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 likely to be recorded all over the country, with a small area over the south-east likely to record usual temperatures.
Temperature forecast
- Warmer than usual conditions likely all over the country.
Anomaly Wet spell
- Fewer than usual wet spells over the western borders of the region.
- Higher than usual wet spells over the central areas of the region.
Onset anomalies
- Generally delayed onset over the eastern part of the region.
Probability of 300 mm
- Higher chances of rainfall exceeding 300 mm during October to December (OND) over western areas of the region.
Onset anomalies
Rains are expected to start late (compared to the 1981-2010 average onset) over Tanzania, Burundi, eastern Kenya, southern and central Somalia, and south-eastern Ethiopia. On the other hand, rains are expected to start earlier than …
Temperature forecast
- Warmer than usual temperatures conditions are expected over most parts of the region.
- Usual temperature conditions are expected over much of western and south-western Tanzania, mount Elgon areas of Kenya and Uganda, parts of north-western …
Rainfall forecast (Total mm)
- Wetter than usual conditions are expected over southern parts of Sudan, parts of South Sudan, the western border of Ethiopia, small areas in north-eastern Ethiopia, and the south-western border of Uganda.
- Usual rainfall conditions expected …