Annual precipitation in Tanzania
Tanzania: Annual precipitation was 934.02 millimeters in 2025. ▼ Falling
Annual precipitation in Tanzania, 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 Tanzania stood at 934.02 millimeters.
The figure is down 28.3% on the previous year and down 12.6% over ten years.
Over the whole period, annual precipitation in Tanzania peaked at 1,727 millimeters in 1957 and was at its lowest, 625.68 millimeters, in 1943.
That places Tanzania 103rd out of 192 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 86 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 963.27 millimeters | 625.68 millimeters | 1,202 millimeters | 10 |
| 1950s | 1,306 millimeters | 1,002 millimeters | 1,727 millimeters | 10 |
| 1960s | 1,251 millimeters | 985.04 millimeters | 1,622 millimeters | 10 |
| 1970s | 1,295 millimeters | 1,160 millimeters | 1,573 millimeters | 10 |
| 1980s | 1,215 millimeters | 1,081 millimeters | 1,398 millimeters | 10 |
| 1990s | 1,054 millimeters | 881.12 millimeters | 1,247 millimeters | 10 |
| 2000s | 973.23 millimeters | 760.41 millimeters | 1,186 millimeters | 10 |
| 2010s | 1,074 millimeters | 963.66 millimeters | 1,228 millimeters | 10 |
| 2020s | 1,097 millimeters | 902.38 millimeters | 1,320 millimeters | 6 |
Countries ranked near Tanzania
More reference data data for Tanzania
- Spring temperature anomalies -0.6683 °C (2026)
- Summer temperature anomalies 0.3295 °C (2026)
- Temperature anomalies by month 0.5126 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.5023 °C (2025)
- Winter temperature anomalies 0.6747 °C (2025)
- Consumer price index 231.54 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 Tanzania?
- Annual precipitation in Tanzania was 934.02 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 Tanzania?
- The highest recorded value was 1,727 millimeters in 1957.
- What is the lowest annual precipitation recorded in Tanzania?
- The lowest recorded value was 625.68 millimeters in 1943.
- How does Tanzania rank for annual precipitation?
- Tanzania ranks 103rd out of 192 countries with data for 2025.
- Is annual precipitation rising or falling in Tanzania?
- Over the last ten years it is down 12.6%. The long-run trend across the full record is falling.
- Where does this Tanzania 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.