23-30 December 2025

Rainfall

Temperature

Rainfall forecast (anomalies)

Rainfall anomalies

  • More than usual rainfall expected most parts of Rwanda and Burundi, and a few places in southern Tanzania.  
  • Less than usual rainfall expected most over parts of Tanzania and coastal regions of Kenya. 
Temperature forecast (Anomalies)

Temperature anomalies

  • Warmer than usual temperatures expected over most parts of the GHA.
Heavy rainfall
  • Rainfall exceeding the 90th percentile expected over isolated areas in southern Tanzania. 
Temperature forecast

Mean temperatures

  • Moderate to high temperatures (20-32℃) expected over most parts of the GHA.  
  • Mild temperature conditions (less than 20℃) expected over western regions of Rwanda and Burundi, central to western Kenya, parts of northern Somalia, north-western Sudan and most parts of central to northern Ethiopia.  
Heat Stress

Heat Stress

  • Dangerous heat stress expected in parts of eastern Tanzania and with elevated levels in most parts of South Sudan, eastern Kenya, and southern Somalia. 
Rainfall forecast

Total rainfall

  • Moderate rainfall (50-200mm) expected over central to southern Tanzania, Rwanda, and Burundi. 
  • Light rainfall (less than 50 mm) expected over northern Tanzania, south-western parts of Uganda, south-western Kenya, south-western Ethiopia, southern South Sudan and coastal areas of northern Somalia.