Tanzania Meteorological Authority Predicts Below-Average Rains for the 2025 Vuli Season
The Tanzania Meteorological Authority (TMA) has announced that the Vuli season (October to December 2025) is expected to experience average to below-average rainfall in many parts of the country. The season will be dominated by prolonged dry spells and poor rainfall distribution, particularly in the northern coastal areas and the northeastern highlands.
Speaking to the media today in Dar es Salaam, Acting Director General of TMA and Vice Chair of the Intergovernmental Panel on Climate Change (IPCC), Dr. Ladislaus Chang’a, said rains are expected to begin during the first and second week of October 2025 in Kagera, Geita, Mwanza, Mara, and northern Kigoma regions. The rains will then spread to the northern coast and the northeastern highlands during the first and second week of November 2025 and are expected to end in January 2026.
“Citizens are advised to closely follow the 24-hour, 10-day, and monthly forecasts as well as warnings issued by TMA, since this outlook covers the entire three-month season. Short-term changes in rainfall systems and indicators will continue to be monitored and reflected in medium and short-range forecasts,” said Dr. Chang’a.
He added that rainfall is expected to slightly increase in December 2025, while hotter-than-usual conditions are projected during the season.
Furthermore, Dr. Chang’a stated that TMA has continued to provide seasonal forecasts at the district level. A total of 86 districts located in bimodal rainfall areas will be provided with tailored forecasts.
The Vuli season mainly affects the northeastern highlands (Arusha, Manyara, and Kilimanjaro), the northern coast (northern Morogoro, Pwani including Mafia Islands, Dar es Salaam, and Tanga, as well as Unguja and Pemba), the Lake Victoria Basin (Kagera, Geita, Mwanza, Shinyanga, Simiyu, and Mara), and northern Kigoma.

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