Lately, Lagos heat has not been normal. It is not even the usual “dry season is here” kind of heat. It is the kind that hits you the moment you open your door and just stays with you all day. Some days, you step outside, and it honestly feels like the sun is angry at everybody at once.

Yes, temperatures can go up to around 35°C, especially in the hotter months, and humidity can climb above 70 percent. But even that does not fully explain it anymore. The bigger issue is how the heat now sits inside the city itself. Lagos is changing, and the heat is changing with it.

The city is growing fast, with over 20 million people and still increasing. Everywhere you turn, something is being built: roads, houses, shops, estates. Very little empty space is left. The problem is all the concrete and tarred roads do not let heat go easily. So even at night, the city does not really cool down the way it should.

That is what people refer to as the urban heat island effect. Some parts of Lagos are now noticeably hotter than others, sometimes by as much as 7°C depending on how dense the area is. And anyone moving across the city can feel the difference immediately.

It does not hit everyone the same way

One thing that is very obvious but not talked about enough is that Lagos heat is not equal. Where you live matters a lot.

In many low-income or informal areas, houses are built with materials that trap heat easily. Rooms are tight, ventilation is poor, and electricity is not always reliable. So even when people want to cool down, it is not easy. In these places, heat is not something that comes and goes. It is constant.

Also Read: Nigerians urged to stay hydrated amid rising temperatures

Then there is work. Many people do not have the option of staying indoors. Traders, bus conductors, construction workers, waste pickers, they are outside all day under the sun with no real break.

Over time, the body starts feeling it. People report dizziness, headaches, dehydration, tiredness, and skin irritation. Add Lagos stress, long transport times, and daily hustle, and it builds up quickly.

Even sleep is affected. Nights are not always cool enough for proper rest, so many people wake up already drained. For children, it affects concentration. For workers, it affects energy and productivity. It all adds up quietly

Lagos needs to start treating this differently

Right now, it still feels like heat is being treated like normal weather, but available data on urban temperature rise shows it is increasingly becoming a structural issue tied to city planning and infrastructure.

Addressing it requires more than general advice. Urban climate adaptation typically involves early warning systems, improved city design, expansion of green spaces, heat-resilient building materials, and targeted support for high-risk communities.

There also needs to be coordinated monitoring of heat trends, especially in densely populated areas where surface temperatures are consistently higher. The issue is not only environmental but also tied to housing, infrastructure, and energy access.

People are already adjusting in their own way. But the evidence from other cities shows that without structured planning, rising urban heat becomes progressively harder to manage over time. At some point, Lagos will need to move from informal adaptation to deliberate, data-driven heat resilience planning.

Meiza Nigeria