Our seasonal forecasts

Our seasonal forecasts help Eastern Africa prepare for the season and mitigate the effects of climate extremes.

Artboard 3 copy 2

June - September

Rainfall

Temperature

Length of dry spells
  • 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
Length of wet spells
  • 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
Onset dates
  • The onset of rainfall shows a progression from south to north following the movement of the ITCZ.
Probability Onset
  • 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
Temperature forecast
  • 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
Rainfall forecast
  • 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

Filter by Product Type
Filter by Region
Filter by Season
Filter by Year
Showing 455 results
Temperature forecast
Temperature forecast
  • Warmer than average conditions are expected over northern an southern Sudan, South Sudan, much of Ethiopia, Somalia, Kenya, Uganda, Rwanda, Burundi and Tanzania. 
  • Near Normal temperatures expected central Sudan, north-western Ethiopia, and parts of south-western …
JJA - 2025 Read More
Rainfall forecast
Rainfall forecast
  • Wetter than usual conditions expected over most parts of the northern sector of the region. 
  • Drier than usual conditions expected over few places in southern Sudan, north-western South Sudan, and isolated areas in southern coastal …
JJA - 2025 Read More
Temperature forecast
Temperature forecast
  • Warmer than usual conditions expected over most parts of the country.
  • Normal to cooler than normal conditions expected over south-eastern parts of the country.
JJA - 2025 Read More
Temperature forecast
Temperature forecast
  • Warmer than usual conditions are expected over most parts of the country except over north-western parts where cooler than normal conditions are expected.
JJA - 2025 Read More
Rainfall forecast (Total mm)
Rainfall forecast (Total mm)
  • Wetter than usual conditions expected over most parts of the country.
  • Drier than usual conditions are expected over parts of north-western and north-eastern areas of South Sudan.
JJA - 2025 Read More
Rainfall forecast (Total mm)
Rainfall forecast (Total mm)
  • Drier than usual conditions expected over most parts of the country.
JJA - 2025 Read More
Temperature forecast
Temperature forecast
  • Warmer than usual conditions expected over the whole country
JJA - 2024 Read More
Temperature forecast
Temperature forecast
  • Warmer than usual conditions expected over the whole region
JJA - 2024 Read More
Rainfall forecast
Rainfall forecast
  • Wetter than usual conditions expected over few areas in north-western and southern coastal parts of the country
  • The rest of the country is usually dry during this season
JJA - 2024 Read More
Rainfall forecast
Rainfall forecast
  • Wetter than usual conditions expected over most parts of Uganda, South Sudan, Sudan, central to northern Ethiopia, Djibouti, Eritrea, western and coastal Kenya, and southern coastal Somalia
  • Drier than usual conditions expected over corss border …
JJA - 2024 Read More
Temperature anomalies
Temperature anomalies

All parts of the region showed warmer than the average maximum temperature. Mean temperature difference exceeding 2° was observed in parts of central and northern Sudan, in central Eritrea, part of northern Ethiopia, northeastern Somalia, …

JJA - 2024 Read More
Rainfall forecast
Rainfall forecast
  • Wetter than usual conditions expected over most parts of the country
  • Drier than usual conditions expected over north-eastern parts of the country
JJA - 2024 Read More
Temperature forecast
Temperature forecast
  • Warmer than usual conditions expected over the whole country
JJA - 2024 Read More
Temperature forecast
Temperature forecast
  • Cooler than normal conditions expected over the country, with highest probabilities over the eastern parts.
JJA - 2022 Read More
Rainfall forecast
Rainfall forecast
  • Above normal rainfall expected over few areas in the north-western parts.
  • Normal to below normal rainfall expected over the southern areas.
JJA - 2022 Read More