989 | -0.5762 °C | -44.9% |
| 1990 | -0.1657 °C | -71.2% |
| 1991 | -0.1676 °C | +1.1% |
| 1992 | -0.1021 °C | -39.0% |
| 1993 | 0.0611 °C | -159.8% |
| 1994 | 0.109 °C | +78.4% |
| 1995 | 0.218 °C | +100.0% |
| 1996 | -0.3537 °C | -262.3% |
| 1997 | -0.2555 °C | -27.8% |
| 1998 | 0.1774 °C | -169.4% |
| 1999 | -0.0615 °C | -134.6% |
| 2000 | -0.0186 °C | -69.7% |
| 2001 | -0.0477 °C | +155.9% |
| 2002 | 0.6068 °C | -1372.3% |
| 2003 | -0.0021 °C | -100.3% |
| 2004 | 0.6264 °C | -29930.6% |
| 2005 | 0.1839 °C | -70.6% |
| 2006 | 0.0833 °C | -54.7% |
| 2007 | -0.7558 °C | -1007.8% |
| 2008 | -0.2819 °C | -62.7% |
| 2009 | -0.0727 °C | -74.2% |
| 2010 | -0.7399 °C | +917.5% |
| 2011 | -0.4354 °C | -41.2% |
| 2012 | -0.0284 °C | -93.5% |
| 2013 | -0.0517 °C | +81.9% |
| 2014 | 0.0815 °C | -257.7% |
| 2015 | 0.2245 °C | +175.6% |
| 2016 | 0.5959 °C | +165.4% |
| 2017 | 0.0766 °C | -87.1% |
| 2018 | 0.4058 °C | +429.5% |
| 2019 | 0.1181 °C | -70.9% |
| 2020 | -0.1937 °C | -264.0% |
| 2021 | -0.3359 °C | +73.4% |
| 2022 | -0.2632 °C | -21.7% |
| 2023 | 0.1293 °C | -149.1% |
| 2024 | 0.453 °C | +250.4% |
| 2025 | 0.2171 °C | -52.1% |
American Samoa compared with similar countries
- American Samoa's 0.2171 °C is below the median for high income countries, which is 1.2 °C, 18% of the median. (65 countries reporting)
- American Samoa's 0.2171 °C is below the median for East Asia & Pacific, which is 0.4368 °C, 50% of the median. (27 countries reporting)
Biggest year-on-year movements
Years where Winter 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 |
|---|---|---|---|
| 2004 | +29930.6% | -0.0021 °C | 0.6264 °C |
| 1988 | -1416.3% | 0.0794 °C | -1.04 °C |
| 2002 | +1372.3% | -0.0477 °C | 0.6068 °C |
| 2007 | -1007.8% | 0.0833 °C | -0.7558 °C |
| 1964 | -914.2% | -0.112 °C | -1.14 °C |
| 2010 | -917.5% | -0.0727 °C | -0.7399 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.6758 °C | -1.15 °C | -0.1293 °C | 10 |
| 1950s | -0.6229 °C | -1.33 °C | -0.2304 °C | 10 |
| 1960s | -0.4388 °C | -1.14 °C | 0.273 °C | 10 |
| 1970s | -0.5923 °C | -1.08 °C | -0.1034 °C | 10 |
| 1980s | -0.4675 °C | -1.04 °C | 0.0794 °C | 10 |
| 1990s | -0.0541 °C | -0.3537 °C | 0.218 °C | 10 |
| 2000s | 0.0321 °C | -0.7558 °C | 0.6264 °C | 10 |
| 2010s | 0.0247 °C | -0.7399 °C | 0.5959 °C | 10 |
| 2020s | 0.0011 °C | -0.3359 °C | 0.453 °C | 6 |
Countries ranked near American Samoa
- 152 Mauritius 0.2322 °C compare
- 153 Indonesia 0.223 °C compare
- 154 Saint Vincent and the Grenadines 0.2201 °C compare
- 156 South Africa 0.2153 °C compare
- 157 Panama 0.1292 °C compare
- 158 Sierra Leone 0.1178 °C compare
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 winter temperature anomalies in American Samoa?
- Winter temperature anomalies in American Samoa was 0.2171 °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 winter temperature anomalies recorded in American Samoa?
- The highest recorded value was 0.6264 °C in 2004.
- What is the lowest winter temperature anomalies recorded in American Samoa?
- The lowest recorded value was -1.33 °C in 1955.
- How does American Samoa rank for winter temperature anomalies?
- American Samoa ranks 155th out of 193 countries with data for 2025.
- Is winter temperature anomalies rising or falling in American Samoa?
- Over the last ten years it is down 3.3%. 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 Winter 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.