Our seasonal forecasts
Our seasonal forecasts help Eastern Africa prepare for the season and mitigate the effects of climate extremes.
October - December 2025
Rainfall
Temperature
- Warmer than average conditions expected over most parts of the region with highest probabilities over parts of Kenya, Ethiopia, Djibouti, Somalia, and Tanzania.
- Normal to cooler than normal temperature conditions likely to be recorded over coastal areas of Sudan and northern central Eritrea.
- Wetter than usual conditions expected over southern parts of South Sudan, part of north-eastern Somalia, northern and south-western Uganda, and northern parts of Rwanda.
- Drier than usual conditions expected over most parts of Somalia, Djibouti, coastal Sudan and Eritrea, southern Ethiopia, Kenya, central to southern Uganda, and Tanzania.
Seasonal forecasts
Filter by Product Type
Filter by Region
Filter by Season
Filter by Year
Showing 423 results
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 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 …
Onset anomalies
- Early-onset is expected over central to north-eastern Somalia and Djibouti.
- Late-onset is expected over isolated areas in western Kenya, Uganda, and north-eastern Ethiopia.
- The rest of the region is expected to record normal onset.
Rainfall forecast (Total mm)
- Wetter than usual conditions expected over Uganda, western Kenya, South Sudan, Sudan, much of Ethiopia, Djibouti and Eritrea
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
Probability of 400 mm
- Highest probabilities of rainfall exceeding 400mm in western Ethiopia, South Sudan, northern Uganda, southern areas of Sudan.
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.
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 …
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 …
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.