11-20 October, 2025

Rainfall

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 western southern and southeastern region of Ethiopia, central Somalia, western and northeastern South Sudan, much of Uganda, western parts of Kenya, and northwestern Tanzania.
  • Significant Rainfall (51–100 mm and 26–50 mm): These categories cover vast areas, forming a wide, central-to-western band and northeastern across the region, including:
    • A few pockets in Somalia
    • Most of southern western and eastern South Sudan.
    • Large sections of Ethiopia (especially the western and southern parts).
    • Western Kenya, Uganda, Rwanda, 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 except Djibouti.

Very Low or No Rain (Light Grey and White)

  • Very Low Rainfall (1–5 mm): Forms a major transitional zone across central Sudan, parts of Eritrea, Ethiopia, Somalia, much of eastern Kenya, and most parts of Tanzania.
  • Negligible/No Rain (<1 mm or No Data): These dry conditions dominate northern Sudan, northern parts of Ethiopia, and northwestern parts of Kenya and 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, central Somalia and the equatorial region including parts of Uganda, and western Kenya.
  • 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 western 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 central Sudan, northwestern Eritrea, northern Ethiopia, southern Somalia, eastern Kenya, much of Tanzania, and in Burundi.
    • 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 the dry parts of the region, particularly in northern parts of Sudan, northern Ethiopia, and northwestern Kenya as well as central and southern Tanzania.

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Showing 496 results
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderately wet to severely wetter than usual conditions observed in much of Ethiopia, Rwanda, southern Sudan, northern and central South Sudan, central and north-western Somalia; much of western, central and southern Kenya; eastern Uganda, western …
1 - 10 May 2021 Read More
Recent rainfall totals
Recent rainfall totals
  • Moderate to heavy rainfall between 100 - 200 mm observed in western parts and isolated areas of southern Ethiopia, in eastern and south-eastern Uganda; western, central and south-western Kenya; south-western Rwanda, south-eastern Somalia, and north-eastern …
1 - 10 May 2021 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderately wetter to severely wetter than usual conditions observed over Lake Victoria basin, Blue Nile State in Sudan, north-eastern South Sudan; central, north-western and north-eastern Ethiopia; northern Somalia, and northern and south-western Tanzania.
  • Usual rainfall …
20 - 30 April 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed over Blue Nile state in Sudan, north-eastern South Sudan, central, north-western and north-eastern Ethiopia, northern Somalia, northern and south-western Tanzania, and isolated areas over highland of western Kenya.
  • Wetter …
20 - 30 April 2021 Read More
Recent rainfall totals
Recent rainfall totals
  • Moderate to heavy rainfall between 100 - 200 mm observed over Lake Victoria basin, isolated parts in central Kenya, highland of western Ethiopia, and southern Tanzania.
  • Moderate rainfall between 50 - 100 mm observed in …
20 - 30 April 2021 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderately wetter to severely wetter than usual conditions observed in isolated parts of central and northern Ethiopia, north-eastern Kenya , north-eastern Rwanda and Burundi, and western and south-eastern Tanzania.
  • Usual rainfall conditions observed over most …
11 - 20 April 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in isolated parts of highland of central and northern Ethiopia, north-eastern Burundi and Rwanda, and western and south-eastern Tanzania.
  • Usual rainfall conditions observed over southern Uganda, south-western and north-western …
11 - 20 April 2021 Read More
Recent rainfall totals
Recent rainfall totals
  • Moderate rainfall between 50 - 100 mm observed in south-eastern and north-western Tanzania, most parts of Burundi, Rwanda, highland of south-western Ethiopia, lake Victoria basin sides of Kenya, and Uganda.
  • Light rainfall between 25 - …
11 - 20 April 2021 Read More
Recent rainfall totals
Recent rainfall totals
  • Moderate to heavy rainfall between 100 - 200 mm observed in isolated areas and parts of northern and south-eastern Tanzania, and the highland of western Kenya.
  • Moderate rainfall between 50 - 100 mm observed in …
1 - 10 April 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in isolated parts of northern Tanzania, western and north-eastern Uganda, highland parts of western Kenya, and costal parts of southern Somalia.
  • Wetter than usual conditions observed in sporadic parts …
1 - 10 April 2021 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderately wetter to severely wetter than usual conditions observed in the highland of western Kenya, eastern and north-eastern Kenya, isolated parts of northern Tanzania, and isolated areas in southern Somalia.
  • Usual rainfall conditions observed over …
1 - 10 April 2021 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Moderately wetter to severely wettest than usual conditions observed in eastern parts of South Sudan, isolated areas in southern and northern Tanzania.
  • Usual rainfall conditions observed over central south Sudan, central Ethiopia, most parts of …
21 - 31 March 2021 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in eastern parts of South Sudan, isolated areas in southern and northern parts of Tanzania.
  • Wetter than usual conditions observed in most parts of western parts of South Sudan, …
21 - 31 March 2021 Read More
Recent rainfall totals
Recent rainfall totals

  • Moderate to heavy rainfall (between 100 - 200 mm) observed in isolated areas in southern Tanzania.
  • Moderate rainfall (between 50 - 100 mm) observed in highlands of western Kenya, south-western Burundi and Rwanda, southern and …
21 - 31 March 2021 Read More
Recent rainfall totals
Recent rainfall totals
  • Moderate rainfall between 50 - 100 mm observed in scattered parts of southern and central Tanzania.
  • Light rainfall between 25 - 50 mm observed in and north-western Tanzania, everywhere in Burundi, Rwanda, south-western Uganda, and …
11 - 20 March 2021 Read More