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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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 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 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 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 …

ASO - 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 …

ASO - 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 …

ASO - 2024 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
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 …

ASO - 2023 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to extremely dry conditions were observed southern parts of Sudan, in northern and northeastern parts of Ethiopia, in northeastern part o Somalia, in parts of northern, eastern and southern South Sudan, in several …

ASO - 2023 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall amounts exceeding 500mm were observed in western parts of Ethiopia, western parts of South Sudan, and in parts of western Kenya.

Moderate rainfall between 100 - 500 mm was observed in southern parts of …

ASO - 2023 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wetter than usual rainfall conditions were observed in a few isolated areas in eastern, western, and south-eastern Sudan, southern Eritrea, parts of northern and western Ethiopia, central parts of South Sudan, south-western …

SON - 2022 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall between exceeding 500 was observed over parts of western Ethiopia, parts of western highlands of Kenya, and in a few parts of south-western Uganda.

Moderate rainfall between 200 - 500 mm …

SON - 2022 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