
Lake · DR Congo · Tanzania · Burundi · Zambia
Lake Tanganyika
Tanganyika
Lake between Tanzania, DR Congo, Burundi and Zambia
- Area
- 32,827km²
- Max depth
- 1,433m
- Average depth
- 577m
- Elevation
- 767m a.s.l.
- Shoreline
- 2,126km
- Volume
- 18,940km³
Lake Tanganyika is a lake in DR Congo. It covers 32,827 km². On average it is 577 m deep, and 1,433 m at its deepest point. Its surface lies 767 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Tanganyika?
The water is warmest in April, around 26 °C at the surface, and coldest in September, around 24 °C. The surface averages 20 °C or more from January to December: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 30 °C on average in September and 26 °C in January. The driest month is June (1 mm of rain), the wettest December (218 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (87 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | 25 | 25 | 26 | 24 | 190 | 26 | 5.2 | 10 |
| February | 25 | 25 | 27 | 24 | 154 | 22 | 6.2 | 10 |
| March | 25 | 26 | 27 | 24 | 170 | 25 | 6.4 | 10 |
| April | 26 | 26 | 27 | 24 | 119 | 18 | 7.3 | 14 |
| May | 25 | 25 | 27 | 23 | 16 | 5 | 9.0 | 16 |
| June | 25 | 25 | 27 | 21 | 1 | 0 | 9.9 | 17 |
| July | 24 | 25 | 27 | 21 | 1 | 0 | 9.9 | 17 |
| August | 24 | 24 | 28 | 22 | 3 | 0 | 9.6 | 16 |
| September | 24 | 24 | 30 | 24 | 8 | 2 | 9.0 | 15 |
| October | 24 | 24 | 30 | 25 | 53 | 9 | 7.8 | 13 |
| November | 24 | 24 | 28 | 25 | 189 | 21 | 5.7 | 10 |
| December | 25 | 25 | 26 | 24 | 218 | 27 | 5.0 | 10 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 403 years before flowing out.
- Its catchment drains 239,412 km² of land.
- About 1,491 m³ of water flow out every second, on average.
- Its shoreline is 3.3 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Lake Tanganyika
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
Towns on the shore
- Bujumbura769,317 people
- Uvira407,092 people
- Kigoma232,388 people
- Kalemie160,961 people
- Kituku66,378 people
- Rumonge55,599 people
- Mpulungu55,405 people
- Kirando33,111 people
Nearest airport with scheduled flights: Kalemie Airport (FMI), 135 km in a straight line.
OpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 26.1 | 27.0 | 27.0 | 27.1 | 27.4 | 26.8 | 26.8 | 28.5 | 30.2 | 30.1 | 28.1 | 26.3 |
| 2020 | −0.1 | −0.7 | −0.5 | −1.0 | −1.1 | −1.1 | −1.3 | −0.5 | −0.4 | −0.4 | +0.1 | −0.7 |
| 2021 | −0.6 | −1.1 | +0.1 | −1.1 | −1.0 | −0.6 | −1.0 | −0.1 | −0.8 | +0.3 | +0.8 | +1.7 |
| 2022 | −0.6 | −1.5 | ±0.0 | −0.6 | −0.8 | −1.3 | −0.9 | −0.9 | −0.8 | +0.5 | −0.9 | −0.7 |
| 2023 | ±0.0 | ±0.0 | −0.5 | −0.4 | −0.2 | +0.6 | +0.1 | +0.3 | +0.8 | +1.4 | +0.4 | +0.1 |
| 2024 | −0.2 | +0.3 | +0.6 | +0.1 | +0.1 | −0.2 | +0.7 | +0.1 | +0.5 | −0.8 | +0.8 | +0.4 |
| 2025 | −0.2 | +0.3 | +0.9 | +0.7 | −0.3 | +0.6 | +0.1 | −0.4 | +0.4 | +1.1 | +1.0 | +1.7 |
+1 warmer than usual −1 cooler than usual
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q5511) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.

