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.

All Products

Filter by Product Type
Filter by Region
Filter by Year
Showing 154 results
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in the major parts of the region including Sudan, southeastern Ethiopia, Somalia, Kenya, S. Sudan, Uganda and Tanzania.

Moderate wet to severely wet rainfall conditions were observed …

SON - 2025 Read More
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 totals
Recent rainfall totals

Moderate to high rainfall amounts of exceeding 500mm was observed in a few areas in western parts of Ethiopia, a few pockets in western South Sudan, western Uganda and in parts of western Kenya.

Moderate …

SON - 2025 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 …

DJF - 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
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 …

DJF - 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in several parts of Somalia, in southern and northeastern parts of Ethiopia, in a few parts of western South Sudan, central and south-central Uganda, and central Sudan. …

SON - 2024 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to high rainfall amounts of exceeding 500mm was observed in a few isolated parts of western Ethiopia, south eastern Uganda, western Burundi, and parts of western Kenya.

Moderate rainfall amounts of between 201-500mm were …

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 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 totals
Recent rainfall totals

Moderate to high rainfall amounts of exceeding 800mm was observed in a few isolated parts of western Ethiopia.

Moderate rainfall amounts of between 201-800mm were observed in the southern parts of Sudan, in several parts …

DJF - 2024 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in several parts of Somalia, and Kenya, in southeastern parts of Sudan, in parts of northern, western and eastern South Sudan, in southwestern Uganda, in some 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
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wet rainfall conditions were observed northwestern Eritrea, in western, southern and southeastern Ethiopia, in several parts of Somalia, South Sudan and Kenya, in northwestern Uganda, in the area around Lake Victoria, in …

SON - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall amounts exceeding 500mm were observed in western parts of Ethiopia, southwestern parts of South Sudan, in northwestern and southeastern Uganda, in western and central, coastal parts of Kenya, in part of southern Somalia.

Moderate …

SON - 2023 Read More