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Average annual surface temperature in Cook Islands

Cook Islands: Average annual surface temperature was 24.5 °C in 2025. ▬ Flat

Latest (2025)
24.5 °C
Change on year
down 0.4%
World rank
75th
of 193 countries
All-time high
24.81 °C
in 2021
All-time low
23.31 °C
in 1958
Years of data
86
1940–2025

Average annual surface temperature in Cook Islands, 1940–2025

0510152025194019822025

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 average annual surface temperature in Cook Islands is 24.5 °C, measured in 2025.

Compared with earlier readings it is down 0.4% on the previous year and up 3.1% over ten years.

Over the whole period, average annual surface temperature in Cook Islands peaked at 24.81 °C in 2021 and was at its lowest, 23.31 °C, in 1958.

Cook Islands ranks 75th of 193 countries on this measure, in the middle of the range.

Average annual surface temperature in Cook Islands, year by year

Year °C Change
1940 23.41 °C —
1941 23.56 °C +0.6%
1942 23.78 °C +0.9%
1943 23.94 °C +0.7%
1944 23.91 °C -0.1%
1945 23.62 °C -1.2%
1946 24.02 °C +1.7%
1947 24.36 °C +1.4%
1948 23.86 °C -2.0%
1949 24.04 °C +0.7%
1950 24.01 °C -0.1%
1951 23.74 °C -1.1%
1952 24.37 °C +2.6%
1953 23.96 °C -1.7%
1954 23.96 °C -0.0%
1955 24.02 °C +0.2%
1956 23.96 °C -0.2%
1957 23.65 °C -1.3%
1958 23.31 °C -1.4%
1959 23.49 °C +0.8%
1960 24.05 °C +2.4%
1961 23.99 °C -0.2%
1962 23.95 °C -0.1%
1963 23.92 °C -0.1%
1964 24.25 °C +1.4%
1965 23.59 °C -2.7%
1966 23.81 °C +0.9%
1967 23.9 °C +0.4%
1968 24.16 °C +1.1%
1969 23.89 °C -1.1%
1970 24.27 °C +1.6%
1971 24.12 °C -0.6%
1972 23.86 °C -1.1%
1973 24.57 °C +3.0%
1974 24.25 °C -1.3%
1975 24.04 °C -0.9%
1976 23.88 °C -0.6%
1977 23.5 °C -1.6%
1978 23.82 °C +1.4%
1979 23.88 °C +0.2%
1980 24.12 °C +1.0%
1981 23.9 °C -0.9%
1982 23.64 °C -1.1%
1983 23.7 °C +0.2%
1984 23.76 °C +0.2%
1985 23.91 °C +0.7%
1986 23.93 °C +0.0%
1987 23.43 °C -2.1%
1988 24.45 °C +4.4%
1989 24.32 °C -0.5%
1990 24.18 °C -0.6%
1991 24.39 °C +0.9%
1992 24.08 °C -1.3%
1993 23.93 °C -0.6%
1994 23.77 °C -0.6%
1995 24.17 °C +1.7%
1996 24.45 °C +1.1%
1997 23.74 °C -2.9%
1998 23.93 °C +0.8%
1999 24.54 °C +2.5%
2000 24.42 °C -0.5%
2001 24.04 °C -1.5%
2002 24.31 °C +1.1%
2003 24.34 °C +0.1%
2004 24.5 °C +0.7%
2005 24.43 °C -0.3%
2006 24.37 °C -0.2%
2007 24.56 °C +0.8%
2008 24.44 °C -0.5%
2009 24.17 °C -1.1%
2010 24.8 °C +2.6%
2011 24.69 °C -0.4%
2012 24.32 °C -1.5%
2013 24.61 °C +1.2%
2014 24.3 °C -1.2%
2015 23.76 °C -2.2%
2016 24.43 °C +2.8%
2017 24.65 °C +0.9%
2018 24.44 °C -0.9%
2019 24.56 °C +0.5%
2020 24.69 °C +0.5%
2021 24.81 °C +0.5%
2022 24.7 °C -0.5%
2023 24.27 °C -1.7%
2024 24.59 °C +1.3%
2025 24.5 °C -0.4%

Averages by decade

DecadeAverage LowestHighest Years
1940s 23.85 °C 23.41 °C 24.36 °C 10
1950s 23.85 °C 23.31 °C 24.37 °C 10
1960s 23.95 °C 23.59 °C 24.25 °C 10
1970s 24.02 °C 23.5 °C 24.57 °C 10
1980s 23.92 °C 23.43 °C 24.45 °C 10
1990s 24.12 °C 23.74 °C 24.54 °C 10
2000s 24.36 °C 24.04 °C 24.56 °C 10
2010s 24.46 °C 23.76 °C 24.8 °C 10
2020s 24.59 °C 24.27 °C 24.81 °C 6

Countries ranked near Cook Islands

  1. 72 Democratic Republic of Congo 24.87 °C compare
  2. 73 Fiji 24.82 °C compare
  3. 74 Algeria 24.75 °C compare
  4. 76 Equatorial Guinea 24.35 °C compare
  5. 77 Mozambique 24.35 °C compare
  6. 78 Colombia 24.35 °C compare

See the full ranking of 193 places →

More reference data data for Cook Islands

All data for Cook Islands →

Frequently asked questions

What is average annual surface temperature in Cook Islands?
Average annual surface temperature in Cook Islands was 24.5 °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 average annual surface temperature recorded in Cook Islands?
The highest recorded value was 24.81 °C in 2021.
What is the lowest average annual surface temperature recorded in Cook Islands?
The lowest recorded value was 23.31 °C in 1958.
How does Cook Islands rank for average annual surface temperature?
Cook Islands ranks 75th out of 193 countries with data for 2025.
Is average annual surface temperature rising or falling in Cook Islands?
Over the last ten years it is up 3.1%. The long-run trend across the full record is flat.
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 Average annual surface temperature. Statizoid updates them automatically from the source API.

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CSV · JSON — 86 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Average annual surface temperature in Cook Islands. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/average-annual-surface-temperature/cook-islands/

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About this data

Indicator
Average annual surface temperature
Unit
°C
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 16,598 data points, 1940–2025
Last refreshed

Temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.