21-31, May 2021

Rainfall

Recent rainfall totals

  • Moderate to heavy rainfall (between 100 - 200 mm) was not recorded in the third dekad of May 2021.
  • Moderate rainfall (between 50 - 100 mm) observed in southwest parts of South Sudan, southwestern part of Ethiopia in isolated part of northwest Uganda, and in central coast of Tanzania.
  • Light rainfall (between 25 - 50 mm) observed in western and central parts of South Sudan, western parts of Ethiopia, northern Uganda, western and central highlands of Kenya, and in coastal parts of Tanzania.
  • Rainfall range (between 5 - 25 mm) observed over southern parts of Sudan, northern and eastern South Sudan, northwest, central, and southern Ethiopia, southeastern Somalia and isolated parts of northwest Somalia, southern Uganda, coastal and several parts of central and western Kenya, Burundi, western and southern Rwanda, and in northern and eastern parts of Tanzania.
  • Usual dry (usually dry in this time of season) observed in almost all of Sudan, Djibouti, most parts of Eritrea, northeast and eastern parts of Ethiopia, several parts of north and eastern Kenya, southwest Uganda, northeast Rwanda, over much of central and northern Somalia, and over much of western and central Tanzania.
Recent rainfall anomalies

  • Much wetter than usual conditions was not observed in any part of the region.
  • Wetter than usual conditions observed southeast part of Tanzania and a few patchy parts of central South Sudan.
  • Usual rainfall conditions observed over southwest and central South Sudan, northwestern Uganda, isolated parts of southwest Kenya, and northcentral central and southeast Tanzania.
  • Moderately drier than usual conditions observed in western Eritrea, southern parts of Sudan, most parts of Ethiopia and Somalia, northern and eastern South Sudan, much of southern, central and eastern Uganda, much of Kenya and Burundi, western and southern Rwanda, and in northeast and northwest Tanzania.
  • Much drier than usual conditions observed over northwest, and in isolated parts of eastern Ethiopia, isolated parts of northwest and central Somalia, southwest and southeast Uganda, and northeast Rwanda.
Standardized Precipitation Index

  • Moderately wetter to severely wettest than usual conditions observed in isolated parts southeast Tanzania.
  • Usual rainfall conditions observed over most parts of north and central Sudan, western central and southern South Sudan, Eritrea, Djibouti, south and northeast Ethiopia, northern Uganda, north, central, east and southern Kenya, central and southwestern Somalia, central and southern Burundi, and north central and southern parts of Tanzania.
  • Moderately drier to severely driest than usual conditions observed over southern parts of Sudan, northern South Sudan, western, central and eastern Ethiopia, northern and southeast Somali, southern and central Uganda, western and coastal Parts of Kenya, Rwanda, northern Burundi, western and northeastern Tanzania.

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Showing 537 results
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation Highest Rainfall (>100mm)

  • These amounts were recorded in the northern coast of Tanzania, and the Lake Victoria region of Kenya and Uganda, and southern Ethiopia.

Moderate to high Rainfall of between (26-100mm) …

1 - 10 May 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 along the coastal parts of Tanzania, western parts of Uganda, western and coastal parts of Kenya, much of …
1 - 10 May 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 Tanzania, Rwanda, Burundi, Uganda, Kenya, southern Somalia, southern and southeastern parts of Ethiopia, southern South Sudan, western …
21 - 30 April 2026 Read More
Recent rainfall totals
Recent rainfall totals

Very High Rainfall Accumulation (201-300)

  • Rainfall amounts between 201-300 mm were recorded in a few pockets in Kenya, including southern parts and the border region with Tanzania.

High Rainfall Accumulation Highest Rainfall (101–200mm)

  • Rainfall amounts …
21 - 30 April 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (101-300mm)

  • High Rainfall (101-200mm): These amounts were recorded in a few pockets in southern Tanzania, and border regions of Kenya and Somalia.

Moderate to high Rainfall (26-100mm)

  • These were observed over most …
11 - 20 April 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 eastern and northwestern parts of Tanzania, southern parts of Uganda, eastern parts of Kenya, southern, central …
11 - 20 April 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 much of southern Tanzania, southern Burundi, southern parts of Uganda, western and northern parts of Kenya, Somalia, …
1 - 10 April 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation Highest Rainfall (>100mm)

  • These amounts were recorded in the southern parts of Tanzania including the southeastern coast.

Moderate to high Rainfall of between (26-100mm)

  • These were observed southeastern and western parts of …
1 - 10 April 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (101-300mm)

  • Highest Rainfall (201-300mm): These amounts were recorded mostly in the southern parts of Ethiopia and a few areas in northern Kenya.
  • High Rainfall (101-200mm): These amounts were recorded in southern and …
21 - 31 March 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 much of Tanzania, Burundi, Rwanda, southeastern and northern parts of Uganda, several parts of Kenya, southeastern parts …
21 - 31 March 2026 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than Normal to much wetter than normal rainfall Conditions

  • Much wetter than Normal: This category was observed in much of Tanzania, southern and eastern parts of Uganda, several parts of Kenya, southeastern part of …
11 - 20 March 2026 Read More
Recent rainfall totals
Recent rainfall totals

  • Very High rainfall (>200mm) amounts were recorded in a few areas in the southwestern and coastal parts of Tanzania.
  • High Rainfall (101-200mm) amounts were recorded in southern and a few hotspots in northern Tanzania, as …
11 - 20 March 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation Highest Rainfall (101–200mm)

  • These amounts were recorded in southwestern Ethiopia, southwestern parts of Kenya, and a few parts in Tanzania.

Moderate to high Rainfall of between (26-100mm)

  • These were observed southwestern Ethiopia, …
1 - 10 March 2026 Read More
Recent rainfall totals
Recent rainfall totals

Wetter than Normal to much wetter than normal Conditions

  • Much wetter than Normal: This category was observed in much of Tanzania, Rwanda, Burundi, Kenya, southern tip of Somalia, southern Ethiopia and coastal areas in Djibouti. …
1 - 10 March 2026 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation Highest Rainfall (101–200mm)

  • Rainfall amounts between 101 and 200 mm were recorded in some parts of central Kenya and some areas across the north-south transect in the Rift Valley region of Tanzania. …
21 - 28 February 2026 Read More