Annual precipitation in Oman
Oman: Annual precipitation was 27.07 millimeters in 2025. ◆ Volatile
Latest (2025)
27.07 millimeters
Change on year
down 66.3%
World rank
189th
of 192 countries
All-time high
177.42 millimeters
in 1983
All-time low
7 millimeters
in 1984
Years of data
86
1940–2025
Annual precipitation in Oman, 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 Oman stood at 27.07 millimeters.
That represents a change of down 66.3% on the previous year and down 3.6% over ten years.
Over the whole period, annual precipitation in Oman peaked at 177.42 millimeters in 1983 and was at its lowest, 7 millimeters, in 1984.
Oman ranks 189th of 192 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual precipitation in Oman, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 38.99 millimeters | — |
| 1941 | 33.11 millimeters | -15.1% |
| 1942 | 83.02 millimeters | +150.7% |
| 1943 | 42.5 millimeters | -48.8% |
| 1944 | 53.43 millimeters | +25.7% |
| 1945 | 19.32 millimeters | -63.8% |
| 1946 | 15.62 millimeters | -19.2% |
| 1947 | 74.78 millimeters | +378.8% |
| 1948 | 96.89 millimeters | +29.6% |
| 1949 | 75.94 millimeters | -21.6% |
| 1950 | 31.03 millimeters | -59.1% |
| 1951 | 99.09 millimeters | +219.3% |
| 1952 | 30.45 millimeters | -69.3% |
| 1953 | 67.04 millimeters | +120.2% |
| 1954 | 21.15 millimeters | -68.5% |
| 1955 | 33.31 millimeters | +57.5% |
| 1956 | 24.63 millimeters | -26.0% |
| 1957 | 49.81 millimeters | +102.2% |
| 1958 | 22.95 millimeters | -53.9% |
| 1959 | 94.18 millimeters | +310.3% |
| 1960 | 41.92 millimeters | -55.5% |
| 1961 | 54.05 millimeters | +29.0% |
| 1962 | 13.55 millimeters | -74.9% |
| 1963 | 82.68 millimeters | +510.4% |
| 1964 | 29.63 millimeters | -64.2% |
| 1965 | 37.75 millimeters | +27.4% |
| 1966 | 50.35 millimeters | +33.4% |
| 1967 | 133.34 millimeters | +164.8% |
| 1968 | 34.52 millimeters | -74.1% |
| 1969 | 13.31 millimeters | -61.4% |
| 1970 | 21.04 millimeters | +58.1% |
| 1971 | 33.91 millimeters | +61.2% |
| 1972 | 129.11 millimeters | +280.8% |
| 1973 | 20.15 millimeters | -84.4% |
| 1974 | 13.47 millimeters | -33.2% |
| 1975 | 20.02 millimeters | +48.7% |
| 1976 | 31.85 millimeters | +59.1% |
| 1977 | 80.24 millimeters | +152.0% |
| 1978 | 43.33 millimeters | -46.0% |
| 1979 | 37.23 millimeters | -14.1% |
| 1980 | 12.5 millimeters | -66.4% |
| 1981 | 19.82 millimeters | +58.5% |
| 1982 | 98.27 millimeters | +395.7% |
| 1983 | 177.42 millimeters | +80.6% |
| 1984 | 7 millimeters | -96.1% |
| 1985 | 15.06 millimeters | +115.0% |
| 1986 | 35.11 millimeters | +133.2% |
| 1987 | 38.68 millimeters | +10.2% |
| 1988 | 54 millimeters | +39.6% |
| 1989 | 67.74 millimeters | +25.4% |
| 1990 | 49.06 millimeters | -27.6% |
| 1991 | 20.17 millimeters | -58.9% |
| 1992 | 102.81 millimeters | +409.7% |
| 1993 | 17.88 millimeters | -82.6% |
| 1994 | 21.46 millimeters | +20.0% |
| 1995 | 115.48 millimeters | +438.1% |
| 1996 | 84.83 millimeters | -26.5% |
| 1997 | 141.33 millimeters | +66.6% |
| 1998 | 36.84 millimeters | -73.9% |
| 1999 | 27.84 millimeters | -24.5% |
| 2000 | 11.6 millimeters | -58.3% |
| 2001 | 7.59 millimeters | -34.5% |
| 2002 | 36.02 millimeters | +374.3% |
| 2003 | 35.51 millimeters | -1.4% |
| 2004 | 31.66 millimeters | -10.8% |
| 2005 | 31.82 millimeters | +0.5% |
| 2006 | 48 millimeters | +50.8% |
| 2007 | 79.4 millimeters | +65.4% |
| 2008 | 22.38 millimeters | -71.8% |
| 2009 | 29.21 millimeters | +30.5% |
| 2010 | 47.67 millimeters | +63.2% |
| 2011 | 80.43 millimeters | +68.7% |
| 2012 | 22.56 millimeters | -72.0% |
| 2013 | 44.12 millimeters | +95.6% |
| 2014 | 25.19 millimeters | -42.9% |
| 2015 | 28.08 millimeters | +11.4% |
| 2016 | 37.38 millimeters | +33.1% |
| 2017 | 22.73 millimeters | -39.2% |
| 2018 | 77.46 millimeters | +240.8% |
| 2019 | 48.65 millimeters | -37.2% |
| 2020 | 95.67 millimeters | +96.6% |
| 2021 | 28.02 millimeters | -70.7% |
| 2022 | 77.85 millimeters | +177.8% |
| 2023 | 39.81 millimeters | -48.9% |
| 2024 | 80.46 millimeters | +102.1% |
| 2025 | 27.07 millimeters | -66.3% |
Oman compared with similar countries
- Oman's 27.07 millimeters is below the median for high income countries, which is 891.63 millimeters, 3% of the median. (65 countries reporting)
- Oman's 27.07 millimeters is below the median for Middle East, North Africa, Afghanistan & Pakistan, which is 115.13 millimeters, 24% of the median. (22 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 53.36 millimeters | 15.62 millimeters | 96.89 millimeters | 10 |
| 1950s | 47.36 millimeters | 21.15 millimeters | 99.09 millimeters | 10 |
| 1960s | 49.11 millimeters | 13.31 millimeters | 133.34 millimeters | 10 |
| 1970s | 43.03 millimeters | 13.47 millimeters | 129.11 millimeters | 10 |
| 1980s | 52.56 millimeters | 7 millimeters | 177.42 millimeters | 10 |
| 1990s | 61.77 millimeters | 17.88 millimeters | 141.33 millimeters | 10 |
| 2000s | 33.32 millimeters | 7.59 millimeters | 79.4 millimeters | 10 |
| 2010s | 43.43 millimeters | 22.56 millimeters | 80.43 millimeters | 10 |
| 2020s | 58.15 millimeters | 27.07 millimeters | 95.67 millimeters | 6 |
Countries ranked near Oman
- 186 Mauritania 55.55 millimeters compare
- 187 Saudi Arabia 51.43 millimeters compare
- 188 Bahrain 42.61 millimeters compare
- 190 United Arab Emirates 18.71 millimeters compare
- 191 Libya 16.52 millimeters compare
- 192 Egypt 6.35 millimeters compare
More climate change data for Oman
- Nutrient nitrogen N (total) — Synthetic fertilizers (Agricultural) 5.10 million kg (2050)
- Emissions from livestock — Emissions (CO2eq) 1,034 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from N2O 331.89 kt (2050)
- Emissions from livestock — Emissions (CO2eq) from CH4 701.9 kt (2050)
- Emissions from livestock — Emissions 1.25 kt (2050)
- Emissions from livestock — Emissions 25.07 kt (2050)
- Emissions from crops — Emissions (CO2eq) 30.7 kt (2050)
- Emissions from crops — Emissions (CO2eq) from N2O 30.48 kt (2050)
- Emissions from crops — Emissions (CO2eq) from CH4 0.2268 kt (2050)
- Emissions from crops — Emissions 0.115 kt (2050)
Frequently asked questions
- What is annual precipitation in Oman?
- Annual precipitation in Oman was 27.07 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 Oman?
- The highest recorded value was 177.42 millimeters in 1983.
- What is the lowest annual precipitation recorded in Oman?
- The lowest recorded value was 7 millimeters in 1984.
- How does Oman rank for annual precipitation?
- Oman ranks 189th out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Oman?
- Over the last ten years it is down 3.6%. The long-run trend across the full record is volatile.
- Where does this Oman 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.