Precipitation anomalies in Seychelles
Seychelles: Precipitation anomalies was -410.08 millimeters in 2025. ◆ Volatile
Latest (2025)
-410.08 millimeters
Change on year
down 152.6%
World rank
190th
of 192 countries
All-time high
1,034 millimeters
in 2019
All-time low
-687.25 millimeters
in 1944
Years of data
86
1940–2025
Precipitation anomalies in Seychelles, 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 Seychelles stood at -410.08 millimeters.
That represents a change of down 152.6% on the previous year and down 335.5% over ten years.
Over the whole period, precipitation anomalies in Seychelles peaked at 1,034 millimeters in 2019 and was at its lowest, -687.25 millimeters, in 1944.
That places Seychelles 190th out of 192 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Precipitation anomalies in Seychelles, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | -546.12 millimeters | — |
| 1941 | -281.01 millimeters | -48.5% |
| 1942 | -369.02 millimeters | +31.3% |
| 1943 | -550.62 millimeters | +49.2% |
| 1944 | -687.25 millimeters | +24.8% |
| 1945 | -412.35 millimeters | -40.0% |
| 1946 | -439.73 millimeters | +6.6% |
| 1947 | 192.47 millimeters | -143.8% |
| 1948 | 560.67 millimeters | +191.3% |
| 1949 | 133.02 millimeters | -76.3% |
| 1950 | -251.33 millimeters | -288.9% |
| 1951 | 453.67 millimeters | -280.5% |
| 1952 | -176.74 millimeters | -139.0% |
| 1953 | 232.81 millimeters | -231.7% |
| 1954 | -185.19 millimeters | -179.5% |
| 1955 | -346.6 millimeters | +87.2% |
| 1956 | -677.3 millimeters | +95.4% |
| 1957 | -213.68 millimeters | -68.5% |
| 1958 | -174.48 millimeters | -18.3% |
| 1959 | -186.99 millimeters | +7.2% |
| 1960 | -286.43 millimeters | +53.2% |
| 1961 | 244.51 millimeters | -185.4% |
| 1962 | -165.72 millimeters | -167.8% |
| 1963 | 334.77 millimeters | -302.0% |
| 1964 | -72.6 millimeters | -121.7% |
| 1965 | 250.78 millimeters | -445.4% |
| 1966 | -196.11 millimeters | -178.2% |
| 1967 | 175.33 millimeters | -189.4% |
| 1968 | -143.59 millimeters | -181.9% |
| 1969 | -437.41 millimeters | +204.6% |
| 1970 | -612.08 millimeters | +39.9% |
| 1971 | -554.95 millimeters | -9.3% |
| 1972 | 19.81 millimeters | -103.6% |
| 1973 | -466.36 millimeters | -2454.7% |
| 1974 | -480.51 millimeters | +3.0% |
| 1975 | -548.86 millimeters | +14.2% |
| 1976 | -517.23 millimeters | -5.8% |
| 1977 | -210.19 millimeters | -59.4% |
| 1978 | -302.8 millimeters | +44.1% |
| 1979 | -455.49 millimeters | +50.4% |
| 1980 | -250.66 millimeters | -45.0% |
| 1981 | -397.04 millimeters | +58.4% |
| 1982 | 91.6 millimeters | -123.1% |
| 1983 | 337.94 millimeters | +268.9% |
| 1984 | -403.48 millimeters | -219.4% |
| 1985 | -366.87 millimeters | -9.1% |
| 1986 | -382.33 millimeters | +4.2% |
| 1987 | -340.64 millimeters | -10.9% |
| 1988 | -304.45 millimeters | -10.6% |
| 1989 | -594.09 millimeters | +95.1% |
| 1990 | -494.29 millimeters | -16.8% |
| 1991 | -393.58 millimeters | -20.4% |
| 1992 | -229.65 millimeters | -41.7% |
| 1993 | -346.67 millimeters | +51.0% |
| 1994 | -126.61 millimeters | -63.5% |
| 1995 | -256.37 millimeters | +102.5% |
| 1996 | -592.99 millimeters | +131.3% |
| 1997 | 378.13 millimeters | -163.8% |
| 1998 | -87.73 millimeters | -123.2% |
| 1999 | -198.85 millimeters | +126.7% |
| 2000 | -440.61 millimeters | +121.6% |
| 2001 | -323.64 millimeters | -26.5% |
| 2002 | 89.56 millimeters | -127.7% |
| 2003 | 226.51 millimeters | +152.9% |
| 2004 | -18.9 millimeters | -108.3% |
| 2005 | -192.17 millimeters | +916.9% |
| 2006 | 352.26 millimeters | -283.3% |
| 2007 | -34.82 millimeters | -109.9% |
| 2008 | -206.12 millimeters | +491.9% |
| 2009 | -143.75 millimeters | -30.3% |
| 2010 | -54.14 millimeters | -62.3% |
| 2011 | -70.41 millimeters | +30.0% |
| 2012 | -71.41 millimeters | +1.4% |
| 2013 | 270.99 millimeters | -479.5% |
| 2014 | 515.32 millimeters | +90.2% |
| 2015 | 174.13 millimeters | -66.2% |
| 2016 | -160.86 millimeters | -192.4% |
| 2017 | 168.26 millimeters | -204.6% |
| 2018 | 264.98 millimeters | +57.5% |
| 2019 | 1,034 millimeters | +290.3% |
| 2020 | 474.76 millimeters | -54.1% |
| 2021 | -114.62 millimeters | -124.1% |
| 2022 | 23.76 millimeters | -120.7% |
| 2023 | 879.79 millimeters | +3602.4% |
| 2024 | 779.04 millimeters | -11.5% |
| 2025 | -410.08 millimeters | -152.6% |
Seychelles compared with similar countries
- Seychelles's -410.08 millimeters is below the median for high income countries, which is -18.65 millimeters, 22.0× the median. (65 countries reporting)
- Seychelles's -410.08 millimeters is below the median for Sub-Saharan Africa, which is -73.9 millimeters, 5.5× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Precipitation anomalies in Seychelles changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2023 | +3602.4% | 23.76 millimeters | 879.79 millimeters |
| 1973 | -2454.7% | 19.81 millimeters | -466.36 millimeters |
| 2005 | -916.9% | -18.9 millimeters | -192.17 millimeters |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -239.99 millimeters | -687.25 millimeters | 560.67 millimeters | 10 |
| 1950s | -152.58 millimeters | -677.3 millimeters | 453.67 millimeters | 10 |
| 1960s | -29.65 millimeters | -437.41 millimeters | 334.77 millimeters | 10 |
| 1970s | -412.87 millimeters | -612.08 millimeters | 19.81 millimeters | 10 |
| 1980s | -261 millimeters | -594.09 millimeters | 337.94 millimeters | 10 |
| 1990s | -234.86 millimeters | -592.99 millimeters | 378.13 millimeters | 10 |
| 2000s | -69.17 millimeters | -440.61 millimeters | 352.26 millimeters | 10 |
| 2010s | 207.12 millimeters | -160.86 millimeters | 1,034 millimeters | 10 |
| 2020s | 272.11 millimeters | -410.08 millimeters | 879.79 millimeters | 6 |
Countries ranked near Seychelles
- 187 Central African Republic -338.41 millimeters compare
- 188 Cayman Islands -379.98 millimeters compare
- 189 Comoros -383 millimeters compare
- 191 Sao Tome and Principe -450.39 millimeters compare
- 192 Bhutan -452.79 millimeters compare
More climate change data for Seychelles
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 91,000 kg (2050)
- Emissions from livestock — Emissions (CO2eq) 14.71 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 10.89 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 3.82 kt (2050)
- Emissions from livestock — Emissions 0.0411 kt (2050)
- Emissions from livestock — Emissions 0.1363 kt (2050)
- Emissions from crops — Emissions (CO2eq) 0.5035 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 0.5035 kt (2050)
- Emissions from crops — Emissions 0.0019 kt (2050)
- Synthetic Fertilizers — Emissions (CO2eq) 0.5035 kt (2050)
Frequently asked questions
- What is precipitation anomalies in Seychelles?
- Precipitation anomalies in Seychelles was -410.08 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 Seychelles?
- The highest recorded value was 1,034 millimeters in 2019.
- What is the lowest precipitation anomalies recorded in Seychelles?
- The lowest recorded value was -687.25 millimeters in 1944.
- How does Seychelles rank for precipitation anomalies?
- Seychelles ranks 190th out of 192 countries with data for 2025.
- Is precipitation anomalies rising or falling in Seychelles?
- Over the last ten years it is down 335.5%. The long-run trend across the full record is volatile.
- Where does this Seychelles 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
Difference in a specific year's total precipitation—rain and snow—from the 1991–2020 average, measured in millimeters, excluding fog and dew.