Climate Monitoring

11-20 October, 2025

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 southern and southeastern region of Ethiopia, central Somalia, western and northeastern South Sudan, much of Uganda, western parts of Kenya, and northwestern Tanzania.
Significant Rainfall (51–100 mm and 26–50 mm): These categories cover vast areas, forming a wide, central-to-western band and northeastern across the region, including:
- A few pockets in Somalia
- Most of southern western and eastern South Sudan.
- Large sections of Ethiopia (especially the western and southern parts).
- Western Kenya, Uganda, Rwanda, and a few pockets in Tanzania.

Moderate to Low Rainfall (Yellow and Orange)

Low Rainfall (11–25 mm and 6–10 mm): These values typically ring the high-rainfall areas and transition into the driest zones. They are concentrated over:
- All countries in the GHA region except Djibouti.

Very Low or No Rain (Light Grey and White)

Very Low Rainfall (1–5 mm): Forms a major transitional zone across central Sudan, parts of Eritrea, Ethiopia, Somalia, much of eastern Kenya, and most parts of Tanzania.
Negligible/No Rain (<1 mm or No Data): These dry conditions dominate northern Sudan, northern parts of Ethiopia, and northwestern parts of Kenya and Tanzania.

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, central Somalia and the equatorial region including parts of Uganda, and western Kenya.
Wetter than Normal (Light Green): Forms a wide band surrounding the darkest green area, covering most of countries highlighted above.

Near Normal Conditions (Light Blue)

Near Normal: Predominantly observed in large parts of western and northern parts of the region including Uganda, South Sudan, Ethiopia, Somalia, Eritrea, Kenya and Sudan.

Drier Than Normal Conditions (Yellow and Orange)

Drier than Normal (Yellow) and Much Drier than Normal (Orange): These conditions dominate the northern and southern parts of the region.
- Significant drier areas cover most of central Sudan, northwestern Eritrea, northern Ethiopia, southern Somalia, eastern Kenya, much of Tanzania, and in Burundi.
- The orange ('Much drier than normal') is evident across most of the countries highlighted.

No Rain (White)

No Rain: Indicated in the very northern and the dry parts of the region, particularly in northern parts of Sudan, northern Ethiopia, and northwestern Kenya as well as central and southern Tanzania.