21-31, May 2023

Rainfall

Recent rainfall totals

Moderate to heavy rainfall of between 26 - 100 mm was observed in western South Sudan, in western, southern, central and eastern parts of Ethiopia, in parts of western Eritrea, in parts of northern Somalia, in northwestern and southeastern Uganda, western and coastal parts of Kenya, and in coastal parts of Tanzania.

Light rainfall of between 5 - 25 mm was observed in western and central parts of Eritrea, in parts of Djibouti, southern parts of Sudan, in northern and eastern South Sudan, in parts of northern, northeastern and southeastern Ethiopia, in central and southern parts of Somalia, in parts of central and northeastern Kenya, in much of Rwanda and Burundi, in northeastern, central and southwestern Uganda, and in northern and eastern parts of Tanzania.

Usual dry rainfall was observed in much of northern, central and eastern Sudan, in southern parts of Eritrea, in parts of Djibouti, in northeastern and parts of southern Somalia, in northern and eastern parts of Kenya, in southeastern South Sudan, in southwestern Uganda, and in much of western, central and southern Tanzania.

Recent rainfall anomalies

Wetter than usual conditions were observed in much of Eritrea, in several parts of Djibouti, in parts of western and eastern Sudan, in northern, southern and eastern parts of Ethiopia, and in parts of northern and central Somalia.

Drier than usual conditions were observed in southern parts of Sudan, in northern and eastern parts of South Sudan, in western and parts of eastern Ethiopia, in southern Somalia, in several parts of Uganda, in northern, central and eastern parts of Kenya, in several parts of Rwanda and Burundi, and in western and southern parts of Tanzania.

Usual rainfall conditions were in western parts of South Sudan, in parts of southern Ethiopia, in northeastern Somalia, in part of northwestern Uganda, in western, central and southern parts of Kenya, and in northern and eastern parts of Tanzania.

No rainfall conditions were observed in much of Sudan, in parts of northern and eastern Kenya, and in central and western parts of Tanzania.

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Standardized Precipitation Index
Standardized Precipitation Index

Moderately Wet to severely Wet Conditions

Only a few pockets in the region observed these conditions in the region.

Moderately Dry to Severely Dry Conditions

These conditions were observed in most countries including Tanzania, …

21 - 30 November 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter Than Normal Conditions (Green and Light Green)

  • Much Wetter than Normal (Dark Green): Concentrated heavily in Kenya, Rwanda, Burundi, and a few patches in northern Sudan.
  • Wetter than Normal (Light Green): …
21 - 30 November 2025 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (Dark Green to Light Green)

  • Highest Rainfall (201–300 mm and 101–200 mm): Rainfall amounts between 101 and 300 mm was observed Rwanda, Burundi, and central Kenya.
  • Significant Rainfall (51–100 …
21 - 30 November 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter Than Normal Conditions (Green and Light Green)

  • Much Wetter than Normal (Dark Green): Concentrated heavily over the northeastern parts of Sudan, South Sudan, parts of Eritrea, Djibouti, central to eastern parts …
11 - 20 November 2025 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (Light Green to Dark Green)

  • Highest Rainfall (101–200 mm & 201–300 mm): These values are extremely high for a 10-day period. Rainfall amounts between 101 and 300 mm was observed in southwestern …
11 - 20 November 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter Than Normal Conditions (Green and Light Green)

  • Much Wetter than Normal (Dark Green): Observed over the northeastern parts of Sudan, southwestern Uganda, Rwanda, northeastern parts of Burundi as well as eastern …
1 - 10 November 2025 Read More
Recent rainfall totals
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. Rainfall amounts between 101 and 300 mm was observed in isolated …
1 - 10 November 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately Wet to severely Wet Conditions

Observed in southern Tanzania, a few parts in Rwanda and southwestern Uganda, northeastern South Sudan and the border region between South Sudan, Sudan and Ethiopia. …

1 - 10 November 2025 Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter Than Normal Conditions (Green and Light Green)

  • Much Wetter than Normal (Dark Green): Concentrated heavily in Uganda, Kenya, northwestern Tanzania, Rwanda, Burundi, and a few patches in Ethiopia and …
21 - 31 October 2025 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately Wet to severely Wet Conditions

A large area stretching across Kenya from the coastal parts westwards into Uganda and southern South Sudan as well as several parts of Tanzania and Rwanda were characterized by …

21 - 31 October 2025 Read More
Recent rainfall totals
Recent rainfall totals

High Rainfall Accumulation (Dark Green to Light Green)

  • Highest Rainfall (201–300 mm and 101–200 mm): Rainfall amounts between 101 and 300 mm was observed in eastern Uganda, central Kenya, and northwester Tanzania. …
21 - 31 October 2025 Read More
Recent rainfall totals
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. Rainfall amounts between 101 and 300 mm was observed in western …
11 - 20 October 2025 Read More
Recent rainfall anomalies
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, Ethiopia, …
11 - 20 October 2025 Read More
Recent rainfall anomalies
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, Ethiopia, …
1 - 10 October 2025 Read More
Recent rainfall totals
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. Rainfall amounts between 101 and 300 mm was observed in isolated …
1 - 10 October 2025 Read More