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 100-200mm was observed in some part of western Ethiopia.

Moderate rainfall between 50 - 100 mm was observed in western and southwestern parts of South Sudan, in western parts of Ethiopia, in …

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

Heavy rainfall between 100-200mm was observed in some part central highlands of Ethiopia.

Moderate rainfall between 50 - 100 mm was observed in western, eastern and southwestern parts of South Sudan, in western and central …

1 - 10 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 totals
Recent rainfall totals

Moderate to heavy rainfall between 50 - 200 mm was observed in a few areas in south-central and southeastern Sudan, in western and northwestern parts of Ethiopia, in northwestern and western South Sudan and in …

21 - 30 September 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately to severely wet rainfall conditions was observed in parts of central and southeastern Sudan, in parts of southern Eritrea, in much of Djibouti, in parts of northeastern Ethiopia, in a few areas in northwest …

21 - 30 September 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
Standardized Precipitation Index
Standardized Precipitation Index

Moderately to severely wet rainfall conditions was observed in western, central and southeastern Sudan, in parts of western and southern Eritrea, in northern parts of Ethiopia, in parts of northeastern and southwestern South Sudan, in …

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

Moderate to heavy rainfall between 50 - 200 mm was observed in western and northwestern parts of Ethiopia, in western and southern parts of South Sudan, in northwestern, southwestern and southeastern Uganda, in western parts …

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

Moderate to heavy rainfall (50 - 200 mm) was observed in a few isolated areas in western, south-central, and south-eastern Sudan, western and north-western Ethiopia, north-central, eastern parts, and much of western South Sudan, central …

1 - 10 September 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately to severely wet rainfall conditions observed in parts of western, central, eastern and south-eastern Sudan, north-central western and eastern parts of South Sudan, much of Djibouti, parts of north-eastern and south-central Ethiopia, eastern parts …

1 - 10 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 totals
Recent rainfall totals

Heavy rainfall (100-200mm) was observed in a few areas of south-eastern and north-western South Sudan, western and central Sudan, and the western highlands of Kenya.

Moderate rainfall (50 - 100 mm) was observed in western …

21 - 31 August 2022 Read More