Annual precipitation in Guinea
Guinea: Annual precipitation was 1,861 millimeters in 2025. ▼ Falling
Latest (2025)
1,861 millimeters
Change on year
up 8.3%
World rank
33rd
of 192 countries
All-time high
2,271 millimeters
in 1979
All-time low
1,512 millimeters
in 2023
Years of data
86
1940–2025
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.
Annual precipitation in Guinea, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 1,648 millimeters | — |
| 1941 | 1,553 millimeters | -5.8% |
| 1942 | 1,638 millimeters | +5.5% |
| 1943 | 1,846 millimeters | +12.7% |
| 1944 | 1,989 millimeters | +7.7% |
| 1945 | 1,577 millimeters | -20.7% |
| 1946 | 1,657 millimeters | +5.1% |
| 1947 | 1,664 millimeters | +0.4% |
| 1948 | 1,736 millimeters | +4.3% |
| 1949 | 1,736 millimeters | +0.0% |
| 1950 | 1,823 millimeters | +5.0% |
| 1951 | 2,131 millimeters | +16.9% |
| 1952 | 1,939 millimeters | -9.0% |
| 1953 | 1,919 millimeters | -1.0% |
| 1954 | 2,034 millimeters | +6.0% |
| 1955 | 1,892 millimeters | -7.0% |
| 1956 | 1,946 millimeters | +2.9% |
| 1957 | 2,144 millimeters | +10.2% |
| 1958 | 1,977 millimeters | -7.8% |
| 1959 | 1,848 millimeters | -6.5% |
| 1960 | 1,752 millimeters | -5.2% |
| 1961 | 1,726 millimeters | -1.5% |
| 1962 | 1,885 millimeters | +9.2% |
| 1963 | 1,771 millimeters | -6.1% |
| 1964 | 1,763 millimeters | -0.5% |
| 1965 | 1,702 millimeters | -3.4% |
| 1966 | 1,792 millimeters | +5.3% |
| 1967 | 2,080 millimeters | +16.1% |
| 1968 | 2,018 millimeters | -3.0% |
| 1969 | 2,234 millimeters | +10.7% |
| 1970 | 1,872 millimeters | -16.2% |
| 1971 | 2,062 millimeters | +10.2% |
| 1972 | 2,148 millimeters | +4.2% |
| 1973 | 1,930 millimeters | -10.2% |
| 1974 | 1,717 millimeters | -11.0% |
| 1975 | 1,850 millimeters | +7.7% |
| 1976 | 1,947 millimeters | +5.2% |
| 1977 | 1,733 millimeters | -11.0% |
| 1978 | 2,069 millimeters | +19.4% |
| 1979 | 2,271 millimeters | +9.8% |
| 1980 | 2,004 millimeters | -11.8% |
| 1981 | 2,001 millimeters | -0.1% |
| 1982 | 1,855 millimeters | -7.3% |
| 1983 | 1,676 millimeters | -9.7% |
| 1984 | 1,843 millimeters | +10.0% |
| 1985 | 1,774 millimeters | -3.7% |
| 1986 | 1,749 millimeters | -1.4% |
| 1987 | 1,789 millimeters | +2.3% |
| 1988 | 1,760 millimeters | -1.6% |
| 1989 | 1,939 millimeters | +10.2% |
| 1990 | 1,762 millimeters | -9.1% |
| 1991 | 1,776 millimeters | +0.8% |
| 1992 | 1,781 millimeters | +0.3% |
| 1993 | 1,908 millimeters | +7.2% |
| 1994 | 1,913 millimeters | +0.2% |
| 1995 | 1,739 millimeters | -9.1% |
| 1996 | 1,767 millimeters | +1.6% |
| 1997 | 1,652 millimeters | -6.5% |
| 1998 | 1,599 millimeters | -3.2% |
| 1999 | 1,788 millimeters | +11.8% |
| 2000 | 1,796 millimeters | +0.5% |
| 2001 | 1,607 millimeters | -10.5% |
| 2002 | 1,557 millimeters | -3.2% |
| 2003 | 1,750 millimeters | +12.4% |
| 2004 | 1,683 millimeters | -3.8% |
| 2005 | 1,712 millimeters | +1.7% |
| 2006 | 1,577 millimeters | -7.9% |
| 2007 | 1,586 millimeters | +0.6% |
| 2008 | 1,723 millimeters | +8.7% |
| 2009 | 1,719 millimeters | -0.2% |
| 2010 | 1,769 millimeters | +2.9% |
| 2011 | 1,578 millimeters | -10.8% |
| 2012 | 1,753 millimeters | +11.1% |
| 2013 | 1,578 millimeters | -10.0% |
| 2014 | 1,588 millimeters | +0.6% |
| 2015 | 1,698 millimeters | +6.9% |
| 2016 | 1,696 millimeters | -0.1% |
| 2017 | 1,705 millimeters | +0.5% |
| 2018 | 1,825 millimeters | +7.0% |
| 2019 | 1,784 millimeters | -2.2% |
| 2020 | 1,790 millimeters | +0.3% |
| 2021 | 1,620 millimeters | -9.5% |
| 2022 | 1,732 millimeters | +6.9% |
| 2023 | 1,512 millimeters | -12.7% |
| 2024 | 1,718 millimeters | +13.6% |
| 2025 | 1,861 millimeters | +8.3% |
Guinea compared with similar countries
- Guinea's 1,861 millimeters is above the median for lower middle income countries, which is 1,013 millimeters, 1.8× the median. (47 countries reporting)
- Guinea's 1,861 millimeters is above the median for Sub-Saharan Africa, which is 970.56 millimeters, 1.9× the median. (48 countries reporting)
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 climate change data for Guinea
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 17.82 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 11,342 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 3,691 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 7,651 kt (2050)
- Emissions from livestock — Emissions 13.93 kt (2050)
- Emissions from livestock — Emissions 273.25 kt (2050)
- Emissions from crops — Emissions (CO2eq) 3,693 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 539.17 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 3,154 kt (2050)
- Emissions from crops — Emissions 2.03 kt (2050)
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.