11-20 September, 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 western Sudan, western Eritrea, much of Ethiopia, Djibouti and northern Somalia, western South Sudan, northeastern parts of Kenya and northeastern parts of Tanzania.

Moderately Dry to Severely Dry Conditions

Countries with pronounced rainfall deficit included a few pockets of northern Sudan, western South Sudan, southeastern Ethiopia, central Somalia, coastal parts of Kenya 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, Eritrea, Ethiopia, Djibouti and northern Somalia as well as a few pockets in Uganda.
  • 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 found in the equatorial band of the region, including large parts of Uganda, Ethiopia, western Kenya, central and southern South Sudan, and in Sudan.

Drier Than Normal Conditions (Yellow and Orange)

  • Drier than Normal (Yellow) and Much Drier than Normal (Orange): These conditions dominate the eastern and the Horn of Africa.
    • 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, eastern 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) is focused 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:
    • Most of southern Sudan and South Sudan.
    • Large sections of Ethiopia (especially the western highlands).
    • Western Kenya and Uganda.

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 central Kenya, southern Somalia, Sudan, Ethiopia, and 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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Showing 162 results
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
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
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
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
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than to much wetter than normal conditions were observed in southern parts of Sudan, north-western and north-eastern South Sudan, in western parts of Ethiopia, in central and southern Somalia, north-eastern and coastal parts of …

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

Wetter than and much wetter than usual conditions were observed in northwest and eastern parts of South Sudan, western Ethiopia, eastern and southern parts of Uganda, much of western and central Kenya, eastern Rwanda, and …

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

Wetter than usual conditions were observed in northwest, and in eastern parts of South Sudan, western Ethiopia, southwest Uganda, northeast Rwanda, and in eastern and coastal Tanzania.

Usual rainfall conditions were observed in a western …

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

Wetter than normal conditions observed in southern parts of Tanzania, and in a few places in western Ethiopia and north-western South Sudan.

Usual rainfall conditions observed in a few parts of western Ethiopia, north-eastern and …

1 - 10 April 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much wetter than usual conditions observed in south-western parts of Ethiopia, central Somalia, and highlands of western Kenya.
  • Wetter than usual conditions observed over central and northern Uganda, and south-western Tanzania.
  • Normal rainfall conditions observed …
21 - 31 March 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter than usual conditions observed in western parts of South Sudan, in isolated parts of central Tanzania and over south-western Tanzania, and in a few isolated parts of north-west Ethiopia.
  • Normal rainfall conditions observed in …
11 - 20 March 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Much Wetter than normal conditions observed over south-western South Sudan, and isolated parts of Ethiopia.
  • Wetter than normal conditions observed over isolated parts of Tanzania.
  • Normal rainfall conditions observed in most of Rwanda, northern Burundi, …
1 - 10 March 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter than normal conditions observed over most of Tanzania, central and eastern Rwanda, eastern Burundi, most of southern Kenya, south-eastern Uganda, and south-western Ethiopia.
  • Normal rainfall conditions observed in most of western Uganda, western Burundi, …
21 - 28 February 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter than normal to much wetter than normal conditions were observed in central and southern Uganda, western Kenya, much of Rwanda, northern and central Burundi; and in much of north, central, eastern and southern Tanzania. …
11 - 20 February 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter to much wetter than usual conditions were observed in south-western Uganda, northern Rwanda, parts of western Kenya, and northern, eastern, and southern Tanzania.
  • Usual rainfall conditions were observed over most of Sudan, Somalia, South …
1 - 10 February 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Much wetter than usual conditions observed in most parts of Rwanda, and north-western, central and eastern Tanzania.

Wetter than usual conditions observed in most of Burundi, coastal parts of Kenya, and north-western parts of Tanzania. …

21 - 31 January 2022 Read More