Autumn temperature anomalies in Cook Islands
Cook Islands: Autumn temperature anomalies was -0.156 °C in 2025. ◆ Volatile
Autumn temperature anomalies in Cook Islands, 1940–2025
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Cook Islands recorded -0.156 °C for autumn temperature anomalies in 2025.
That represents a change of down 126.9% on the previous year and up 87.3% over ten years.
Over the whole period, autumn temperature anomalies in Cook Islands peaked at 1.49 °C in 2016 and was at its lowest, -1.86 °C, in 1982.
That places Cook Islands 180th 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.
Autumn temperature anomalies in Cook Islands, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.6356 °C | — |
| 1941 | -0.4534 °C | -28.7% |
| 1942 | -1.21 °C | +166.4% |
| 1943 | 0.2373 °C | -119.6% |
| 1944 | 0.8902 °C | +275.2% |
| 1945 | -0.5048 °C | -156.7% |
| 1946 | -0.2579 °C | -48.9% |
| 1947 | 0.5467 °C | -312.0% |
| 1948 | -0.4513 °C | -182.5% |
| 1949 | 0.23 °C | -151.0% |
| 1950 | -0.2372 °C | -203.1% |
| 1951 | -1.12 °C | +374.2% |
| 1952 | 0.1263 °C | -111.2% |
| 1953 | -0.7228 °C | -672.4% |
| 1954 | -0.0521 °C | -92.8% |
| 1955 | -0.1158 °C | +122.4% |
| 1956 | -0.8032 °C | +593.7% |
| 1957 | -0.5465 °C | -32.0% |
| 1958 | -1.23 °C | +126.0% |
| 1959 | -1.47 °C | +18.8% |
| 1960 | 0.2575 °C | -117.5% |
| 1961 | -0.0983 °C | -138.2% |
| 1962 | 0.0391 °C | -139.7% |
| 1963 | -0.5127 °C | -1412.2% |
| 1964 | 0.5415 °C | -205.6% |
| 1965 | -1.08 °C | -300.2% |
| 1966 | -1.12 °C | +3.0% |
| 1967 | -0.2337 °C | -79.1% |
| 1968 | -0.1644 °C | -29.6% |
| 1969 | -0.3106 °C | +89.0% |
| 1970 | -0.2196 °C | -29.3% |
| 1971 | 0.0729 °C | -133.2% |
| 1972 | -0.9756 °C | -1439.1% |
| 1973 | 0.9843 °C | -200.9% |
| 1974 | -0.2213 °C | -122.5% |
| 1975 | 0.2185 °C | -198.8% |
| 1976 | -0.413 °C | -289.0% |
| 1977 | -1.34 °C | +224.5% |
| 1978 | -0.2167 °C | -83.8% |
| 1979 | -0.1367 °C | -36.9% |
| 1980 | -0.2462 °C | +80.1% |
| 1981 | 0.2212 °C | -189.8% |
| 1982 | -1.86 °C | -943.0% |
| 1983 | -0.3407 °C | -81.7% |
| 1984 | -0.7073 °C | +107.6% |
| 1985 | -1.2 °C | +69.9% |
| 1986 | -0.4054 °C | -66.3% |
| 1987 | -1.02 °C | +150.8% |
| 1988 | 0.5401 °C | -153.1% |
| 1989 | 0.2488 °C | -53.9% |
| 1990 | -0.107 °C | -143.0% |
| 1991 | -0.7596 °C | +609.8% |
| 1992 | 0.7883 °C | -203.8% |
| 1993 | -0.4871 °C | -161.8% |
| 1994 | -1.36 °C | +179.2% |
| 1995 | -0.4142 °C | -69.5% |
| 1996 | -0.245 °C | -40.9% |
| 1997 | -1.26 °C | +415.8% |
| 1998 | -0.426 °C | -66.3% |
| 1999 | -0.3619 °C | -15.0% |
| 2000 | 0.1333 °C | -136.8% |
| 2001 | -0.883 °C | -762.5% |
| 2002 | -0.3381 °C | -61.7% |
| 2003 | 0.4941 °C | -246.1% |
| 2004 | -0.1723 °C | -134.9% |
| 2005 | 0.6387 °C | -470.8% |
| 2006 | -0.1213 °C | -119.0% |
| 2007 | 0.3204 °C | -364.0% |
| 2008 | 0.4591 °C | +43.3% |
| 2009 | -0.5998 °C | -230.7% |
| 2010 | 1.35 °C | -325.4% |
| 2011 | 1.43 °C | +5.4% |
| 2012 | 0.2788 °C | -80.4% |
| 2013 | 0.4223 °C | +51.5% |
| 2014 | -0.154 °C | -136.5% |
| 2015 | -1.23 °C | +700.1% |
| 2016 | 1.49 °C | -220.6% |
| 2017 | -0.0284 °C | -101.9% |
| 2018 | 0.3158 °C | -1212.1% |
| 2019 | -0.0083 °C | -102.6% |
| 2020 | 0.7399 °C | -8992.9% |
| 2021 | 0.9413 °C | +27.2% |
| 2022 | 0.8001 °C | -15.0% |
| 2023 | -0.4691 °C | -158.6% |
| 2024 | 0.5788 °C | -223.4% |
| 2025 | -0.156 °C | -126.9% |
Biggest year-on-year movements
Years where Autumn temperature anomalies in Cook Islands 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 |
|---|---|---|---|
| 2020 | +8992.9% | -0.0083 °C | 0.7399 °C |
| 1972 | -1439.1% | 0.0729 °C | -0.9756 °C |
| 1963 | -1412.2% | 0.0391 °C | -0.5127 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.1607 °C | -1.21 °C | 0.8902 °C | 10 |
| 1950s | -0.6178 °C | -1.47 °C | 0.1263 °C | 10 |
| 1960s | -0.2682 °C | -1.12 °C | 0.5415 °C | 10 |
| 1970s | -0.2247 °C | -1.34 °C | 0.9843 °C | 10 |
| 1980s | -0.4773 °C | -1.86 °C | 0.5401 °C | 10 |
| 1990s | -0.4636 °C | -1.36 °C | 0.7883 °C | 10 |
| 2000s | -0.0069 °C | -0.883 °C | 0.6387 °C | 10 |
| 2010s | 0.3858 °C | -1.23 °C | 1.49 °C | 10 |
| 2020s | 0.4058 °C | -0.4691 °C | 0.9413 °C | 6 |
Countries ranked near Cook Islands
More climate change data for Cook Islands
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 25,902 kg (2050)
- Emissions from livestock — Emissions (CO2eq) 35.8 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 5.43 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 30.36 kt (2050)
- Emissions from livestock — Emissions 0.0205 kt (2050)
- Emissions from livestock — Emissions 1.08 kt (2050)
- Emissions from crops — Emissions (CO2eq) 0.1325 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 0.1325 kt (2050)
- Emissions from crops — Emissions 0.0005 kt (2050)
- Synthetic Fertilizers — Emissions (CO2eq) 0.1325 kt (2050)
Frequently asked questions
- What is autumn temperature anomalies in Cook Islands?
- Autumn temperature anomalies in Cook Islands was -0.156 °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 Cook Islands?
- The highest recorded value was 1.49 °C in 2016.
- What is the lowest autumn temperature anomalies recorded in Cook Islands?
- The lowest recorded value was -1.86 °C in 1982.
- How does Cook Islands rank for autumn temperature anomalies?
- Cook Islands ranks 180th out of 193 countries with data for 2025.
- Is autumn temperature anomalies rising or falling in Cook Islands?
- Over the last ten years it is up 87.3%. The long-run trend across the full record is volatile.
- Where does this Cook Islands 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.