Precipitation anomalies in Tanzania
Tanzania: Precipitation anomalies was -107.04 millimeters in 2025. ◆ Volatile
Latest (2025)
-107.04 millimeters
Change on year
down 140.9%
World rank
145th
of 192 countries
All-time high
685.59 millimeters
in 1957
All-time low
-415.38 millimeters
in 1943
Years of data
86
1940–2025
Precipitation anomalies 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
The most recent figure for precipitation anomalies in Tanzania is -107.04 millimeters, measured in 2025.
That represents a change of down 140.9% on the previous year and down 493.9% over ten years.
Over the whole period, precipitation anomalies in Tanzania peaked at 685.59 millimeters in 1957 and was at its lowest, -415.38 millimeters, in 1943.
That places Tanzania 145th 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 Tanzania, year by year
| Year | millimeters | Change |
|---|---|---|
| 1940 | 102.23 millimeters | — |
| 1941 | 160.77 millimeters | +57.3% |
| 1942 | -272.04 millimeters | -269.2% |
| 1943 | -415.38 millimeters | +52.7% |
| 1944 | -244.26 millimeters | -41.2% |
| 1945 | -23.89 millimeters | -90.2% |
| 1946 | -193.84 millimeters | +711.3% |
| 1947 | 110.58 millimeters | -157.0% |
| 1948 | 46.16 millimeters | -58.3% |
| 1949 | -48.2 millimeters | -204.4% |
| 1950 | 100.33 millimeters | -308.1% |
| 1951 | 379.68 millimeters | +278.4% |
| 1952 | 77.17 millimeters | -79.7% |
| 1953 | 656.76 millimeters | +751.0% |
| 1954 | -39.34 millimeters | -106.0% |
| 1955 | 171.12 millimeters | -535.0% |
| 1956 | 115.21 millimeters | -32.7% |
| 1957 | 685.59 millimeters | +495.1% |
| 1958 | 186.7 millimeters | -72.8% |
| 1959 | 312.3 millimeters | +67.3% |
| 1960 | 184.63 millimeters | -40.9% |
| 1961 | 580.68 millimeters | +214.5% |
| 1962 | 261.43 millimeters | -55.0% |
| 1963 | 326.96 millimeters | +25.1% |
| 1964 | 146.85 millimeters | -55.1% |
| 1965 | 172.17 millimeters | +17.2% |
| 1966 | 9.38 millimeters | -94.6% |
| 1967 | 172.71 millimeters | +1741.4% |
| 1968 | 298.69 millimeters | +72.9% |
| 1969 | -56.02 millimeters | -118.8% |
| 1970 | 224.56 millimeters | -500.8% |
| 1971 | 204.35 millimeters | -9.0% |
| 1972 | 531.58 millimeters | +160.1% |
| 1973 | 163.44 millimeters | -69.3% |
| 1974 | 125.78 millimeters | -23.0% |
| 1975 | 118.83 millimeters | -5.5% |
| 1976 | 122.16 millimeters | +2.8% |
| 1977 | 385.78 millimeters | +215.8% |
| 1978 | 349.26 millimeters | -9.5% |
| 1979 | 315.51 millimeters | -9.7% |
| 1980 | 113.24 millimeters | -64.1% |
| 1981 | 97.01 millimeters | -14.3% |
| 1982 | 284.91 millimeters | +193.7% |
| 1983 | 88.17 millimeters | -69.1% |
| 1984 | 200.59 millimeters | +127.5% |
| 1985 | 166.09 millimeters | -17.2% |
| 1986 | 357.17 millimeters | +115.0% |
| 1987 | 94.93 millimeters | -73.4% |
| 1988 | 39.74 millimeters | -58.1% |
| 1989 | 297.9 millimeters | +649.6% |
| 1990 | 65.46 millimeters | -78.0% |
| 1991 | 136.55 millimeters | +108.6% |
| 1992 | -21.98 millimeters | -116.1% |
| 1993 | -159.95 millimeters | +627.7% |
| 1994 | 107.17 millimeters | -167.0% |
| 1995 | -46.51 millimeters | -143.4% |
| 1996 | -77.65 millimeters | +67.0% |
| 1997 | 206.2 millimeters | -365.5% |
| 1998 | 45.48 millimeters | -77.9% |
| 1999 | -121.56 millimeters | -367.3% |
| 2000 | -79.11 millimeters | -34.9% |
| 2001 | -66.63 millimeters | -15.8% |
| 2002 | 117.05 millimeters | -275.7% |
| 2003 | -276.36 millimeters | -336.1% |
| 2004 | -10.04 millimeters | -96.4% |
| 2005 | -280.66 millimeters | +2695.7% |
| 2006 | 144.51 millimeters | -151.5% |
| 2007 | -88.92 millimeters | -161.5% |
| 2008 | -42.52 millimeters | -52.2% |
| 2009 | -95.7 millimeters | +125.1% |
| 2010 | -77.4 millimeters | -19.1% |
| 2011 | 109.18 millimeters | -241.1% |
| 2012 | -28.94 millimeters | -126.5% |
| 2013 | 1.32 millimeters | -104.6% |
| 2014 | 29.68 millimeters | +2148.9% |
| 2015 | 27.17 millimeters | -8.5% |
| 2016 | -52.84 millimeters | -294.5% |
| 2017 | 7.92 millimeters | -115.0% |
| 2018 | 128.22 millimeters | +1519.7% |
| 2019 | 187.03 millimeters | +45.9% |
| 2020 | 279.29 millimeters | +49.3% |
| 2021 | -138.68 millimeters | -149.7% |
| 2022 | -42.12 millimeters | -69.6% |
| 2023 | 84.48 millimeters | -300.6% |
| 2024 | 261.65 millimeters | +209.7% |
| 2025 | -107.04 millimeters | -140.9% |
Tanzania compared with similar countries
- Tanzania's -107.04 millimeters is below the median for lower middle income countries, which is -16.79 millimeters, 6.4× the median. (47 countries reporting)
- Tanzania's -107.04 millimeters is below the median for Sub-Saharan Africa, which is -73.9 millimeters, 1.4× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Precipitation anomalies in Tanzania 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 |
|---|---|---|---|
| 2005 | -2695.7% | -10.04 millimeters | -280.66 millimeters |
| 2014 | +2148.9% | 1.32 millimeters | 29.68 millimeters |
| 1967 | +1741.4% | 9.38 millimeters | 172.71 millimeters |
| 2018 | +1519.7% | 7.92 millimeters | 128.22 millimeters |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | -77.79 millimeters | -415.38 millimeters | 160.77 millimeters | 10 |
| 1950s | 264.55 millimeters | -39.34 millimeters | 685.59 millimeters | 10 |
| 1960s | 209.75 millimeters | -56.02 millimeters | 580.68 millimeters | 10 |
| 1970s | 254.13 millimeters | 118.83 millimeters | 531.58 millimeters | 10 |
| 1980s | 173.97 millimeters | 39.74 millimeters | 357.17 millimeters | 10 |
| 1990s | 13.32 millimeters | -159.95 millimeters | 206.2 millimeters | 10 |
| 2000s | -67.84 millimeters | -280.66 millimeters | 144.51 millimeters | 10 |
| 2010s | 33.13 millimeters | -77.4 millimeters | 187.03 millimeters | 10 |
| 2020s | 56.26 millimeters | -138.68 millimeters | 279.29 millimeters | 6 |
Countries ranked near Tanzania
More climate change 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)
- Share of global CO₂ emissions and population 2.6% (2100)
- Population, total, annual growth rate 2.9 % change on previous year (2025)
- Population, total, per unit of GDP 0.0008 units per US$ of GDP (2025)
- Urban population, annual growth rate 4.93 % change on previous year (2025)
- Urban population, per unit of GDP 0.0003 units per US$ of GDP (2025)
- Urban population, per capita 0.3688 units per person (2025)
- Precipitation anomalies, annual growth rate -140.91 % change on previous year (2025)
Frequently asked questions
- What is precipitation anomalies in Tanzania?
- Precipitation anomalies in Tanzania was -107.04 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 Tanzania?
- The highest recorded value was 685.59 millimeters in 1957.
- What is the lowest precipitation anomalies recorded in Tanzania?
- The lowest recorded value was -415.38 millimeters in 1943.
- How does Tanzania rank for precipitation anomalies?
- Tanzania ranks 145th out of 192 countries with data for 2025.
- Is precipitation anomalies rising or falling in Tanzania?
- Over the last ten years it is down 493.9%. The long-run trend across the full record is volatile.
- 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 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.