A strong El Niño event, described as a Super El Niño, is developing in 2026 and is expected to have significant effects on Nigeria's weather, health, and agriculture. El Niño is a natural climate phenomenon that occurs when sea-surface temperatures in the central and eastern tropical Pacific Ocean become warmer than average. This warming influences atmospheric circulation and can disrupt normal weather patterns, affecting temperatures and rainfall in different parts of the world.
The 2026 Super El Niño event has been reported to be exceptionally strong, with significant warming across the tropical Pacific. Forecasts indicate that the event could remain very strong into early 2027. However, El Niño is not the only factor responsible for rising temperatures. Human-induced climate change is increasing the background temperature of the planet, while local weather conditions, urbanisation, and other environmental factors also influence how hot communities become.
For Nigeria, understanding the possible effects of the Super El Niño is crucial because changes in temperature and rainfall can influence public health, agriculture, water availability, and livelihoods. The potential effects extend beyond uncomfortable weather, including higher temperatures and heat exposure, changes in rainfall patterns, and impacts on agriculture and food production. Nigeria's exposure to heat and changing rainfall patterns makes the development worth monitoring.
The effects of the Super El Niño on Nigeria will not be uniform, with some regions experiencing hotter and drier conditions, while others may receive unusually heavy rainfall. The outcome depends on geographical location, seasonal conditions, and other climate influences. A strong El Niño can increase the likelihood of unusual weather patterns, but it does not guarantee a particular outcome in every country.
The potential human cost of extreme heat is significant, with research by the University of Chicago's Climate Impact Lab estimating that the Super El Niño could contribute to as many as 451,000 additional heat-related deaths globally between June 2026 and February 2027. In Nigeria, approximately 56,000 additional heat-related deaths are projected over the six-month forecast period. These figures highlight the importance of heat preparedness, public health communication, access to cooling, and protection for people whose work exposes them to high temperatures.
To protect themselves during extreme heat, individuals can take practical measures such as staying hydrated by drinking water regularly throughout the day, especially when working outdoors or engaging in physical activity. Choosing suitable foods, such as fruits and vegetables with high water content, can also contribute to hydration. Access to clean drinking water, adequate ventilation, shaded spaces, and timely medical attention can make an important difference in reducing the risks associated with extreme heat.
The Nigerian government and relevant stakeholders must take proactive measures to mitigate the effects of the Super El Niño, including developing and implementing heat preparedness plans, providing public health education, and ensuring access to cooling and protective equipment for vulnerable populations. By taking these steps, Nigeria can reduce the risks associated with the Super El Niño and protect the health and livelihoods of its citizens.
Key points
- The 2026 Super El Niño event is expected to have significant effects on Nigeria's weather, health, and agriculture.
- The event could contribute to as many as 56,000 additional heat-related deaths in Nigeria between September 2026 and February 2027.
- Practical measures such as staying hydrated and choosing suitable foods can help individuals protect themselves during extreme heat.
