21-30 September, 2025

Rainfall

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, pockets in the northern parts of Ethiopia, Djibouti and northern Somalia.
  • 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 Uganda, South Sudan, Ethiopia, Somalia, Eritrea, and Sudan.

Drier Than Normal Conditions (Yellow and Orange)

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

No Rain (White)

  • No Rain: Indicated in the very northern and eastern dry areas, particularly along the coast of Eritrea, Sudan, parts Somalia, and much of Kenya and 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. The dark green (201–300 mm) was observed in isolated pockets within the central region of Ethiopia.
  • 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 Eritrea, Djibouti and 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, central Kenya, and most parts of Tanzania.
  • Negligible/No Rain (<1 mm or No Data): These dry conditions dominate the Sudan, parts of Eritrea, eastern half of Somalia, and several parts of Kenya and Tanzania.

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Recent rainfall totals
Recent rainfall totals

Heavy rainfall between 100-200mm was observed in some part in northern Ethiopia, in a few areas in northwest South Sudan, and in part of western Kenya highlands.

Moderate rainfall between 50 - 100 mm was …

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

Heavy rainfall between 100-200mm was observed in a few isolated areas in northwestern Eritrea, in part of southwestern Sudan, and in a few isolated areas in northern Ethiopia.

Moderate rainfall between 50 - 100 mm …

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

Heavy rainfall between 100-200mm was observed in a northwestern, and western part of Ethiopia, and in a few areas in southwestern Sudan and northwestern South Sudan.

Moderate rainfall between 50 - 100 mm was observed …

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

Heavy rainfall between 100-200mm was observed in a few isolated areas in north-west South Sudan, and north-western Ethiopia.

Moderate rainfall between 50 - 100 mm was observed in parts of south-west and south-central Sudan, in …

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

Heavy rainfall between 100-200mm was observed in northwestern and western parts of Ethiopia.

Moderate rainfall between 50 - 100 mm was observed in southwestern and southeastern parts of Sudan, southwestern Eritrea, in much of the …

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

Heavy rainfall (100-200mm) observed in a few isolated areas of western Ethiopia.

Moderate rainfall (50 - 100 mm) observed in north-western and western parts of South Sudan and Ethiopia.

Light rainfall (25 - 50 mm) …

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

Heavy rainfall (100-200mm) was observed in western parts of Ethiopia.

Moderate rainfall (50-100 mm) was observed in south-western and south-eastern Sudan, much of western South Sudan, north-western and central highlands of Ethiopia.

Light rainfall (25-50 …

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

Moderate rainfall between 50 - 100 mm was observed in northwestern and western Ethiopia, and western and northwestern South Sudan.

Light rainfall between 25 - 50 mm was observed in southwestern, south-central and south eastern …

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

Heavy to moderate rainfall between 50 - 200 mm was observed in south-western Ethiopia, over much of Uganda, in southern parts of South Sudan, in western parts of Kenya, much of Rwanda and Burundi, and …

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

Moderate rainfall between 50 - 100 mm was observed in part of western South Sudan, and western Ethiopia.

Light rainfall between 25 - 50 mm was observed in western and eastern parts of South Sudan, …

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

Heavy to moderate rainfall between 50 - 200 mm was observed in western Ethiopia, in south-eastern Uganda, south-eastern Somalia, in western and coastal parts of Kenya, and in parts of the Lake Victoria region of …

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

Heavy to moderate rainfall between 50 - 200 mm was observed in southwestern Ethiopia, over much of Uganda, in western and central parts of Kenya, much of Rwanda, Burundi, and in northern, western and eastern …

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

Heavy to moderate rainfall between 50 - 200 mm was observed in southwestern Ethiopia, western and southwestern Uganda, in much of Rwanda, western and central parts of Kenya, and in eastern Tanzania.

Light rainfall between …

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

Heavy to moderate rainfall between 50 - 200 mm observed in southern parts of Tanzania, north-western Burundi, and in isolated parts of western Ethiopia.

Light rainfall between 25 - 50 mm observed in a few …

1 - 10 April 2022 Read More
Recent rainfall totals
Recent rainfall totals
  • Heavy to moderate rainfall between 100 - 200 mm observed over highlands of western Kenya, and isolated parts in southern and western Tanzania.
  • Heavy to moderate rainfall between 50 -100 mm observed in western and …
21 - 31 March 2022 Read More