Flooding in Lagos: when it happens and how to stay safe
Lagos is one of the most flood-prone cities in Africa. It is low-lying and coastal, it is growing fast, and heavy tropical downpours can overwhelm its drains within an hour.
Conditions right now
The high-risk months
The rainy season in Lagos runs from about March to October. June and July are usually the wettest months and bring the worst flooding. Rainfall often eases in August, a lull known as the August break, before a second rainy spell in September and October. The heaviest single downpours come from organised thunderstorms that sweep in from the east, often overnight or early in the morning.
Why the water rises so fast
Much of Lagos sits only a few metres above sea level, and parts of Victoria Island, Lekki and the mainland were built on reclaimed wetland. When heavy rain coincides with high water in the lagoon and the sea, drains cannot empty. Paved surfaces send rainwater straight into channels that are often blocked with waste. Low-lying roads and estates can flood within an hour and stay under water for a day or more.
Frequently asked questions
Which months does Lagos flood the most?
June and July carry the highest risk, followed by September and October.
Is it safe to drive through flooded roads?
No. Moving water 60 centimetres deep can float a car, and open drains are hidden under the water. Turn around and wait for the water to drop.
How can I know if heavy rain is coming?
Check the seven-day forecast for a high rain chance with large rainfall totals, and follow the warnings of the Lagos State Emergency Management Agency and NiMet.