Observed climate conditions for May to July (MJJ) 2026

Rainfall

Recent rainfall totals

Moderate to high rainfall amounts (>500mm)

  • Observed in the western parts of Ethiopia and western parts of South Sudan.

Moderate rainfall amounts (201-500mm)

  • Observed along the coastal parts of Tanzania and Kenya, western parts of Kenya, eastern to northern parts of Uganda, several parts of South Sudan, southern parts of Sudan and Ethiopia.

Light rainfall between (11-200mm)

  • Observed in Tanzania, Burundi, Rwanda, Uganda, Kenya, Somalia, Ethiopia, South Sudan, Djibouti, Eritrea and Sudan.

No rainfall or less than 10mm

Observed mostly in the northern parts Sudan.

Standardized Precipitation Index

Moderately dry to severely dry conditions

  • These conditions prevailed across much of the region, including parts of Tanzania, Burundi, Rwanda, Uganda, Kenya, Ethiopia, Somalia, Djibouti, Eritrea, and Sudan.

Moderate wet to extremely wet rainfall conditions

  • These conditions were observed in localized areas of Tanzania, southeastern Kenya, Somalia, and Sudan.

Usual rainfall conditions were observed in the rest of the region.

Recent rainfall anomalies

Drier than and much drier than usual conditions

  • These conditions prevailed across most parts of the region, affecting all countries in Greater Horn Africa.

Wetter and much wetter than usual conditions

  • These conditions were confined to localized areas, including southern Tanzania, parts of Somalia, and isolated pockets in northern Sudan.

Usual rainfall conditions were observed in much of the rest of the region.

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Recent rainfall totals
Recent rainfall totals

Moderate rainfall between 500 - 1000 mm was observed over western and northwestern Ethiopia, and in northwestern South Sudan.

Light rainfall between 200 - 500 mm was observed over southern parts of Sudan, in much …

MJJ - 2022 Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wet rainfall conditions were observed in parts of western, central and eastern Sudan, in part of northwest South Sudan, in western Eritrea, and in parts of northern and western of Ethiopia.

Usual …

MJJ - 2022 Read More
Recent rainfall anomalies
Recent rainfall anomalies
  • Wetter to much wetter than usual conditions were observed in isolated parts in central Sudan, north-eastern and eastern parts of the Somali region of Ethiopia, southern parts of Kenya, eastern Rwanda and Burundi, and northern …
MJJ - 2021 Read More
Recent rainfall totals
Recent rainfall totals

Moderate to high rainfall amounts of exceeding 500mm was not observed in during this period.

Moderate rainfall amounts of between 201-500mm were observed in southeastern parts of Tanzania and Burundi.

Light rainfall between 11 - …

NDJ - (2025 - 2026) Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than and much drier than usual conditions dominated the region during this period.

Usual rainfall conditions were observed in much of the rest of the region.

NDJ - (2025 - 2026) Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to severely dry conditions were observed in the major parts of the region including S. Sudan, southeastern Ethiopia, Somalia, Kenya, Uganda and Tanzania.

Moderate wet to severely wet rainfall conditions were observed in …

NDJ - (2025 - 2026) Read More
Recent rainfall totals
Recent rainfall totals

Moderate to high rainfall amounts of exceeding 500mm was observed in a western, southwestern and northeastern parts of Tanzania.

Moderate rainfall amounts of between 201-500mm were observed in much of Rwanda and Tanzania, and in …

NDJ - (2024 - 2025) Read More
Recent rainfall anomalies
Recent rainfall anomalies

Drier than usual and much drier than usual conditions were observed in western and southern parts of South Sudan in several parts of Djibouti and Ethiopia, in Somalia, in northern and central Uganda, in much …

NDJ - (2024 - 2025) Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderately dry to extremely dry conditions were observed in several parts of the region including Eritrea, Djibouti, Ethiopia, western and southern South Sudan, Uganda, Kenya, western and southern Tanzania, and parts of Rwanda and Burundi. …

NDJ - (2024 - 2025) Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter than and much wetter than usual conditions were observed in much of Somalia, in several parts of western Uganda, in western and coastal parts of Kenya, in central and southwestern parts of Ethiopia.

Drier …

NDJ - (2023 - 2024) Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to extremely wet rainfall conditions were observed several parts of Tanzania, in eastern parts of Uganda, in western and northern coast of Kenya, in southern Burundi, and in parts of southwestern and central Ethiopia. …

NDJ - (2023 - 2024) Read More
Recent rainfall totals
Recent rainfall totals

High rainfall amounts exceeding 1000mm was observed in the southern parts of Tanzania.

Rainfall amounts of between 500-1000mm were observed in several parts of Tanzania, in southern Burundi and in part of western Kenya.

Moderate …

NDJ - (2023 - 2024) Read More
Recent rainfall totals
Recent rainfall totals

Moderate to heavy rainfall (500 - 1000 mm) was observed over parts of southern Burundi, western Kenya, and in much of western Tanzania.

Moderate rainfall (200 - 500 mm) was observed in western, south-western …

NDJ - (2022 - 2023) Read More
Recent rainfall anomalies
Recent rainfall anomalies

Wetter and much wetter than usual conditions were observed in a few places of the southern parts of South Sudan, north-central and western parts of Uganda, parts of western Kenya, and in western parts of …

NDJ - (2022 - 2023) Read More
Standardized Precipitation Index
Standardized Precipitation Index

Moderate to severely wetter than usual rainfall conditions were observed in southern parts of South Sudan, north-central and western parts of Uganda, parts of western Kenya, and western and north-western parts of Tanzania.

Moderately drier …

NDJ - (2022 - 2023) Read More