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 168 results
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in a few areas in southwestern Sudan and western Ethiopia.

Drier than usual conditions were observed in central and eastern parts of Sudan, in several parts of Eritrea and …

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

Wetter than usual conditions were observed in a few places in western and eastern Sudan.

Drier than usual conditions were observed in central parts of Sudan, in coastal, central and southern Eritrea, in in several …

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

Wetter than usual conditions were observed in western and central parts of Sudan, and in parts of western Kenya.

Drier than usual conditions were observed in much of Eritrea and Djibouti, in southern parts of …

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

Wetter than usual conditions were observed in a few isolated areas in southwestern Ethiopia and southeastern South Sudan.

Drier than usual conditions were observed in central and eastern parts of Sudan, in several parts of …

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

Wetter than usual conditions were observed in western parts of Sudan, in southeastern Uganda, and in parts of western Kenya.

Drier than usual conditions were observed in central and south-central parts of Sudan, in central …

1 - 10 July 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Moderately to severely wet conditions were observed in southern western Ethiopia, in parts of western and southern Sudan, in western parts of South Sudan, in several parts of northern, western, central and eastern Uganda, and …

21 - 30 June 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in southern parts of Sudan, in parts of western Eritrea, in northern and southwestern Ethiopia, in eastern and southern parts of South Sudan, in northern, western, central and southeastern …

11 - 20 June 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in several parts of central and southern Sudan, western and central Eritrea, in northern parts of South Sudan, and in parts of northwestern Ethiopia.

Drier than usual conditions were …

1 - 10 June 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in much of Eritrea, in several parts of Djibouti, in parts of western and eastern Sudan, in northern, southern and eastern parts of Ethiopia, and in parts of northern …

21 - 31 May 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in central parts of Eritrea, and in northeastern and central parts of Ethiopia.

Drier than usual conditions were observed in southern parts of Sudan, in western Eritrea, in much …

11 - 20 May 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions observed in several parts of the region.

Drier than usual conditions observed in a few areas of western Eritrea and north-eastern Somalia.

Usual rainfall conditions recorded in parts of western Eritrea, …

21 - 30 April 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in central parts of Eritrea, in northern and western parts of Ethiopia, in northwestern South Sudan, in eastern parts of Kenya, and in several parts of northeastern, northeastern, western …

11 - 20 April 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in much of Djibouti, in central, northeastern and eastern Ethiopia, in northwestern and southern Somalia, in northwestern, and parts of eastern and western Kenya, in several parts of Rwanda …

1 - 10 April 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in eastern and southern parts of Tanzania.

Drier than usual conditions were observed in several parts of Ethiopia, in southwestern and southeastern parts of South Sudan, in several parts …

1 - 10 February 2023 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Usual rainfall conditions were in southwestern parts of Uganda, in southwestern Rwanda, in several parts of Burundi, and in northwestern, western, central eastern and southern Tanzania.

No rainfall conditions were observed in much of Sudan, …

21 - 31 January 2023 Read More