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.

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Showing 167 results
Recent rainfall totals
Recent rainfall totals

Rainfall exceeding 100 mm was observed in a few areas in central and eastern Kenya, in southern Somalia, in northern Burundi, and in part of northwestern Tanzania.

Moderate rainfall of between 26-100 mm was observed …

11 - 20 December 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall exceeding 100 mm was observed in parts of central and eastern Tanzania.

Moderate to high rainfall of between 26-100 mm was observed in much of the rest of Tanzania, in Burundi, and in parts …

1 - 10 December 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed in a few areas in central Kenya, and northwestern and northeastern Burundi.

Moderate rainfall of between 26-100 mm was observed in much of western Uganda and southwestern Uganda, …

1 - 10 November 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed in some areas in southwestern Ethiopia.

Moderate rainfall of between 26-100 mm was observed in western, central and eastern parts of South Sudan, in northwestern, western, southern and …

21 - 31 October 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed in southern South Sudan and northern parts of Uganda.

Moderate rainfall of between 26-100 mm was observed in parts of south-central Sudan, in several parts of South Sudan, …

11 - 20 October 2024 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall of between 26-100 mm was observed in western, northern and eastern parts of South Sudan, in southern parts of Sudan, in parts of western and northeastern Ethiopia, in northwestern part of Somalia, in …

1 - 10 October 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed a few isolated areas in western Ethiopia and northwestern South Sudan.

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

21 - 30 September 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed a few isolated areas in northwestern Ethiopia.

Moderate rainfall of between 26-100 mm was observed in southern parts of Sudan, in northwestern, western and central parts of Ethiopia, …

1 - 10 September 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed in the central parts of Eritrea, in isolated parts of western and southwestern Sudan and northwestern South Sudan, and in northern Ethiopia.

Moderate rainfall of between 26-100 mm …

21 - 31 August 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed in a few isolated parts in western Sudan, and northern and northwestern Ethiopia.

Moderate rainfall of between 26-100 mm was observed in much of the central to southern …

10 - 20 August 2024 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall of exceeding 100 mm was observed parts of northern Ethiopia and central Eritrea.

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

1 - 10 August 2024 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall of exceeding 100 mm was observed parts of western Sudan, northwestern part of South Sudan, and in parts of northern Ethiopia.

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

21 - 31 July 2024 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall of exceeding 100 mm was observed parts of western and central Ethiopia.

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

11 - 20 July 2024 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall of between 51-100 mm was observed in northwestern and western Ethiopia extending to southeastern boarders of Sudan, and also in northwestern and western part of South Sudan.

Moderate rainfall of between 26 - …

21 - 30 June 2024 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall exceeding 100mm was observed in western parts of Ethiopia.

Moderate rainfall of between 51-100 mm was observed in southeastern parts of Sudan, in much of western and northwestern Ethiopia, and in …

11 - 20 June 2024 Read More