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 northwestern and western parts of Ethiopia.

Moderate rainfall between 50 - 100 mm was observed in southwestern and southeastern parts of Sudan, southwestern Eritrea, in much of the …

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

Moderately to severely wet conditions observed in south-eastern Sudan extending to western Eritrea and north-eastern Ethiopia, and in a few isolated areas of western and central South Sudan and western Ethiopia.

Normal rainfall conditions observed …

11 - 30 June 2022 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall (100-200mm) observed in a few isolated areas of western Ethiopia.

Moderate rainfall (50 - 100 mm) observed in north-western and western parts of South Sudan and Ethiopia.

Light rainfall (25 - 50 mm) …

11 - 30 June 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than normal conditions observed in a few places in south-eastern Sudan, western Eritrea, and north-eastern parts of Ethiopia.

Normal rainfall conditions observed in south-central and south-eastern Sudan, much of northern and …

11 - 30 June 2022 Read More
Recent rainfall totals
Recent rainfall totals

Heavy rainfall (100-200mm) was observed in western parts of Ethiopia.

Moderate rainfall (50-100 mm) was observed in south-western and south-eastern Sudan, much of western South Sudan, north-western and central highlands of Ethiopia.

Light rainfall (25-50 …

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

Wetter to much wetter than normal conditions were observed in south-western and south-eastern Sudan, western Ethiopia, north-western, south-western, and northeastern South Sudan, and in western Uganda.

Normal rainfall conditions were observed in north-western and central …

11 - 20 June 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately to extremely wet conditions were observed in south-eastern and parts of south-western Sudan, north-western and northeastern South Sudan, western Ethiopia and western parts of Uganda.

Normal rainfall conditions were observed over southern parts of …

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

Moderate rainfall between 50 - 100 mm was observed in northwestern and western Ethiopia, and western and northwestern South Sudan.

Light rainfall between 25 - 50 mm was observed in southwestern, south-central and south eastern …

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

Wetter than and much wetter than usual conditions were observed in southwestern Sudan, and northwestern South Sudan.

Usual rainfall conditions were observed in southern parts of Sudan, in a few isolated areas in northeast, northwest, …

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

Moderately to extremely wet conditions were observed in southwestern Sudan, and northwestern South Sudan

Usual rainfall conditions were observed over the southern parts of Sudan, southeastern South Sudan, over much of Eritrea, much of north, …

1 - 10 June 2022 Read More
Recent rainfall totals
Recent rainfall totals

Heavy to moderate rainfall between 50 - 200 mm was observed in south-western Ethiopia, over much of Uganda, in southern parts of South Sudan, in western parts of Kenya, much of Rwanda and Burundi, and …

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

Wetter than and much wetter than normal conditions were observed in south-eastern part of South Sudan, south-western Ethiopia; much of western, northern and central Uganda; north-western and south-western Kenya, over much of Rwanda and Burundi, …

21 - 31 May 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately to extremely wet conditions were observed in south-eastern part of South Sudan, south-western Ethiopia; in much of northern, western and central Uganda; in north-western and south-western parts of Kenya; over much of Rwanda and …

21 - 31 May 2022 Read More
Recent rainfall totals
Recent rainfall totals

Moderate rainfall between 50 - 100 mm was observed in part of western South Sudan, and western Ethiopia.

Light rainfall between 25 - 50 mm was observed in western and eastern parts of South Sudan, …

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

Wetter than and much wetter than usual conditions were observed in parts of southwest and southeast Sudan, and in northeastern part of South Sudan

Usual rainfall conditions were observed in central and northern parts of …

10 - 20 May 2022 Read More