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 exceeding 200mm was observed in parts of eastern Kenya.

Heavy rainfall of between 51-200 mm was observed in southwestern parts of South Sudan, in western and southern parts of Uganda, in western, central, …

21 - 30 November 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall of between 51-200 mm was observed in southwestern and southern parts of Ethiopia, in central and southern parts of Somalia, in eastern, central, coastal and western parts of Kenya, in western and southern …

11 - 20 November 2023 Read More
Recent rainfall totals
Recent rainfall totals

Very heavy rainfall of between 200-300mm was observed in the central parts of Kenya.

Heavy rainfall of between 51-200 mm was observed in southwestern and south-central parts of Ethiopia, in southern parts of Somalia, in …

1 - 10 November 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall of between 51-200 mm was observed in northwestern, western and southern parts of Ethiopia, in central and southern parts of Somalia, in northeastern, central western and parts of coastal Kenya, in western parts …

21 - 31 October 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall exceeding 100 mm was observed in a few areas in southwestern South Sudan, in northwestern Uganda, and southwestern Ethiopia.

Moderate to heavy rainfall of between 26 - 100 mm was observed in much …

11 - 20 October 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall of between 26 - 100 mm was observed in the northern and western parts of South Sudan, in western and southwestern Ethiopia, in a few areas in central Somalia, and in …

1 - 10 October 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall exceeding 200 mm was observed in parts of western Ethiopia.

Moderate to heavy rainfall of between 26 - 200 mm was observed in the southern parts of Sudan, in much of South Sudan, …

21 - 30 September 2023 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall exceeding 100 mm was observed in parts of western Ethiopia, and southern parts of South Sudan.

Moderate to heavy rainfall of between 26 - 100 mm was observed in the most southern parts …

11 - 20 September 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall of between 26 - 200 mm was observed in the most southern parts of Sudan, western and north-western Ethiopia, in several parts of South Sudan and Uganda, in western Rwanda, and …

1 - 10 September 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall of between 26 - 100 mm was observed in the southern parts of Sudan, western Eritrea, in several parts of South Sudan, in northern, western and central parts of Ethiopia, in …

21 - 31 August 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall 100 -200mm was observed in a western Ethiopia.

Moderate rainfall of between 26 - 100 mm was observed in southern parts of Sudan, in southwestern Eritrea, in much of South Sudan, …

11 - 20 August 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall of between 26 - 200 mm was observed in the southern parts of Sudan, western Eritrea, in northern, and western parts of South Sudan, in northern, western and central parts of Ethiopia, and …

11 - 20 August 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall 100 -200mm was observed in the a few isolated places in western Kenya and western Ethiopia.

Moderate rainfall of between 26 - 100 mm was observed in western and southern parts …

1 - 10 August 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall 100 -200mm was observed in the western parts of Ethiopia.

Moderate rainfall of between 26 - 100 mm was observed in much of the southern parts of Sudan, in western Eritrea, …

21 - 31 July 2023 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall of between 26 - 100 mm was observed in southern parts of Sudan, in much of South Sudan, the western, northern and central Ethiopia, in western Eritrea, in northern eastern and southeastern Uganda, …

1 - 10 July 2023 Read More