Weekly Rainfall Forecast 11 – 18 January 2022

Headline: Moderate rainfall is expected in southern Tanzania and Burundi; most areas north of the equator are expected to remain dry. Temperatures are expected to be largely warmer than average in most parts of the region.  

Total Rainfall  

• Moderate rainfall between 50 – 100 mm is expected in southern Tanzania with a few areas expected to receive up to 200mm rainfall.  
• Light rainfall of less than 30 mm is expected in central and northern Tanzania, Burundi, Rwanda, western Uganda, and a few areas along the Greater Horn of Africa’s coastal strip.  
• Dry conditions are expected in Sudan, much of South Sudan, most parts of Ethiopia, Djibouti, Somalia, Kenya, and eastern Uganda.  

Note: 1 mm of rainfall is equivalent to 1 litre of water per square meter.  

Rainfall Anomalies 

• Negative rainfall anomalies (depressed rainfall) are expected in most parts of Tanzania.  
• Positive rainfall anomalies (enhanced rainfall) are expected in isolated areas of southern Tanzania and south-western South Sudan. 

Temperature Forecast 11 – 18 January 2022
Mean Temperature

• Moderate temperatures between 20 – 32 ℃ are expected in southern Sudan, South Sudan, Uganda, Tanzania, eastern and northern Kenya; much of central and southern Somalia, Djibouti, coastal and western Eritrea, and southern and north-eastern Ethiopia. 
• Relatively cold conditions with temperatures less than 20℃ are expected over northern Sudan, parts of central Ethiopia and Eritrea, western regions of Rwanda and Burundi; central to western Kenya, northern Somalia, and a few areas in Tanzania and south-western Uganda. 

Temperature Anomalies

• Warmer than average temperatures are expected in most areas of the region except parts of eastern Kenya and central Somalia where average temperatures are forecasted.