1-10 October, 2025

Rainfall

Standardized Precipitation Index

Moderately Wet to severely Wet Conditions

A large area stretching across the northern and central parts of the region was characterized by moderately to severely wet conditions. These areas include central Sudan, western Eritrea, south and northwestern Ethiopia, and northern Somalia, western and southeastern South Sudan, western parts of Kenya and northwestern parts of Tanzania.

Moderately Dry to Severely Dry Conditions

Countries with pronounced rainfall deficit included a few pockets in the border region between Ethiopia, Sudan and South Sudan, southeastern Ethiopia, central Somalia, and a few pockets in Tanzania.

Recent rainfall anomalies

Wetter Than Normal Conditions (Green and Light Green)

  • Much Wetter than Normal (Dark Green): Concentrated heavily over the northern parts of the region including Sudan, South Sudan, parts of Eritrea, Ethiopia, northern Somalia and the equatorial region including eastern Uganda, central to western Kenya and northwestern Tanzania.
  • Wetter than Normal (Light Green): Forms a wide band surrounding the darkest green area, covering most of countries highlighted above.

Near Normal Conditions (Light Blue)

  • Near Normal: Predominantly observed in large parts of equatorial and northern parts of the region including Uganda, South Sudan, Ethiopia, Somalia, Eritrea, Kenya and Sudan.

Drier Than Normal Conditions (Yellow and Orange)

  • Drier than Normal (Yellow) and Much Drier than Normal (Orange): These conditions dominate the northern and southern parts of the region.
    • Significant drier areas cover most of northern Ethiopia, southern Somalia, eastern Kenya, much of Tanzania, northwestern Eritrea and in Sudan.
    • The orange ('Much drier than normal') is evident across most of the countries highlighted.

No Rain (White)

  • No Rain: Indicated in the very northern and eastern dry areas, particularly in northern parts of Sudan, northern Ethiopia, and northwestern Kenya as well as central and southern Tanzania.
Recent rainfall totals

High Rainfall Accumulation (Dark Green to Light Green)

  • Highest Rainfall (201–300 mm and 101–200 mm): These values are extremely high for a 10-day period. Rainfall amounts between 101 and 300 mm was observed in isolated pockets within the central region of Ethiopia and western parts of Kenya.
  • Significant Rainfall (51–100 mm and 26–50 mm): These categories cover vast areas, forming a wide, central-to-western band across the region, including:
    • A few pockets in Somalia
    • Most of southern Sudan and South Sudan.
    • Large sections of Ethiopia (especially the western highlands).
    • Western Kenya, Uganda, Rwanda, Burundi and a few pockets in Tanzania.

Moderate to Low Rainfall (Yellow and Orange)

  • Low Rainfall (11–25 mm and 6–10 mm): These values typically ring the high-rainfall areas and transition into the driest zones. They are concentrated over:
    • All countries in the GHA region.

Very Low or No Rain (Light Grey and White)

  • Very Low Rainfall (1–5 mm): Forms a major transitional zone across northern Sudan, parts of Eritrea, Ethiopia, much of Somalia, northwestern and northeastern Kenya, and most parts of Tanzania.
  • Negligible/No Rain (<1 mm or No Data): These dry conditions dominate northern Sudan, parts of Ethiopia, and several parts of Kenya and Tanzania.

All Products

Filter by Product Type
Filter by Region
Filter by Dekad
Filter by Year
Filter by Month
Showing 168 results
Recent rainfall anomalies
Recent rainfall anomalies

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

11 - 20 August 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in western, central and eastern parts of Sudan, in several parts of Eritrea and Djibouti, in several parts of Rwanda, in northeastern part of Ethiopia, …

1 - 10 August 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in western, eastern and southwestern parts of Sudan, in parts of western and central Eritrea, over several parts of Djibouti, in parts of northwestern and …

21 - 31 July 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in a few isolated areas in central and south-central Sudan, northern Ethiopia, and north-west South Sudan.

Usual rainfall conditions were observed in south-western and south-central …

11 - 20 July 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in southwestern Sudan, in southwestern Eritrea, northern Ethiopia, and in a few areas in eastern and western South Sudan

Usual rainfall conditions were observed in …

1 - 10 July 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than normal conditions observed in a few places in south-eastern Sudan, western Eritrea, and north-eastern parts of Ethiopia.

Normal rainfall conditions observed in south-central and south-eastern Sudan, much of northern and …

11 - 30 June 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter to much wetter than normal conditions were observed in south-western and south-eastern Sudan, western Ethiopia, north-western, south-western, and northeastern South Sudan, and in western Uganda.

Normal rainfall conditions were observed in north-western and central …

11 - 20 June 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in southwestern Sudan, and northwestern South Sudan.

Usual rainfall conditions were observed in southern parts of Sudan, in a few isolated areas in northeast, northwest, …

1 - 10 June 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than normal conditions were observed in south-eastern part of South Sudan, south-western Ethiopia; much of western, northern and central Uganda; north-western and south-western Kenya, over much of Rwanda and Burundi, …

21 - 31 May 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in parts of southwest and southeast Sudan, and in northeastern part of South Sudan

Usual rainfall conditions were observed in central and northern parts of …

10 - 20 May 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than to much wetter than normal conditions were observed in southern parts of Sudan, north-western and north-eastern South Sudan, in western parts of Ethiopia, in central and southern Somalia, north-eastern and coastal parts of …

1 - 10 May 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in northwest and eastern parts of South Sudan, western Ethiopia, eastern and southern parts of Uganda, much of western and central Kenya, eastern Rwanda, and …

21 - 30 April 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in northwest, and in eastern parts of South Sudan, western Ethiopia, southwest Uganda, northeast Rwanda, and in eastern and coastal Tanzania.

Usual rainfall conditions were observed in a western …

11 - 20 April 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than normal conditions observed in southern parts of Tanzania, and in a few places in western Ethiopia and north-western South Sudan.

Usual rainfall conditions observed in a few parts of western Ethiopia, north-eastern and …

1 - 10 April 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in south-western parts of Ethiopia, central Somalia, and highlands of western Kenya.
  • Wetter than usual conditions observed over central and northern Uganda, and south-western Tanzania.
  • Normal rainfall conditions observed …
21 - 31 March 2022 Read More