Observed rainfall conditions for August to October (ASO) 2021

Rainfall

Recent rainfall totals
  • Heavy rainfall exceeding 1000 mm was not recorded in the region.
  • Moderate rainfall between 500 - 1000 mm was observed over western part of Ethiopia, western South Sudan, and isolated parts of western Kenya.
  • Light rainfall between 200 - 500 mm was observed in southern parts of Sudan, over much of South Sudan, central parts of Ethiopia, over much of Uganda, in western Rwanda, north-western Burundi, and in western and central Kenya.
  • Rainfall between 10 - 200 mm was observed over central parts of Sudan, much of Eritrea, Djibouti, southern and eastern Ethiopia, Somalia, north and eastern parts of Kenya, eastern Rwanda, most of Burundi, and much of Tanzania.
  • Dry conditions (usual during this time of the year) were observed in northern parts of Sudan, north-eastern and central parts of Somalia, northern Kenya, and central and south-western Tanzania.
Recent rainfall anomalies
  • Wetter than usual conditions were observed in a few isolated places in western Kenya, eastern Sudan, several parts of Djibouti, eastern Ethiopia, and in northern Somalia.
  • Usual rainfall conditions were observed in over much of Sudan, Eritrea, South Sudan, Uganda, western and central Kenya, Rwanda, Burundi, and north and western Tanzania.
  • Moderately drier than usual conditions were observed in southern parts of Ethiopia, over much of Somalia, in northern and eastern Kenya, and in eastern and central parts of Tanzania.
Standardized Precipitation Index
  • Moderate to severely wetter than usual rainfall conditions were observed in western parts of Sudan, north eastern Ethiopia, much of Djibouti, western Kenya, and western Burundi.
  • Usual rainfall conditions were observed in much of the rest of Sudan, Eritrea, South Sudan, western and central Ethiopia, northern Somalia, east and central Uganda, central parts of Kenya, central Rwanda, eastern Burundi; and north, west and central Tanzania.
  • Moderately drier than usual to severely dry conditions were observed in southern parts of Sudan, western South Sudan, southern Ethiopia, over much of Somalia, several parts of Kenya, in western and eastern Rwanda, and over several parts of eastern Tanzania.

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Showing 53 results
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual conditions were observed in the Horn of Africa region including Kenya, Ethiopia and Somalia, in Tanzania, parts of Uganda, a few pockets in S. Sudan and Sudan.

Wetter than and much wetter …

SON - 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 …

DJF - 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in several parts of Somalia, in northeastern parts of Kenya, and in southern and southeastern Ethiopia.

Wetter than usual and much wetter than usual …

SON - 2024 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in several parts of Somalia, in much of the eastern parts of Kenya, and in the Lake Victoria regions of Tanzania, and in parts …

DJF - 2024 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in northwestern parts of Eritrea, in several parts of Somalia and Kenya, in southern and southeastern parts of Ethiopia, in the areas around Lake Victoria, …

SON - 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in southern parts of Ethiopia, in central and southern parts of Somalia, and in northeastern Kenya.

Usual rainfall conditions were observed in much of the …

DJF - 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in a few isolated places in western highland of Kenya, and in western and eastern parts of Sudan.

Usual rainfall conditions were observed in much …

SON - 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than usual conditions were observed in western, central, and eastern parts of Sudan, several parts of Eritrea and Djibouti, north-eastern parts of Ethiopia, parts of western Kenya, and a few areas …

DJF - 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter than usual conditions were observed in a few isolated places in western Kenya, eastern Sudan, several parts of Djibouti, eastern Ethiopia, and in northern Somalia.
  • Usual rainfall conditions were observed in over much of …
DJF - 2021 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, southwestern parts of Uganda and several …

JAS - 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in several parts of north, central and eastern Kenya, in southern Somalia, in southern parts of Ethiopia, and in northwestern and southern parts of Tanzania. …

MAM - 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 northeastern, southeastern and coastal Kenya, in several parts of Rwanda and Burundi, and …

JJAS - 2024 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in several parts of Sudan and South Sudan, in parts of western Eritrea, in northeastern Somalia, in northwestern Ethiopia, and in northwestern parts of …

MAM - 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, …

JJAS - 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed central and southern parts of Eritrea, in much of Djibouti, in northeastern, central southern and part of eastern Ethiopia, in northern and eastern parts of …

MAM - 2023 Read More