August to October (ASO) 2025
Rainfall
Moderate to high rainfall amounts of exceeding 500mm was observed in a few areas in central and western parts of Ethiopia, a few pockets in western South Sudan, northeastern Uganda and in parts of western Kenya.
Moderate rainfall amounts of between 201-500mm were observed in a wide band surrounding the darkest green area, covering most of countries highlighted above.
Light rainfall between 11 - 200 mm was observed in several parts of northern Sudan, Eritrea, in northeastern, central, eastern and southern Ethiopia, Somalia, in southern Uganda, Rwanda, Burundi, in western and coastal parts of Kenya, and in northern western and coastal parts of Tanzania.
No rainfall or less than 10mm was observed in northern Sudan, central Tanzania, northern parts of Kenya, and central and southern parts of Tanzania.
Moderately dry to severely dry conditions were observed in a few pockets in Sudan and western South Sudan, the Horn of Africa region including southeastern Ethiopia, northeastern Kenya and several parts of Somalia, southern parts of Burundi and much of Tanzania.
Moderate wet to severely wet rainfall conditions were observed in the northern parts of Sudan, several parts of Eritrea and Djibouti, western Ethiopia, southeastern to northwestern parts of Kenya, and a few areas in northern Tanzania.
Usual rainfall conditions were observed in the rest of the region.
Drier than usual conditions were observed in a few pockets in the northern parts of Sudan, in southeastern Ethiopia extending to northern and central Somalia, northeastern parts of Kenya, and several parts of Tanzania.
Wetter than and much wetter than usual conditions were observed in the northern parts of Sudan, coastal stretch in Eritrea, in Djibouti, northwestern Kenya extending to Uganda and South Sudan, and southern parts of Kenya.
Usual rainfall conditions were observed in much of the rest of the region.
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Standardized Precipitation Index
Moderately dry to severely dry conditions
- These conditions prevailed across much of the region, including parts of Tanzania, Burundi, Rwanda, Uganda, Kenya, Ethiopia, Somalia, Djibouti, Eritrea, and Sudan.
Moderate wet to extremely wet rainfall conditions …
Recent rainfall anomalies
Drier than and much drier than usual conditions
- These conditions prevailed across most parts of the region, affecting all countries in Greater Horn Africa.
Wetter and much wetter than usual conditions
- These conditions were confined …
Recent rainfall totals
Moderate to high rainfall amounts (>500mm)
- Observed in the western parts of Ethiopia and western parts of South Sudan.
Moderate rainfall amounts (201-500mm)
- Observed along the coastal parts of Tanzania and Kenya, western parts of …
Standardized Precipitation Index
Moderately dry to severely dry conditions were observed in southern parts of Sudan, in several parts of South Sudan, Ethiopia and Djibouti, in northern and central Somalia, and in coastal and southern Eritrea.
Moderate wet …
Recent rainfall totals
Moderate to high rainfall amounts of exceeding 500mm was observed in a few areas in western of Ethiopia, in northwestern South Sudan, and in part of western Kenya.
Moderate rainfall amounts of between 201-500mm were …
Recent rainfall anomalies
Drier than usual conditions were observed northern and southeastern Sudan, in Djibouti, in eastern Ethiopia extending to northern and central Somalia.
Wetter than and much wetter than usual conditions were observed in parts of northern, …
Maximum Temperature anomalies
All parts of the region showed warmer than the average maximum temperature. Maximum temperature mean difference exceeding 2°C is in western and eastern Sudan, northern Ethiopia, central and southern Eritrea, northeastern Somalia, northwestern South Sudan, …
Recent rainfall totals
Moderate to high rainfall amounts of between 500-1000mm were observed in northwestern and western parts of Ethiopia, in western parts of South Sudan, and in parts of western and central Kenya.
Moderate rainfall between 100 …
Recent rainfall anomalies
Drier than usual and much drier than usual conditions were observed in several parts of Rwanda and Burundi, in southern parts of Somalia, in southwestern Uganda, in western and northwestern Tanzania, and in southeastern Kenya. …
Standardized Precipitation Index
Moderately dry to severely dry conditions were observed in several parts of Rwanda and Burundi, in northwestern, western and central Tanzania, in southeastern Kenya, in several parts of Uganda, in southern and parts of northern …
Minimum Temperature anomalies
Minimum temperature cooler than the long-term mean was observed in the north-central Sudan, in eastern and southeastern Ethiopia, in northwestern and central parts of Somalia, in southern Burundi, and in northwestern parts of Tanzania.
Much …
Recent rainfall totals
Moderate to heavy rainfall greater than 500mm was western Ethiopia, western South Sudan, and in a few areas in western Kenya.
Moderate rainfall between 100 - 500 mm was in the southern parts of Sudan, …
Standardized Precipitation Index
Moderate to severely wetter than usual rainfall conditions were in western and southwestern Sudan, in central Eritrea, in some parts of coastal Djibouti, in parts of northeastern Somalia, in a few places in western, southern …
Recent rainfall anomalies
Wetter than and much wetter than usual conditions were observed southwestern and western parts of Sudan, in central Eritrea, in parts of northern Somalia, in a few areas in northeastern and southern Ethiopia.
Usual rainfall …
Recent rainfall totals
Moderate rainfall between 500 - 1000 mm was observed over western and northwestern Ethiopia, and in northwestern South Sudan.
Light rainfall between 200 - 500 mm was observed over southern parts of Sudan, in much …