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 100-200 mm) observed in isolated areas in north-western Ethiopia.
  • Moderate rainfall (between 50-100 mm) observed in most parts of South Sudan, northern Uganda, central and western Ethiopia, and western Kenya.
  • Light rainfall …
21 - 30 September 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in central Sudan, north-western Somalia, south-eastern South Sudan, eastern Ethiopia, Karamoja region of Uganda, south and eastern Burundi, Lake Victoria sides of Kenya, and north-western and Lake Victoria sides …
21 - 30 September 2020 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Severely wet conditions observed in central Sudan, north-western and eastern Ethiopia, Lake Victoria sides of Kenya, north-western Somalia, eastern and south-eastern South Sudan, Karamoja region of Uganda, south and eastern Burundi, and north-western and Lake …
21 - 30 September 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in most parts of western and central Sudan; western, central and eastern Ethiopia; and north-western Somalia.
  • Wetter than usual conditions observed in most parts south-eastern Sudan, eastern South Sudan, …
21 - 31 August 2020 Read More
Minimum Temperature anomalies
Minimum Temperature anomalies
  • Warmer than usual minimum temperature recorded over western and eastern parts of Sudan, south and central South Sudan, everywhere in Kenya, Uganda, Somalia, and Tanzania.
  • Cooler than usual minimum temperature recorded in central and northern …
21 - 31 August 2020 Read More
Maximum Temperature anomalies
Maximum Temperature anomalies
  • Warmer than usual maximum temperature recorded over Somalia, Kenya, Rwanda, Burundi, Tanzania, Ethiopia, south-eastern South Sudan and red sea region of Sudan.
  • Cooler than usual maximum temperature recorded in most parts of Sudan, South Sudan, …
21 - 31 August 2020 Read More
Recent rainfall totals
Recent rainfall totals
  • Very Heavy rainfall (above 200 mm) observed in most parts of highlands of central Ethiopia.
  • Heavy rainfall (between 100-200 mm) observed in western and south-eastern Sudan, and most parts of Ethiopia.
  • Moderate rainfall (between …
21 - 31 August 2020 Read More
Standardized Precipitation Index
Standardized Precipitation Index
  • Extremely wet conditions observed in most parts of western, central and south-eastern Sudan; north-western Somalia; and western, central, and eastern Ethiopia.
  • Severely wet conditions observed in most parts of south-eastern Sudan, eastern South Sudan, Lake …
21 - 31 August 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Observed rainfall anomalies.

1 - 10 June 2020 Read More
Maximum Temperature anomalies
Maximum Temperature anomalies

Temperature Maximum Anomalies.

1 - 10 June 2020 Read More
Exceptional rainfall
Exceptional rainfall

SPI for the first dekad of June.

1 - 10 June 2020 Read More
Recent rainfall totals
Recent rainfall totals

Observed rainfall totals.

1 - 10 June 2020 Read More
Minimum Temperature anomalies
Minimum Temperature anomalies

Temperature Minimum Anomalies.

1 - 10 June 2020 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Severely dry (much drier than usual) conditions observed in northeast Kenya, central Somalia, southwestern Uganda.
  • Moderate dry (drier than usual) conditions observed in most parts of Ethiopia, southern, central and western Sudan, southern, Eritrea, most …
11 - 20 May 2020 Read More
Maximum Temperature anomalies
Maximum Temperature anomalies
  • Warmer than usual maximum temperature recorded over northern and western Sudan, northern and southwestern and southern South Sudan, most parts of southern, central and eastern Ethiopia, most of Kenya and Uganda, Rwanda, Burundi southern, central …
11 - 20 May 2020 Read More