Annual precipitation in Cook Islands
Cook Islands: Annual precipitation was 1,504 millimeters in 2025. ▼ Falling
Annual precipitation 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
Cook Islands recorded 1,504 millimeters for annual precipitation in 2025.
That represents a change of down 5.4% on the previous year and down 10.1% over ten years.
Over the whole period, annual precipitation in Cook Islands peaked at 2,676 millimeters in 1942 and was at its lowest, 1,009 millimeters, in 1998.
That places Cook Islands 51st out of 192 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 86 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 1,779 millimeters | 1,377 millimeters | 2,676 millimeters | 10 |
| 1950s | 1,883 millimeters | 1,409 millimeters | 2,286 millimeters | 10 |
| 1960s | 1,755 millimeters | 1,418 millimeters | 2,206 millimeters | 10 |
| 1970s | 1,692 millimeters | 1,332 millimeters | 2,174 millimeters | 10 |
| 1980s | 1,730 millimeters | 1,071 millimeters | 2,356 millimeters | 10 |
| 1990s | 1,531 millimeters | 1,009 millimeters | 2,181 millimeters | 10 |
| 2000s | 1,755 millimeters | 1,311 millimeters | 2,287 millimeters | 10 |
| 2010s | 1,641 millimeters | 1,120 millimeters | 1,917 millimeters | 10 |
| 2020s | 1,787 millimeters | 1,504 millimeters | 2,037 millimeters | 6 |
Countries ranked near Cook Islands
- 48 Malawi 1,549 millimeters compare
- 49 Switzerland 1,537 millimeters compare
- 50 Montenegro 1,525 millimeters compare
- 52 Bolivia 1,482 millimeters compare
- 53 Congo 1,481 millimeters compare
- 54 Madagascar 1,465 millimeters compare
More reference data data for Cook Islands
- Summer temperature anomalies -0.6719 °C (2026)
- Temperature anomalies by month 0.3984 °C (2026)
- Spring temperature anomalies 0.5654 °C (2026)
- Autumn temperature anomalies -0.156 °C (2025)
- Precipitation anomalies -153.83 millimeters (2025)
- Winter temperature anomalies -0.1015 °C (2025)
- Foreign aid received by income group 31.92 million constant 2024 US$ (2019)
- Share of adults who are obese 72.4% (2024)
- Foreign aid received from governments and private foundations 31.92 million constant 2024 US$ (2019)
- Share of men who are obese 70.6% (2024)
Frequently asked questions
- What is annual precipitation in Cook Islands?
- Annual precipitation in Cook Islands was 1,504 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 annual precipitation recorded in Cook Islands?
- The highest recorded value was 2,676 millimeters in 1942.
- What is the lowest annual precipitation recorded in Cook Islands?
- The lowest recorded value was 1,009 millimeters in 1998.
- How does Cook Islands rank for annual precipitation?
- Cook Islands ranks 51st out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Cook Islands?
- Over the last ten years it is down 10.1%. The long-run trend across the full record is falling.
- 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 precipitation. 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
Total annual precipitation—rain and snow—calculated as the sum of daily averages, reported as the depth of water falling to Earth's surface, excluding fog and dew.