Annual temperature anomalies in Cook Islands
Cook Islands: Annual temperature anomalies was 0.1703 °C in 2025. ◆ Volatile
Latest (2025)
0.1703 °C
Change on year
down 35.8%
World rank
173rd
of 193 countries
All-time high
0.4818 °C
in 2021
All-time low
-1.02 °C
in 1958
Years of data
86
1940–2025
Annual 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
The most recent figure for annual temperature anomalies in Cook Islands is 0.1703 °C, measured in 2025.
The figure is down 35.8% on the previous year and up 130.3% over ten years.
Over the whole period, annual temperature anomalies in Cook Islands peaked at 0.4818 °C in 2021 and was at its lowest, -1.02 °C, in 1958.
Cook Islands ranks 173rd 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.
Annual temperature anomalies in Cook Islands, year by year
| Year | °C | Change |
|---|---|---|
| 1940 | -0.9139 °C | — |
| 1941 | -0.7644 °C | -16.4% |
| 1942 | -0.5489 °C | -28.2% |
| 1943 | -0.3885 °C | -29.2% |
| 1944 | -0.4209 °C | +8.4% |
| 1945 | -0.703 °C | +67.0% |
| 1946 | -0.3114 °C | -55.7% |
| 1947 | 0.0343 °C | -111.0% |
| 1948 | -0.4645 °C | -1452.6% |
| 1949 | -0.2928 °C | -37.0% |
| 1950 | -0.3133 °C | +7.0% |
| 1951 | -0.5854 °C | +86.9% |
| 1952 | 0.0392 °C | -106.7% |
| 1953 | -0.3638 °C | -1028.0% |
| 1954 | -0.3709 °C | +1.9% |
| 1955 | -0.3125 °C | -15.7% |
| 1956 | -0.366 °C | +17.1% |
| 1957 | -0.6745 °C | +84.3% |
| 1958 | -1.02 °C | +50.7% |
| 1959 | -0.8387 °C | -17.5% |
| 1960 | -0.2823 °C | -66.3% |
| 1961 | -0.3375 °C | +19.6% |
| 1962 | -0.3729 °C | +10.5% |
| 1963 | -0.4055 °C | +8.7% |
| 1964 | -0.0772 °C | -81.0% |
| 1965 | -0.7371 °C | +855.2% |
| 1966 | -0.5146 °C | -30.2% |
| 1967 | -0.4272 °C | -17.0% |
| 1968 | -0.1691 °C | -60.4% |
| 1969 | -0.4371 °C | +158.5% |
| 1970 | -0.0568 °C | -87.0% |
| 1971 | -0.2039 °C | +259.1% |
| 1972 | -0.4707 °C | +130.8% |
| 1973 | 0.2388 °C | -150.7% |
| 1974 | -0.0775 °C | -132.4% |
| 1975 | -0.2924 °C | +277.5% |
| 1976 | -0.4462 °C | +52.6% |
| 1977 | -0.8297 °C | +85.9% |
| 1978 | -0.5061 °C | -39.0% |
| 1979 | -0.4486 °C | -11.4% |
| 1980 | -0.2067 °C | -53.9% |
| 1981 | -0.4235 °C | +104.9% |
| 1982 | -0.6857 °C | +61.9% |
| 1983 | -0.6269 °C | -8.6% |
| 1984 | -0.5725 °C | -8.7% |
| 1985 | -0.4133 °C | -27.8% |
| 1986 | -0.4025 °C | -2.6% |
| 1987 | -0.895 °C | +122.3% |
| 1988 | 0.1253 °C | -114.0% |
| 1989 | -0.0032 °C | -102.5% |
| 1990 | -0.1507 °C | +4671.7% |
| 1991 | 0.0575 °C | -138.2% |
| 1992 | -0.2526 °C | -539.1% |
| 1993 | -0.4019 °C | +59.1% |
| 1994 | -0.5527 °C | +37.5% |
| 1995 | -0.1538 °C | -72.2% |
| 1996 | 0.1221 °C | -179.4% |
| 1997 | -0.5866 °C | -580.5% |
| 1998 | -0.3933 °C | -33.0% |
| 1999 | 0.2149 °C | -154.6% |
| 2000 | 0.0907 °C | -57.8% |
| 2001 | -0.2873 °C | -416.6% |
| 2002 | -0.0169 °C | -94.1% |
| 2003 | 0.0084 °C | -149.7% |
| 2004 | 0.1721 °C | +1946.0% |
| 2005 | 0.1007 °C | -41.5% |
| 2006 | 0.0416 °C | -58.7% |
| 2007 | 0.2326 °C | +458.9% |
| 2008 | 0.1101 °C | -52.6% |
| 2009 | -0.1607 °C | -246.0% |
| 2010 | 0.4753 °C | -395.7% |
| 2011 | 0.364 °C | -23.4% |
| 2012 | -0.0042 °C | -101.2% |
| 2013 | 0.2793 °C | -6679.6% |
| 2014 | -0.0282 °C | -110.1% |
| 2015 | -0.5628 °C | +1893.6% |
| 2016 | 0.1068 °C | -119.0% |
| 2017 | 0.325 °C | +204.3% |
| 2018 | 0.1076 °C | -66.9% |
| 2019 | 0.2343 °C | +117.9% |
| 2020 | 0.358 °C | +52.8% |
| 2021 | 0.4818 °C | +34.6% |
| 2022 | 0.3687 °C | -23.5% |
| 2023 | -0.0532 °C | -114.4% |
| 2024 | 0.2655 °C | -598.7% |
| 2025 | 0.1703 °C | -35.8% |
Biggest year-on-year movements
Years where Annual 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 |
|---|---|---|---|
| 2013 | +6679.6% | -0.0042 °C | 0.2793 °C |
| 1990 | -4671.7% | -0.0032 °C | -0.1507 °C |
| 2004 | +1946.0% | 0.0084 °C | 0.1721 °C |
| 2015 | -1893.6% | -0.0282 °C | -0.5628 °C |
| 1948 | -1452.6% | 0.0343 °C | -0.4645 °C |
| 1953 | -1028.0% | 0.0392 °C | -0.3638 °C |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.4774 °C | -0.9139 °C | 0.0343 °C | 10 |
| 1950s | -0.4802 °C | -1.02 °C | 0.0392 °C | 10 |
| 1960s | -0.376 °C | -0.7371 °C | -0.0772 °C | 10 |
| 1970s | -0.3093 °C | -0.8297 °C | 0.2388 °C | 10 |
| 1980s | -0.4104 °C | -0.895 °C | 0.1253 °C | 10 |
| 1990s | -0.2097 °C | -0.5866 °C | 0.2149 °C | 10 |
| 2000s | 0.0291 °C | -0.2873 °C | 0.2326 °C | 10 |
| 2010s | 0.1297 °C | -0.5628 °C | 0.4753 °C | 10 |
| 2020s | 0.2652 °C | -0.0532 °C | 0.4818 °C | 6 |
Countries ranked near Cook Islands
- 170 Seychelles 0.2043 °C compare
- 171 French Polynesia 0.1841 °C compare
- 172 American Samoa 0.1717 °C compare
- 174 Brazil 0.1618 °C compare
- 175 Samoa 0.1454 °C compare
- 176 Malawi 0.1382 °C compare
More reference data data for Cook Islands
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0002 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.003 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0034 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0034 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure Management 29.57 (2050)
- Emission Totals - Emissions (CH4) - IPCC Agriculture 1.07 (2050)
- Emission Totals - Emissions (CH4) - Enteric Fermentation 0.0915 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Manure Management 27.37 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 29.94 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Enteric 2.56 (2050)
Frequently asked questions
- What is annual temperature anomalies in Cook Islands?
- Annual temperature anomalies in Cook Islands was 0.1703 °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 Cook Islands?
- The highest recorded value was 0.4818 °C in 2021.
- What is the lowest annual temperature anomalies recorded in Cook Islands?
- The lowest recorded value was -1.02 °C in 1958.
- How does Cook Islands rank for annual temperature anomalies?
- Cook Islands ranks 173rd out of 193 countries with data for 2025.
- Is annual temperature anomalies rising or falling in Cook Islands?
- Over the last ten years it is up 130.3%. 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 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.