Annual precipitation in Mauritania
Mauritania: Annual precipitation was 55.55 millimeters in 2025. ▼ Falling
Latest (2025)
55.55 millimeters
Change on year
down 21.0%
World rank
186th
of 192 countries
All-time high
196.37 millimeters
in 1951
All-time low
22.36 millimeters
in 1941
Years of data
86
1940–2025
Annual precipitation in Mauritania, 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 Mauritania stood at 55.55 millimeters.
Compared with earlier readings it is down 21.0% on the previous year and down 33.4% over ten years.
Over the whole period, annual precipitation in Mauritania peaked at 196.37 millimeters in 1951 and was at its lowest, 22.36 millimeters, in 1941.
Mauritania ranks 186th of 192 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 86 years of available data.
Annual precipitation in Mauritania, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 41.43 millimeters | — |
| 1941 | 22.36 millimeters | -46.0% |
| 1942 | 59.66 millimeters | +166.8% |
| 1943 | 91.95 millimeters | +54.1% |
| 1944 | 147.94 millimeters | +60.9% |
| 1945 | 81.87 millimeters | -44.7% |
| 1946 | 37.04 millimeters | -54.8% |
| 1947 | 140.89 millimeters | +280.3% |
| 1948 | 64.02 millimeters | -54.6% |
| 1949 | 66.43 millimeters | +3.8% |
| 1950 | 86.78 millimeters | +30.6% |
| 1951 | 196.37 millimeters | +126.3% |
| 1952 | 103.46 millimeters | -47.3% |
| 1953 | 82.2 millimeters | -20.5% |
| 1954 | 130.36 millimeters | +58.6% |
| 1955 | 85.22 millimeters | -34.6% |
| 1956 | 120.88 millimeters | +41.9% |
| 1957 | 142.31 millimeters | +17.7% |
| 1958 | 88.69 millimeters | -37.7% |
| 1959 | 56.53 millimeters | -36.3% |
| 1960 | 68.4 millimeters | +21.0% |
| 1961 | 63.14 millimeters | -7.7% |
| 1962 | 80.24 millimeters | +27.1% |
| 1963 | 81.15 millimeters | +1.1% |
| 1964 | 76.28 millimeters | -6.0% |
| 1965 | 112.41 millimeters | +47.4% |
| 1966 | 93.61 millimeters | -16.7% |
| 1967 | 111.78 millimeters | +19.4% |
| 1968 | 80.53 millimeters | -28.0% |
| 1969 | 150.65 millimeters | +87.1% |
| 1970 | 74.71 millimeters | -50.4% |
| 1971 | 65.04 millimeters | -12.9% |
| 1972 | 71.56 millimeters | +10.0% |
| 1973 | 51.52 millimeters | -28.0% |
| 1974 | 67.69 millimeters | +31.4% |
| 1975 | 66.36 millimeters | -2.0% |
| 1976 | 79.45 millimeters | +19.7% |
| 1977 | 49.17 millimeters | -38.1% |
| 1978 | 71.14 millimeters | +44.7% |
| 1979 | 94.14 millimeters | +32.3% |
| 1980 | 75.13 millimeters | -20.2% |
| 1981 | 78.96 millimeters | +5.1% |
| 1982 | 41.58 millimeters | -47.3% |
| 1983 | 31.95 millimeters | -23.1% |
| 1984 | 60.32 millimeters | +88.8% |
| 1985 | 58.34 millimeters | -3.3% |
| 1986 | 75.29 millimeters | +29.1% |
| 1987 | 46.12 millimeters | -38.7% |
| 1988 | 99.42 millimeters | +115.6% |
| 1989 | 89.15 millimeters | -10.3% |
| 1990 | 56.1 millimeters | -37.1% |
| 1991 | 62.04 millimeters | +10.6% |
| 1992 | 45.75 millimeters | -26.3% |
| 1993 | 70.21 millimeters | +53.5% |
| 1994 | 108.88 millimeters | +55.1% |
| 1995 | 101 millimeters | -7.2% |
| 1996 | 60.14 millimeters | -40.5% |
| 1997 | 71.57 millimeters | +19.0% |
| 1998 | 75.96 millimeters | +6.1% |
| 1999 | 92.82 millimeters | +22.2% |
| 2000 | 77.01 millimeters | -17.0% |
| 2001 | 49.32 millimeters | -36.0% |
| 2002 | 42.53 millimeters | -13.8% |
| 2003 | 116.29 millimeters | +173.4% |
| 2004 | 51.25 millimeters | -55.9% |
| 2005 | 79.16 millimeters | +54.5% |
| 2006 | 62.02 millimeters | -21.7% |
| 2007 | 53.49 millimeters | -13.8% |
| 2008 | 62.46 millimeters | +16.8% |
| 2009 | 56.85 millimeters | -9.0% |
| 2010 | 97.64 millimeters | +71.8% |
| 2011 | 48.04 millimeters | -50.8% |
| 2012 | 80.87 millimeters | +68.3% |
| 2013 | 67.59 millimeters | -16.4% |
| 2014 | 48.53 millimeters | -28.2% |
| 2015 | 83.41 millimeters | +71.9% |
| 2016 | 65.12 millimeters | -21.9% |
| 2017 | 42.81 millimeters | -34.3% |
| 2018 | 57.7 millimeters | +34.8% |
| 2019 | 66.33 millimeters | +15.0% |
| 2020 | 63.28 millimeters | -4.6% |
| 2021 | 33.91 millimeters | -46.4% |
| 2022 | 81.43 millimeters | +140.1% |
| 2023 | 37.07 millimeters | -54.5% |
| 2024 | 70.34 millimeters | +89.8% |
| 2025 | 55.55 millimeters | -21.0% |
Mauritania compared with similar countries
- Mauritania's 55.55 millimeters is below the median for lower middle income countries, which is 1,013 millimeters, 5% of the median. (47 countries reporting)
- Mauritania's 55.55 millimeters is below the median for Sub-Saharan Africa, which is 970.56 millimeters, 6% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 75.36 millimeters | 22.36 millimeters | 147.94 millimeters | 10 |
| 1950s | 109.28 millimeters | 56.53 millimeters | 196.37 millimeters | 10 |
| 1960s | 91.82 millimeters | 63.14 millimeters | 150.65 millimeters | 10 |
| 1970s | 69.08 millimeters | 49.17 millimeters | 94.14 millimeters | 10 |
| 1980s | 65.63 millimeters | 31.95 millimeters | 99.42 millimeters | 10 |
| 1990s | 74.45 millimeters | 45.75 millimeters | 108.88 millimeters | 10 |
| 2000s | 65.04 millimeters | 42.53 millimeters | 116.29 millimeters | 10 |
| 2010s | 65.8 millimeters | 42.81 millimeters | 97.64 millimeters | 10 |
| 2020s | 56.93 millimeters | 33.91 millimeters | 81.43 millimeters | 6 |
Countries ranked near Mauritania
More climate change data for Mauritania
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 5.05 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 13,025 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 3,939 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 9,086 kt (2050)
- Emissions from livestock — Emissions 14.87 kt (2050)
- Emissions from livestock — Emissions 324.5 kt (2050)
- Emissions from crops — Emissions (CO2eq) 339.5 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 60.39 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 279.11 kt (2050)
- Emissions from crops — Emissions 0.2279 kt (2050)
Frequently asked questions
- What is annual precipitation in Mauritania?
- Annual precipitation in Mauritania was 55.55 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 Mauritania?
- The highest recorded value was 196.37 millimeters in 1951.
- What is the lowest annual precipitation recorded in Mauritania?
- The lowest recorded value was 22.36 millimeters in 1941.
- How does Mauritania rank for annual precipitation?
- Mauritania ranks 186th out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Mauritania?
- Over the last ten years it is down 33.4%. The long-run trend across the full record is falling.
- Where does this Mauritania 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.