Our seasonal forecasts
Our seasonal forecasts help Eastern Africa prepare for the season and mitigate the effects of climate extremes.
June - September
Rainfall
Temperature
- Longest dry-spell lengths after onset expected over western Kenya, eastern Uganda, southern Ethiopia, northern Sudan.
- Much of the region is likely to experience first dry-spell length ranging from 4 to 8 days
- Longer wet-spell lengths after seasonal onset are expected over parts of northwestern Ethiopia, while shorter wet-spell lengths are anticipated over northeastern Ethiopia and Sudan
- The onset of rainfall shows a progression from south to north following the movement of the ITCZ.
- Enhanced probabilities of a late onset are indicated across much of the region. However, parts of southwestern, north-central Ethiopia, and parts of Sudan show likelihood of an early to near-normal onset
- Significantly higher likelihood for above-normal temperatures are indicated across the vast majority of the Greater Horn of Africa region.
- The highest probabilities of above-normal temperatures are concentrated over northern Sudan, most parts of South Sudan and Ethiopia
- Wettern than normal conditions indicated over parts of coastal Somalia and Kenya, northern Sudan, southern Ethiopia, and northern Somalia while near-normal conditions are expected over most of central Sudan.
- Enhanced likelihood Below-normal rainfall across much of the northern GHA, including South Sudan, Ethiopia, parts of Sudan, Eritrea, Djibouti, Uganda, and western Kenya.
Seasonal forecasts
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Rainfall forecast
- Drier than usual rainfall expected over southern parts of the country.
Temperature forecast
- Warmer than usual conditions are expected over much of the country.
- Usual conditions are expected over south-eastern and north-western parts of the country.
Temperature forecast
- Warmer than usual conditions are expected over much of the country.
- Usual temperatures are likely to be recorded over northern areas of the country.
Rainfall forecast (Total mm)
- Usual conditions are likely over central and northern parts of the country.
- Drier than usual conditions are likely over southern parts of the country.
Rainfall forecast (Total mm)
- Wetter than usual conditions are expected over few areas.
- Usual conditions are expected over most parts of the country.
Temperature forecast
- Warmer than usual conditions are expected over much of Kenya, Uganda, Somalia, Ethiopia, South Sudan, eastern and western Tanzania, southern Burundi, eastern Sudan, and Djibouti.
- Usual temperature conditions are likely over central Tanzania, the Karamoja …
Rainfall forecast (Total mm)
- Usual conditions are expected over most parts of Ethiopia, western and southern Kenya, areas in central to northern Somalia, Uganda, Rwanda, Burundi, and much of Tanzania.
- Drier than usual conditions are expected over northern and …
Rainfall forecast (Total mm)
- Drier than usual conditions likely to be recorded over Uganda, Rwanda, Burundi, Tanzania, Kenya, Somalia, and much of Ethiopia.
- Average conditions likely to be recorded over much of south-eastern Ethiopia, central and western South Sudan, …
Rainfall forecast (Total mm)
- Wetter than usual conditions likely to be recorded over parts of central and north-western areas of the country.
- Average rainfall conditions likely to be recorded over much of central and western parts of the country. …
Temperature forecast
- Warmer than usual temperature conditions likely to be recorded over Kenya, Somalia, Ethiopia, Eritrea, Sudan, northern and north-western South Sudan, western Uganda, Rwanda, Burundi, and eastern and western Tanzania.
- Average temperatures likely to be recorded …
Temperature forecast
- Warmer than usual conditions likely to be experienced over part of southern, much of northern, and western parts of the country.
- Average temperature conditions likely to be recorded over a small area in the south, …
Rainfall forecast (Total mm)
- Wetter than usual conditions likely over north-eastern parts of the country.
- Drier than usual conditions likely over the rest of the country.
Temperature forecast
- Warmer than usual conditions likely to be recorded all over the country.
Rainfall forecast
- 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, …
Rainfall forecast
- Normal to wetter than usual conditions expected over part of north-eastern areas of the country.
- Drier than usual conditions expected over most parts of the country.