Summer temperature anomalies in Cook Islands
Cook Islands: Summer temperature anomalies was -0.6719 °C in 2026. ◆ Volatile
Summer temperature anomalies in Cook Islands, 1940–2026
Source: Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Measured in °C.
Analysis
Cook Islands recorded -0.6719 °C for summer temperature anomalies in 2026.
Compared with earlier readings it is down 1,069.9% on the previous year and down 190.1% over ten years.
Over the whole period, summer temperature anomalies in Cook Islands peaked at 1.3 °C in 2013 and was at its lowest, -1.76 °C, in 1940.
Cook Islands ranks 190th 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.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -0.5827 °C | -1.76 °C | 0.4416 °C | 10 |
| 1950s | -0.3007 °C | -1.1 °C | 0.2964 °C | 10 |
| 1960s | -0.201 °C | -0.9172 °C | 0.3896 °C | 10 |
| 1970s | -0.2633 °C | -1.04 °C | 0.0692 °C | 10 |
| 1980s | -0.5235 °C | -1.16 °C | 0.4206 °C | 10 |
| 1990s | -0.1686 °C | -1.11 °C | 0.8488 °C | 10 |
| 2000s | -0.0103 °C | -0.5532 °C | 0.9005 °C | 10 |
| 2010s | 0.2458 °C | -0.5281 °C | 1.3 °C | 10 |
| 2020s | 0.2378 °C | -0.6719 °C | 1.25 °C | 7 |
Countries ranked near Cook Islands
More reference data data for Cook Islands
- Spring temperature anomalies 0.5654 °C (2026)
- Temperature anomalies by month 0.3984 °C (2026)
- Autumn temperature anomalies -0.156 °C (2025)
- Annual precipitation 1,504 millimeters (2025)
- Winter temperature anomalies -0.1015 °C (2025)
- Precipitation anomalies -153.83 millimeters (2025)
- Share of adult men overweight or obese vs. daily supply of calories 89.7% (2024)
- Number of child deaths per woman 0.0318 under-five deaths per woman (2021)
- Share of men who are obese 70.6% (2024)
- Share of adults who are obese 72.4% (2024)
Frequently asked questions
- What is summer temperature anomalies in Cook Islands?
- Summer temperature anomalies in Cook Islands was -0.6719 °C in 2026, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest summer temperature anomalies recorded in Cook Islands?
- The highest recorded value was 1.3 °C in 2013.
- What is the lowest summer temperature anomalies recorded in Cook Islands?
- The lowest recorded value was -1.76 °C in 1940.
- How does Cook Islands rank for summer temperature anomalies?
- Cook Islands ranks 190th out of 193 countries with data for 2026.
- Is summer temperature anomalies rising or falling in Cook Islands?
- Over the last ten years it is down 190.1%. 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 Summer temperature anomalies. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 87 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The 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.