August to October (ASO) 2025

Rainfall

Recent rainfall totals

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.

Standardized Precipitation Index

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.

Recent rainfall anomalies

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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Showing 51 results
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter than usual conditions were observed in central to western Sudan, in Djibouti, north-eastern Ethiopia and isolated parts of northern Somalia.
  • Usual rainfall conditions were observed in several parts of western and southern Sudan, Eritrea, …
JJAS - 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in isolated parts of western and eastern Sudan, south-western Ethiopia, western and Turkana region in Kenya.
  • Wetter than usual conditions observed in most parts of central Sudan, south, south-western …
JJAS - 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Higher than usual rainfall was recorded over much of Tanzania, Kenya, central and northern parts of Somalia, Djibouti, parts of southern, central and northeastern Ethiopia extending to Eritrea, and localized areas in northeastern South Sudan. …
MAM - 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual conditions were observed northern and southeastern 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 …

JJA - 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in parts of northern and central Somalia, in southeastern Ethiopia, in the general eastern parts of Kenya, in much of Rwanda and Burundi, in …

JJA - 2024 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in a few areas in western, central and eastern Sudan.

Usual rainfall conditions were observed in much of the central and southern parts of Sudan, …

JJA - 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in western and eastern parts of Sudan, north-western and central Eritrea, and several parts of Djibouti.

Usual rainfall conditions were observed in southern and central parts of Sudan, south-western …

JJA - 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions were observed in isolated parts in central and north-eastern Sudan.
  • Wetter than usual conditions were observed in most parts of central and north-eastern Sudan, northern Tanzania, north-eastern Ethiopia, and south-eastern …
JJA - 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than normal (extremely wetter than usual) conditions observed in most parts of western and eastern Sudan, and isolated areas in south Ethiopia.
  • Wetter than normal conditions observed in central and north-eastern Sudan, southern …
JJA - 2020 Read More
Recent rainfall anomalies

Drier than usual conditions were observed in Sudan, Djibouti, in western, central and southern Eritrea, in northern and eastern Ethiopia, in northern Somalia, and central Tanzania.

Wetter than usual conditions were observed in several parts …

AMJ - 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual conditions were observed in western and southern parts of Eritrea, in Djibouti, in northwestern, western and southwestern South Sudan, in northern and northeastern Ethiopia extending to northern Somalia, in northwestern, central and …

FMA - 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in western parts of Eritrea, in parts of Djibouti, in northern, western and southwestern South Sudan, in northern, northeastern and eastern Ethiopia extending to …

JFM - 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in eastern parts of Sudan, in northern and western parts of South Sudan, in northern, central and southern Ethiopia, in Djibouti, in northern and …

OND_UPDATE - (2024 - 2025) Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual and much wetter than usual conditions were observed in southeastern Sudan, western Eritrea, in several parts of Djibouti. In central and southwestern parts of Somalia, in southern and southeastern Ethiopia, in several …

AMJ - 2024 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in Djibouti, in southern parts of Eritrea, in central and southern Somalia, in parts of northeast, central, southern and southeastern Ethiopia, in southeastern South Sudan, …

FMA - 2024 Read More