Accra under heat: rising temperatures trigger wider climate concern
- Richard Nutakor
- 14 minutes ago
- 4 min read
Published on 13 May 2026 at 05:27 GMT
By Richard Kekeli Kwame Nutakor
On the streets of Accra, the heat is not a new story. The city has always been warm; tropical, coastal, humid. But in the past few years, something has shifted. The warmth has become a weight. Residents describe nights that no longer cool down, afternoons that overwhelm outdoor workers, and an ambient heat that the city's ageing infrastructure was never designed to absorb. New scientific data confirms what many have long felt in their bodies: Ghana is in the grip of a worsening heat crisis, and the trajectory is alarming.
The current conditions, widely described as a heat wave, have increased the demand for electricity, water, and cooling systems.
The toll of heat
The physical consequences of sustained urban heat are well documented. Research published in late 2025 on Ghana's vulnerable communities catalogued the results: heat stress, rashes, dehydration, dizziness, skin irritation, and escalating respiratory conditions. Extreme indoor temperatures, the study found, are felt most acutely by those who cannot afford electric fans and even those who can often find their fans rendered useless during the power outages that remain a feature of daily life in many Ghanaian neighbourhoods.
Climate change is intensifying these effects through multiple channels simultaneously. In 2024, air quality measurements in major Ghanaian cities found levels of particulate matter up to six times higher than World Health Organization standards a consequence of drier conditions and the widespread open burning of waste. Children and the elderly, already struggling with the heat, face a compounded assault from degraded air.
Why Accra feels worse
Although northern Ghana often records higher raw temperatures, Accra’s heat can feel more intense because of humidity, congestion, concrete development, and poor airflow. In April, Accra’s average high temperature is around 31–32°C, but the “feels like” temperature (heat index) can rise to 41°C or more when humidity is high. This is because sweat evaporates more slowly in humid air, making it harder for the body to cool itself.
Accra is also experiencing what scientists call the urban heat island effect where cities become hotter than surrounding rural areas because of:
· Dense buildings that trap heat
· Asphalt roads and rooftops absorbing sunlight
· Limited trees and green spaces
· Heavy traffic and generator emissions
· Reduced natural wind flow
The Accra Metropolitan Assembly recently stated that Accra is “heating faster than many imagine,” following studies on urban heat vulnerability.
Health risks of extreme heat
Heat waves are more than discomfort; they can become a public health concern.
Common risks include:
· Dehydration
· Heat exhaustion
· Headaches and dizziness
· Poor sleep
· Reduced concentration
· Worsening of heart and respiratory conditions
Children, the elderly, outdoor workers, pregnant women, and people with medical conditions are especially vulnerable.
The mental health dimension of prolonged heat exposure is only beginning to enter the scientific literature in earnest. A December 2025 review in a peer-reviewed health journal noted that heat's indirect effects on mental health through sleep deprivation, economic loss, and anxiety, represent a largely unmeasured public health burden across Africa. Ghana, the review found, has limited adaptive systems and significant gaps in heat emergency protocols.
Economic impact
For a country where cocoa, cassava, and maize anchor both export earnings and household food security, the agricultural stakes could hardly be higher. A joint report by the Food and Agriculture Organization (FAO) and the World Meteorological Organization (WMO), released in April 2026, found that extreme heat is already causing half a trillion work hours to be lost globally each year. In parts of sub-Saharan Africa, the number of days considered too hot to work outdoors could rise to 250 per year, effectively eliminating the working day for farmers during large portions of the calendar.
Both the March 2026 climate modelling study and earlier research identify deforestation as a compounding local driver that Ghana cannot ignore. When forests are cleared and replaced by cropland, the land heats up faster during the day and retains warmth at night, turning what might have been a tolerable hot spell into a prolonged, hazardous event. The Ghanaian government has acknowledged this feedback loop in its national climate submissions, but enforcement of forest protection has remained inconsistent.
Other effects include:
· Increased electricity use from fans and air conditioners
· Higher water consumption
· Lower productivity for outdoor laborers
· Food spoilage for traders
· Transport discomfort and traffic stress
For many low-income households, staying cool is expensive.
What can be done?
There is, at least, some evidence that public awareness is growing. The prescription that emerges consistently from the scientific literature is clear: keep forests standing, restore urban vegetation, and adopt climate-smart farming practices that integrate trees alongside crops and livestock. These measures are described not merely as environmental gestures but as public health defences or interventions that can weaken the intensity and duration of the heatwaves that are now a structural feature of Ghanaian life.
Residents are encouraged to:
· Drink more water regularly
· Avoid prolonged sun exposure between 11am and 4pm
· Wear light clothing
· Use shaded areas
· Check on elderly relatives and neighbours.
A warning for the future
The recent heat wave in Ghana is not just a seasonal inconvenience. It is a reminder that climate pressures are becoming more visible in daily life. For Accra, a fast-growing city already battling congestion and infrastructure strain, rising temperatures demand urgent planning.
If no action is taken, today’s uncomfortable heat may become tomorrow’s dangerous normal.
Sources
· Weather Atlas, Accra Weather in April
· News Ghana (2026), New Research Warns Ghana Among West Africa’s Most Exposed Nations to Dangerous Heat
· MyJoyOnline – Rising Temperatures Driving Current Heatwave — Expert https://www.myjoyonline.com/rising-temperatures-driving-current-heatwave-expert/