21 - 28 May 2025
Rainfall
Temperature
Rainfall anomalies
- More than usual rainfall expected over most parts of Rwanda, Burundi, South Sudan, western Ethiopia and parts of southern Sudan.
- Less than usual rainfall expected over most parts of Uganda, Somalia, south-eastern Ethiopia and western and eastern Kenya.
Temperature anomalies
- Warmer than usual temperatures expected over most parts of the GHA, with parts of northern and eastern Sudan, north-eastern Ethiopia, and most parts of Djibouti, and Eritrea recording anomalies greater than 2.5 Degrees Celsius.
- Rainfall exceeding the 90th percentile (the highest 10% on record)over a few areas in western Ethiopia, and isolated areas in eastern and western South Sudan.
Mean temperatures
- High temperatures (> 32℃) expected in most parts of Sudan, western Eritrea, north-eastern Ethiopia and Djibouti.
- Moderate to high temperatures (20-32℃) expected over most parts South Sudan, Uganda, northern and eastern Kenya, Somalia, central Eritrea, and eastern Ethiopia.
- Mild temperature conditions (less than 20℃) expected over Rwanda, Burundi, parts of central and south-western Tanzania, central to western Kenya, south-western Uganda and the Ethiopian highlands.
Heat Stress
- Elevated heat stress levels expected in most parts of South Sudan, Sudan, Eritrea, Djibouti, Somalia, Afar region in Ethiopia, and eastern Kenya.
Total rainfall
- Heavy rainfall (greater than 200mm) expected over parts of western Ethiopia.
- Moderate rainfall (50-200mm) expected in most parts of South Sudan, western Ethiopia, central and western Kenya, parts of southern Sudan and northern Uganda.
- Light rainfall (less than 50 mm) expected over most parts of Uganda, eastern and northern Tanzania, Rwanda, Burundi, central to western Kenya, southern Sudan and central to southern Somalia.
