Annual precipitation in Guinea
Guinea: Annual precipitation was 1,861 millimeters in 2025. ▼ Falling
Annual precipitation in Guinea, 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, annual precipitation in Guinea stood at 1,861 millimeters.
The figure is up 8.3% on the previous year and up 9.6% over ten years.
Over the whole period, annual precipitation in Guinea peaked at 2,271 millimeters in 1979 and was at its lowest, 1,512 millimeters, in 2023.
Guinea ranks 33rd of 192 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 86 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 1,704 millimeters | 1,553 millimeters | 1,989 millimeters | 10 |
| 1950s | 1,965 millimeters | 1,823 millimeters | 2,144 millimeters | 10 |
| 1960s | 1,872 millimeters | 1,702 millimeters | 2,234 millimeters | 10 |
| 1970s | 1,960 millimeters | 1,717 millimeters | 2,271 millimeters | 10 |
| 1980s | 1,839 millimeters | 1,676 millimeters | 2,004 millimeters | 10 |
| 1990s | 1,769 millimeters | 1,599 millimeters | 1,913 millimeters | 10 |
| 2000s | 1,671 millimeters | 1,557 millimeters | 1,796 millimeters | 10 |
| 2010s | 1,697 millimeters | 1,578 millimeters | 1,825 millimeters | 10 |
| 2020s | 1,706 millimeters | 1,512 millimeters | 1,861 millimeters | 6 |
Countries ranked near Guinea
More reference data data for Guinea
- Spring temperature anomalies 0.5077 °C (2026)
- Summer temperature anomalies 0.6929 °C (2026)
- Temperature anomalies by month 0.6627 °C (2026)
- Universal right to vote in practice 0 (2025)
- Autumn temperature anomalies 0.2148 °C (2025)
- Winter temperature anomalies 0.3921 °C (2025)
- Consumer price index 436.58 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is annual precipitation in Guinea?
- Annual precipitation in Guinea was 1,861 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 Guinea?
- The highest recorded value was 2,271 millimeters in 1979.
- What is the lowest annual precipitation recorded in Guinea?
- The lowest recorded value was 1,512 millimeters in 2023.
- How does Guinea rank for annual precipitation?
- Guinea ranks 33rd out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Guinea?
- Over the last ten years it is up 9.6%. The long-run trend across the full record is falling.
- Where does this Guinea 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.