Climate Monitoring

Observed Climate for 21-31 October, 2025

Rainfall

Recent rainfall totals

Recent rainfall anomalies

Standardized Precipitation Index

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.
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 Ethiopia
- Most of southern South Sudan.
- Large sections of Uganda.
- Western and central Kenya, Rwanda, and 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:
- Most 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, 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 central Tanzania.

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 moderately to severely wet conditions.

Moderately Dry to Severely Dry Conditions

Countries with pronounced rainfall deficit included a few pockets in the border region between Ethiopia, Sudan and South Sudan, southeastern Ethiopia, Somalia, northeastern parts of Kenya, Burundi and a few pockets in Tanzania.

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 Somalia.
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 central Uganda, South Sudan, Ethiopia, Somalia, Kenya and Tanzania.

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 Tanzania.