Precipitation anomalies in Cook Islands
Cook Islands: Precipitation anomalies was -153.83 millimeters in 2025. ◆ Volatile
Precipitation 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 millimeters.
Analysis
In 2025, precipitation anomalies in Cook Islands stood at -153.83 millimeters.
That represents a change of down 123.6% on the previous year and down 1,183.7% over ten years.
Over the whole period, precipitation anomalies in Cook Islands peaked at 1,019 millimeters in 1942 and was at its lowest, -648.42 millimeters, in 1998.
Cook Islands ranks 164th of 192 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 | 121.04 millimeters | -280.64 millimeters | 1,019 millimeters | 10 |
| 1950s | 225.17 millimeters | -248.71 millimeters | 628.2 millimeters | 10 |
| 1960s | 97.36 millimeters | -239.41 millimeters | 548.07 millimeters | 10 |
| 1970s | 34.86 millimeters | -325.84 millimeters | 516.07 millimeters | 10 |
| 1980s | 72.3 millimeters | -586.59 millimeters | 698.69 millimeters | 10 |
| 1990s | -126.35 millimeters | -648.42 millimeters | 523.94 millimeters | 10 |
| 2000s | 97.4 millimeters | -346.45 millimeters | 629.44 millimeters | 10 |
| 2010s | -16.83 millimeters | -537.94 millimeters | 259.33 millimeters | 10 |
| 2020s | 129.85 millimeters | -153.83 millimeters | 379.71 millimeters | 6 |
Countries ranked near Cook Islands
More reference data data for Cook Islands
- Temperature anomalies by month 0.3984 °C (2026)
- Spring temperature anomalies 0.5654 °C (2026)
- Summer temperature anomalies -0.6719 °C (2026)
- Autumn temperature anomalies -0.156 °C (2025)
- Winter temperature anomalies -0.1015 °C (2025)
- Annual precipitation 1,504 millimeters (2025)
- Foreign aid received from governments and private foundations 31.92 million constant 2024 US$ (2019)
- Share of adult men overweight or obese vs. daily supply of calories 89.7% (2024)
- Foreign aid received 31.92 million constant 2024 US$ (2019)
- Foreign aid received as grants and concessional loans 34.22 million constant 2024 US$ (2019)
Frequently asked questions
- What is precipitation anomalies in Cook Islands?
- Precipitation anomalies in Cook Islands was -153.83 millimeters in 2025, according to Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data.
- What is the highest precipitation anomalies recorded in Cook Islands?
- The highest recorded value was 1,019 millimeters in 1942.
- What is the lowest precipitation anomalies recorded in Cook Islands?
- The lowest recorded value was -648.42 millimeters in 1998.
- How does Cook Islands rank for precipitation anomalies?
- Cook Islands ranks 164th out of 192 countries with data for 2025.
- Is precipitation anomalies rising or falling in Cook Islands?
- Over the last ten years it is down 1,183.7%. 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 Precipitation 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
The difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.