May 2021

Rainfall

Recent rainfall totals

  • Moderate to heavy rainfall between 200 - 500 mm observed in isolated parts of western Ethiopia, western and central parts of Kenya, and northern coast of Tanzania.
  • Moderate rainfall between 100 - 200 mm observed in much of South Sudan, Uganda, several parts of western and southern Ethiopia, western, central and coastal Kenya, isolated parts of southeast Somalia, most of Rwanda, north, and western Burundi, northwest and coastal Tanzania.
  • Light rainfall between 50 - 100 mm observed in southern parts of Sudan, isolated parts of north-central and southeastern South Sudan, central and eastern parts Ethiopia, several parts of central and southern Somalia, southwest Uganda, and a few parts of northwest and northeast Tanzania.
  • Rainfall range 10-50 mm observed over marginal areas in southern parts of Sudan, in western and central Eritrea, northeast Ethiopia, northeast and southwest Somalia extending to northeast Kenya, and southern Tanzania.
  • Dry conditions (usual during this time of the year) in most parts of Sudan, northern and eastern arts of Kenya, and central and western parts of Tanzania.
Recent rainfall anomalies

  • Much wetter than usual conditions observed in southeast Sudan, northern Ethiopia, isolated parts of south-central Kenya and in isolate part in northwest Tanzania.
  • Wetter than usual conditions observed in much of southeast Sudan, parts of northern Ethiopia, southern Eritrea, most of Djibouti and Rwanda, parts of north and western Burundi, northeast South Sudan, northwest, central and southern Kenya, and in northern parts of Tanzania.
  • Usual rainfall conditions observed over several parts of South Sudan, Eritrea, central and southern Ethiopia, Somalia, Uganda, western Kenya, and most of Tanzania.
  • Moderately drier than usual conditions observed in central parts of Eritrea, north east Somalia, southwest and central Uganda, eastern and coastal Kenya, and isolated parts of central and southwest Tanzania
  • Much drier than usual conditions was not observed over the month of May 2021
Standardized Precipitation Index

  • Moderately wetter to severely wettest than usual conditions observed over parts of southeast Sudan extending to northwest Ethiopia and northeast South Sudan, several parts of Djibouti, southern parts of Eritrea, northeast, central and south-central parts of Kenya, western Rwanda, western Burundi and in isolated parts of northern Tanzania.
  • Usual rainfall conditions observed over most parts of Eritrea, Somalia, most of western, central and southern parts of South Sudan, northern Uganda, most of central and southern Ethiopia, western and southern coast of Kenya, much of central and southern Burundi, and much of the rest of Tanzania
  • Moderately drier to severely driest than usual conditions observed in several parts of Uganda, eastern Kenya, northeast and southern parts of Somalia, and in central parts of Tanzania.

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Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to extremely wet conditions

  • Observed in a few pockets in Tanzania, several parts in Kenya, South Sudan, southern Sudan, Djibouti, several pockets in Ethiopia and Somalia.

Moderately dry to severely dry conditions

  • Observed …
March 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall exceeding 200mm

  • Observed in southern parts of Tanzania, southeastern Uganda, central to western parts of Kenya, and southwestern Ethiopia.

Moderate rainfall of between 101mm and 200mm

  • Observed in Tanzania, Burundi, Rwanda, Uganda, Kenya, …
March 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Much Wetter than usual conditions

  • Observed in several parts including western and northeastern parts of Tanzania, eastern parts of Uganda, several parts of South Sudan, Kenya, Ethiopia, Djibouti, Somalia and western Eritrea.

Wetter than usual …

March 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Much Wetter than usual conditions

  • Observed in most areas in Rwanda and Uganda, in northeastern Burundi, , in eastern lowlands to western parts of Kenya, southern parts of South Sudan, in northern Tanzania, and a …
February 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall exceeding 200mm

  • Observed in southwestern parts and in pockets of central and north-eastern Tanzania, and in a few areas in the eastern parts of Burundi, and northern parts of Rwanda and western Kenya. …
February 2026 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to extremely wet conditions

  • Observed in much of Uganda, in several parts of Rwanda and eastern Burundi, in several parts of western, central and southern Kenya, in northern, central to southwestern parts of …
February 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Much Wetter than usual conditions were observed in Burundi.

Wetter than usual conditions were observed in areas in Tanzania, Burundi, Rwanda, Uganda and some spots in Ethiopia.

Drier to much drier than usual conditions were …

January 2026 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to extremely wet conditions were observed in several parts of Tanzania, Rwanda, Uganda, and Burundi.

Moderately dry to severely dry conditions were observed across a broad corridor extending from southern [e.g., Tanzania], traversing …

January 2026 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall exceeding 200mm was observed mostly in southern Tanzania.

Moderate rainfall of between 101mm and 200mm was observed in the southern parts of the region including Tanzania, Rwanda, Burundi, and Uganda. …

January 2026 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately wet to extremely wet conditions were observed in several parts of Tanzania, Rwanda, Uganda, Kenya, S. Sudan and central Ethiopia.

Moderately dry to severely dry conditions were observed in a few pockets in Tanzania, …

December 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Much Wetter than usual conditions were observed in a few pockets across the region including in Tanzania, a few parts in Kenya, Uganda, S. Sudan, and Ethiopia.

Wetter than usual conditions were observed in areas …

December 2025 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall exceeding 200mm was observed mostly in Tanzania.

Moderate rainfall of between 101mm and 200mm was observed in the southern parts of the region including Tanzania, Rwanda, Burundi, Uganda and southern parts …

December 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Much Wetter than usual conditions were observed in a few pockets in cross border regions between S. Sudan and Sudan, Ethiopia and Sudan, the coastal regions of Sudan and southern Tanzania.

Wetter …

November 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in the largest section of the region including Tanzania, Uganda, Kenya, Somalia, Ethiopia, S. Sudan, and a few areas in Eritrea …

November 2025 Read More
Recent rainfall totals
Recent rainfall totals

Rainfall exceeding 200mm was not observed anywhere in the region.

Moderate rainfall of between 101mm and 200mm was observed in the southwestern parts of the region including in western Tanzania, Rwanda, Burundi, …

November 2025 Read More