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 a few places in eastern, southern and western Tanzania.

Usual rainfall conditions were in several parts of Rwanda, in several parts of northwestern, central western and southern Tanzania, and …

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

Wetter than usual conditions were observed in a few places of north-eastern and central Tanzania, and in coastal Kenya.

Usual rainfall conditions were observed in parts of central and south-western Tanzania.

No rainfall conditions were …

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

Wetter than and much wetter than usual conditions were observed in southeastern and eastern parts of Uganda, in western parts of Kenya, in central Burundi, and in several parts of Tanzania.

Usual rainfall conditions were …

21 - 31 December 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in much of Uganda, in southwestern South Sudan, in western part of Kenya, in northwestern Rwanda, and in eastern part of Burundi.

Usual rainfall conditions …

11 - 20 December 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in southern parts of South Sudan, in much of the northern, western, central and eastern Uganda, in western and northeastern Kenya, in southeastern Somalia, in …

1 - 10 December 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in southwestern parts of South Sudan, in northcentral and southwestern Uganda, in several parts of Rwanda, and in western Tanzania.

Usual rainfall conditions were observed …

21 - 30 November 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in the part of eastern Ethiopia, in western parts of central Somalia and southern coast of Somalia, in southern parts of South Sudan, in western, …

11 - 20 November 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in the southeastern part of South Sudan, in a few isolated areas in central Ethiopia, in southwestern and northeastern Uganda, in western parts of Kenya, …

1 - 10 November 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than usual conditions were observed in south-eastern parts of Sudan, western parts of Ethiopia, central parts of Somalia, in north-central, north-eastern, central and south-eastern South Sudan, parts of western, north-eastern and …

20 - 31 October 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in southeastern parts of Sudan, western parts of Ethiopia, in central parts of Somalia, in north-central, northeastern, central and southeastern South Sudan, in part of …

10 - 20 October 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

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

1 - 10 October 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in parts of central and southeastern Sudan, in southern parts of Eritrea, in much of Djibouti, in northwestern and northeastern Ethiopia, in a few areas in northwestern and northeastern …

21 - 30 September 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

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

11 - 20 September 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than usual conditions were observed in much of Djibouti, in parts of western and eastern Sudan, in southern Eritrea, in northeastern and south-central parts of Ethiopia, in western and eastern parts of South Sudan, …

1 - 10 September 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than usual conditions were observed in western, central, and eastern Sudan, parts of southern Eritrea, much of Djibouti, a few areas in north-eastern Ethiopia, north-western Somalia, western, south-western, central, and south-eastern …

21 - 31 August 2022 Read More