Our seasonal forecasts
Our seasonal forecasts help Eastern Africa prepare for the season and mitigate the effects of climate extremes.
August - October 2026
Rainfall
Temperature
- Warmer than usual temperatures are expected over most parts of the region.
- Wetter-than-normal conditions expected over the eastern Horn, including Somalia, south-eastern and part of western Ethiopia, eastern to coastal Kenya and over few places in South Sudan, Sudan, Eritrea, Rwanda and northern Burundi.
- Drier than usual conditions expected over much of South Sudan, Sudan, Uganda, Ethiopia, western Kenya, northern Tanzania, and Rwanda.
Seasonal forecasts
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Probability of 400 mm
- Highest probabilities of rainfall exceeding 400mm in western Ethiopia, South Sudan, northern Uganda, southern areas of Sudan.
Onset dates
- 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.
- On the other hand, a late onset is …
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 …
Length of wet spells
- Long continuous wet days (10 - 15 days) in South Sudan, south-western Ethiopia, Uganda, Burundi, Rwanda, and parts of Tanzania.
- Short wet spells over eastern Kenya, north-eastern Ethiopia, and parts of north-eastern Somalia.
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 …
Probability of 300 mm
- High probabilities (> 50%) of receiving more than 300 mm of rainfall during March-May 2021 over much of Tanzania, Rwanda, Burundi, western Kenya, Uganda, south-western South Sudan, and south-western Ethiopia.
Rainfall forecast (Total mm)
- Wetter than usual conditions likely over eastern and south eastern parts of the country.
- Usual conditions likely over most parts of the country.
- Drier than usual conditions likely over small area in the western parts …
Rainfall forecast (Total mm)
- Wetter than usual conditions likely over few areas in north-eastern parts of the country.
- Usual conditions expected over most parts of the country.
- Drier than usual conditions likely over small area in north-western part of …
Rainfall forecast (Total mm)
Headline: A wetter than usual season is expected over most farming areas in the central and southern parts of the region. While a drier than usual season is expected over north-eastern Ethiopia. The season is …
Temperature forecast
- Warmer than usual conditions likely over central and northern parts of the country.
- Cooler than usual conditions likely over the southern parts of the country.
Temperature forecast
The season is expected to be warmer than usual in north-eastern Somalia, Djibouti, Eritrea, Sudan, north-eastern and north-western South Sudan, Rwanda, and eastern and central Ethiopia.
While the temperature is expected to be cooler than …