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 148 results
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in western parts of Eritrea, in parts of southern and eastern Sudan, in several parts of Somalia, South Sudan, and northwestern, western, southern and eastern …

OND - 2023 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to extremely wet rainfall conditions were observed western Eritrea, in parts of eastern and southern Sudan, in western, northwestern, southern and eastern Ethiopia, in several parts of Somalia, and South Sudan, in northeastern, eastern, …

OND - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall amounts exceeding 500mm were observed in southern parts of Somalia, in parts of southwestern and southeastern Ethiopia, in areas around Lake Victori, in central and coastal parts of Kenya, in southern Burundi, and in …

OND - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall (500 - 1000 mm) was observed over a few isolated areas in western Kenya, south-western Uganda, and north-western Burundi.

Moderate rainfall (200 - 500 mm) was observed in south-western Ethiopia, …

OND - 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than usual conditions were observed in a few places of western Ethiopia.

Usual rainfall conditions were observed in parts of western and southern Sudan, several parts of Eritrea, western and north-western …

OND - 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately to severely wetter than usual rainfall conditions were observed in a few areas in south-eastern Sudan, western Ethiopia, central and south-central South Sudan, south-western and western parts of Uganda, parts of western Kenya, north-western …

OND - 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderate to severely wetter than usual rainfall conditions were observed in a few areas in western South Sudan; north-east and central parts Ethiopia, south-west Uganda, southern Burundi and northwest Tanzania.
  • Usual rainfall conditions were observed …
OND - 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter than usual conditions were observed in north-western Tanzania and in a few isolated areas in western and central South Sudan; and in central and north-western Ethiopia.
  • Usual rainfall conditions were observed in over much …
OND - 2021 Read More
Recent rainfall totals
Recent rainfall totals
  • Heavy rainfall exceeding 1000 mm was not recorded in the region.
  • Moderate rainfall between 500 - 1000 mm was observed over northwestern part of Tanzania and in isolated part of southern Burundi.
  • Light rainfall between …
OND - 2021 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderately wetter to severely wetter than usual conditions observed in western Sudan, southern and eastern parts of South Sudan; south-eastern, eastern and north-eastern Uganda; and central and northern costal parts of Tanzania.
  • Usual rainfall conditions …
OND - 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions not observed over Mara mountain region of Darfur region of Sudan, north-eastern Lake Victoria basin of Kenya, north-eastern and Lake Victoria basin of Uganda in the GHA region.
  • Wetter than …
OND - 2020 Read More
Recent rainfall totals
Recent rainfall totals
  • Heavy rainfall (between 500 - 1000 mm) observed over highlands of western Kenya, south-eastern Uganda and isolated areas in central Tanzania and central Burundi.
  • Moderate rainfall (between 100 - 500 mm) observed in most …
OND - 2020 Read More
Recent rainfall totals
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 …

ASO - 2025 Read More
Recent rainfall anomalies
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 …

ASO - 2025 Read More
Standardized Precipitation Index
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 …

ASO - 2025 Read More