21 - 31 May, 2024

Rainfall

Recent rainfall anomalies

Drier than usual conditions were observed in southern parts of Sudan, in western and central Eritrea, in several parts of Ethiopia and Somalia, in southeastern parts of South Sudan, in much of Rwanda and Burundi, in northwestern, central and southwestern Uganda, and in northwestern parts of Tanzania.

Wetter than and much wetter than usual conditions were observed in northeastern Ethiopia, and in northeastern part of Somalia.

Near Normal and no rainfall conditions were observed in several parts of Sudan, in southern Eritrea, in much of Djibouti, in northern and eastern parts of Kenya, in several parts of South Sudan and Uganda, in southwestern Somalia, and in northeastern and eastern Tanzania.

Recent rainfall totals

Moderate rainfall of between 51-100 mm was observed in western Ethiopia, western South Sudan, southwestern Uganda, in parts of western, central and coastal Kenya, and in northeastern coast of Tanzania.

Moderate rainfall of between 26 - 50 mm was observed in several parts of South Sudan, in parts of western and central Ethiopia, in northern central and western parts of Uganda, and in parts of western and central Kenya.

Light rainfall of between 6- 25 mm occurred in southern parts of Sudan, in northern, central, eastern and southern Ethiopia, in several parts of Somalia, in southeastern Kenya, in western and southwestern Uganda, in several parts of Rwanda and Burundi, and in northern and eastern parts of Tanzania.

Rainfall less than 5mm was observed in much of Sudan, Eritrea, Djibouti, in northeastern Ethiopia, in northeastern parts of Somalia, in northern and eastern Kenya, in southern Burundi, and in western, central and parts of southern Tanzania.

Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in southern parts of Sudan, in southwestern Eritrea, in northwestern, western, central and northeastern parts of Ethiopia extending into the northern parts of Somalia, in southwestern part of South Sudan, in northwestern, southwestern and parts of western and southern Uganda, in several parts of Rwanda, in western and eastern Burundi, and in several parts around Lake Victoria.

Moderately wet to severely wet conditions were observed in western parts of South Sudan, and in central and south-central and in parts of coastal Kenya.

Usual rainfall conditions and no rainfall conditions were observed in much of the rest of the region.

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Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (101–300 mm)

  • High rainfall (101–200 mm): Recorded mainly over southeastern Ethiopia and adjacent areas of Somalia along the border.

Moderate to High Rainfall (26–100 mm)

  • Predominantly observed across Somalia, Ethiopia, South Sudan, …
11 - 20 November 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter-than-Normal to Much-Wetter-than-Normal Conditions

  • Much wetter than normal: Observed across southeastern Ethiopia, central to northern Somalia, South Sudan, Uganda, Rwanda, Burundi, and northwestern Tanzania.
  • Wetter than normal: Observed in areas surrounding the much-wetter-than-normal zones highlighted …
11 - 20 November 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter-than-normal to much-wetter-than-normal conditions

  • Much wetter than normal: These conditions were observed across several parts of Somalia, southeastern Ethiopia, Kenya, Uganda, South Sudan, Sudan, and Eritrea.
  • Wetter than normal: These conditions were observed in areas …
1 - 10 October 2026 Read More
Recent rainfall totals
Recent rainfall totals

  • High rainfall accumulation (>100 mm): These amounts were recorded in the Horn of Africa region, especially southeastern Ethiopia and pockets in the southern parts of Somalia
  • Moderate to high rainfall (26-100 mm): These amounts were …
1 - 10 October 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than Normal to Much Wetter than Normal Conditions

  • Much Wetter than Normal: Observed over most of Sudan, central to western Ethiopia, western and eastern Eritrea, northern and southern Somalia, northern parts of South Sudan, …
11 - 20 September 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (101–300mm)

  • High Rainfall (101–200mm): Recorded in a few areas in western Ethiopia.

Moderate to High Rainfall (26–100mm)

  • Predominantly observed in southwestern Eritrea, central to western Ethiopia, southern parts of Sudan, several parts …
11 - 20 September 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter-than-normal to much-wetter-than-normal conditions

  • Much wetter than normal: These conditions were observed in several parts of Sudan, western Eritrea, northern and central Ethiopia, Djibouti, pockets of northern Somalia, and western South Sudan.
  • Wetter than normal: …
1 - 10 September 2026 Read More
Recent rainfall totals
Recent rainfall totals

  • High rainfall accumulation (>100 mm): These amounts were recorded in a few pockets of western Ethiopia.
  • Moderate to high rainfall (26–100 mm): These amounts were recorded across western Eritrea, Ethiopia, Sudan, South Sudan, a few …
1 - 10 September 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter Than Normal to much wetter than normal Conditions

  • Much wetter than Normal: This category was observed in the northern parts of the region including most parts of Sudan, South Sudan, Ethiopia, and Eritrea.
  • Wetter …
21 - 31 August 2026 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to high Rainfall of between (26-200mm)

  • The observed conditions were concentrated in the northern sector of the region, particularly over western and northwestern Ethiopia, the border area between Eritrea, Sudan, South Sudan, and Ethiopia, …
21 - 31 August 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (101–300mm)

  • High Rainfall (101–200mm): Recorded in a few areas in western Ethiopia.

Moderate to High Rainfall (26–100mm)

  • Predominantly observed in western Eritrea, central to western Ethiopia, southern parts of Sudan, several parts …
11 - 20 August 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than Normal to Much Wetter than Normal Conditions

  • Much Wetter than Normal: Observed over most of Sudan, central to western Ethiopia, western Eritrea, and a northern belt of South Sudan.
  • Wetter than Normal: Observed …
11 - 20 August 2026 Read More
Recent rainfall totals
Recent rainfall totals

  • High rainfall accumulation (>100 mm): These amounts were recorded in a few pockets of western Ethiopia.
  • Moderate to high rainfall (26–100 mm): These amounts were recorded across western Eritrea, Ethiopia, Sudan, South Sudan, several parts …
1 - 10 August 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter-than-normal to much-wetter-than-normal conditions

  • Much wetter than normal: These conditions were observed in several parts of Sudan, western Eritrea, northern Ethiopia, Djibouti, pockets of northern Somalia, northern South Sudan, northeastern Uganda, and western Kenya.
  • Wetter …
1 - 10 August 2026 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to high Rainfall of between (26-200mm)

  • The observed conditions were concentrated across the northern sector of the region, particularly over western Ethiopia, the border area between Eritrea, Sudan, South Sudan, and Ethiopia, western South …
21 - 31 July 2026 Read More