The Tanzania resorts with the warmest sea water temperature in December are Mafia Island, Dar es Salaam and Zanzibar.
Below you can see a list of all popular Tanzania resorts and information about sea water temperature in December for the last two years.
| Resort Name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Mafia Island | 88.2°F | 88.5°F | 89.0°F |
| Dar es Salaam | 87.9°F | 87.7°F | 88.5°F |
| Zanzibar | 87.9°F | 88.2°F | 88.8°F |
| Tanga | 87.4°F | 87.6°F | 88.1°F |
| Nungwi | 86.9°F | 87.6°F | 88.2°F |
| Pemba | 86.8°F | 87.2°F | 88.1°F |
| Tanganyika | 83.3°F | 83.9°F | 84.3°F |
| Ngorongoro | 79.1°F | 82.0°F | 82.4°F |
| Lake Manyara | 79.0°F | 82.0°F | 82.4°F |
Please see following sea water temperature averages charts for the warmest Tanzania resorts in December.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Tanzania Resorts:
NAME
F°
| Arusha |  |
+64 |
| Dar es Salaam |  |
+80 |
| Dodoma | |
+66 |
| Kilimanjaro | |
+60 |
| Lake Manyara | |
+68 |
| Mafia Island | |
+76 |
| Ngorongoro |  |
+56 |
| Nungwi | |
+78 |
| Pemba | |
+80 |
| Selous |  |
+72 |
| Serengeti | |
+70 |
| Tanga | |
+76 |
| Tanganyika | |
+68 |
| Tarangire | |
+68 |
| Zanzibar | |
+78 |
