Our seasonal forecasts
Our seasonal forecasts help Eastern Africa prepare for the season and mitigate the effects of climate extremes.
August - October 2025
Rainfall
Temperature
- Warmer than average conditions are expected over northern and southern Sudan, eastern and western South Sudan, central to southern Ethiopia, Somalia, southern and north-eastern Kenya, Uganda, Rwanda, Burundi and Tanzania.
- Normal to cooler than normal temperature conditions likely to be recorded over north-western Somalia, northern Ethiopia, southern Djibouti, western Eritrea, parts of western, central and eastern Sudan north-western Kenya, north-eastern Uganda and south-eastern South Sudan.
- Wetter than usual conditions expected over most parts of the northern sector of the region, western Kenya, Uganda and Rwanda.
- Drier than usual conditions expected over part of north-western South Sudan, south-eastern Ethiopia, central to southern Somalia, and eastern Kenya.
Seasonal forecasts
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Temperature forecast
- Warmer than usual conditions are expected over the central parts of the country.
- Usual conditions are expected over the south and northern parts of the country.
- Cooler than usual conditions are expected over a few …
Rainfall forecast
- Wetter than usual conditions are expected over the eastern parts of the country.
- Usual conditions are expected over central and western parts of the country.
- Drier than usual conditions are expected over a few areas …
Temperature forecast
- Warmer than usual temperatures are expected over Kenya, Ethiopia, Djibouti, northern Sudan, and a few areas in southern Tanzania.
- Usual temperatures are likely over much of Tanzania, Burundi, Rwanda, Uganda, much of South Sudan, southern …
Rainfall forecast
- Wetter than usual conditions are expected over areas in the south and northern parts of the country.
- Usual conditions are expected over most parts of the country.
Rainfall forecast
- Wetter than usual conditions are expected over Tanzania, Burundi, Rwanda, Uganda, eastern South Sudan, Kenya, and a few places in Ethiopia and Somalia.
- Usual conditions are expected over much of central to southern Somalia, south-eastern …
Length of wet spells
- Maximum wet spells of about 10 days are expected over western Kenya while the rest of the region is likely to record wet spells of between 4 and 8 days.
Rainfall forecast (Total mm)
- Wetter than usual conditions expected over Uganda, western Kenya, South Sudan, Sudan, much of Ethiopia, Djibouti and Eritrea
Probability of 400 mm
- Highest probabilities of rainfall exceeding 400mm in western Ethiopia, South Sudan, northern Uganda, southern areas of Sudan.
Temperature forecast
- Warmer than usual conditions expected over the eastern and northern parts of the region
- Cooler than usual conditions expected over the western parts of the region
Temperature forecast
- Warmer than usual conditions likely over eastern, north-eastern, and north-western parts of the country.
- Usual conditions likely over western and northern parts of the country.
- Cooler than usual conditions expected over southern and south-eastern parts …
Onset anomalies
- The season is expected to start 1-2 weeks early in northern Tanzania, northern Uganda, western and eastern Kenya, most of South Sudan, south-western Ethiopia, and southern Somalia.
- A late onset is expected over north-eastern Ethiopia …
