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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Recent rainfall totals
Recent rainfall totals

High rainfall amounts exceeding 1000mm was observed in the southern parts of Tanzania.

Rainfall amounts of between 500-1000mm were observed in southwestern part of Ethiopia, in western and central parts of Kenya, in southern and …

FMA - 2024 Read More
Standardized Precipitation Index
Standardized Precipitation Index

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

FMA - 2024 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in central eastern and southern parts of Tanzania, in eastern and southeastern Uganda, in western, central and south-central parts of Kenya, in central southwestern and …

JFM - 2024 Read More
Recent rainfall totals
Recent rainfall totals

High rainfall amounts exceeding 1000mm was observed in the southern parts of Tanzania.

Rainfall amounts of between 500-1000mm were observed in western, central, eastern and southern parts of Tanzania, and in parts of western Kenya. …

JFM - 2024 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to extremely wet rainfall conditions were observed in several parts of Tanzania, in western and south-central parts of Kenya, in southeastern Uganda, in central southwestern, and northern parts of Ethiopia, and in parts of …

JFM - 2024 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wet rainfall conditions were observed in southern parts of Sudan, in parts of western and central Eritrea, in some places in northern, central and northeastern Ethiopia, in western part of South Sudan, …

AMJ - 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in the southern parts of Sudan, in southwestern, central and southern parts of Eritrea, in some parts of Djibouti, in parts of northern and southwestern …

AMJ - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall between 500 - 1000 mm was observed western Ethiopia, in western South Sudan, in southeastern Uganda, in parts of western, central and coastal Kenya, and in parts of coastal and southern Tanzania.

Moderate …

AMJ - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall (500 - 1000 mm) observed over Burundi, south-western Ethiopia, several areas around Lake Victoria, and in north-western, southern, and coastal parts of Tanzania.

Moderate rainfall (200 - 500 mm) observed …

FMA - 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than usual conditions observed in southern parts of Sudan, central and southern Eritrea, much of Djibouti, north-western and southern Somalia, much of central, north-eastern, southern, and eastern Ethiopia, northern and south-eastern …

FMA - 2023 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wetter than usual rainfall conditions observed in southern parts of Sudan extending to northern and south-eastern South Sudan, much of central, southern, north-eastern and eastern Ethiopia, central and southern Eritrea, much of …

FMA - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall (500 - 1000 mm) observed over western Ethiopia, western Kenya, and in the western region of Lake Victoria.

Light rainfall (200 - 500 mm) observed over several parts of South Sudan, north-western, …

AMJ - 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wetter than normal rainfall conditions observed in south-eastern and western Sudan, north-western South Sudan, western Ethiopia, and in a few isolated areas of northern and southern Tanzania.

Normal rainfall conditions observed in …

AMJ - 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than normal conditions observed in south-eastern parts of Sudan and in southern parts of Tanzania.

Normal rainfall conditions observed in southern parts of Sudan, western Eritrea, several parts of South Sudan, much of western …

AMJ - 2022 Read More
Recent rainfall totals
Recent rainfall totals

Very heavy exceeding 100 mm observed in south-western part of Tanzania.

Heavy rainfall between 500 - 1000 mm observed over much western, central and southern Tanzania and also in western Kenya.

Moderate rainfall between 200 …

JFM - 2022 Read More