April weather forecast
Port Harcourt, Nigeria

April marks the pinnacle of the tropical climate in Port Harcourt with temperature hovering near a high of 31.2°C (88.2°F). Furthermore, the month sees an increased trend in overall rainfall, with approximately 149mm (5.87") anticipated. Concurrently, a decline in sunshine hours per day becomes evident. These factors together contribute to heightened humidity levels. Consequently, the overall atmosphere leans towards the typical tropical warmth and moistness that the city is known for.

Temperature

The advent of April in Port Harcourt signifies a minor shift to an average high-temperature of a still hot 31.2°C (88.2°F), aligning closely with March. Port Harcourt's nighttime temperature in April drops to an average of 24°C (75.2°F).

Heat index

The average heat index in April is estimated at a blistering 42°C (107.6°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The average relative humidity in April in Port Harcourt is 80%.

Rainfall

In Port Harcourt, in April, it is raining for 26.3 days, with typically 149mm (5.87") of accumulated precipitation. In Port Harcourt, Nigeria, during the entire year, the rain falls for 310.7 days and collects up to 2138mm (84.17") of precipitation.

Sea temperature

The month with the warmest seawater is April, with an average sea temperature of 28.9°C (84°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are excellent for swimming, diving, and other water activities, providing comfort and enjoyment for extended periods without discomfort.

Daylight

The average length of the day in April in Port Harcourt, Nigeria, is 12h and 14min.
On the first day of April in Port Harcourt, Nigeria, sunrise is at 06:30 and sunset at 18:40. On the last day of the month, sunrise is at 06:20 and sunset at 18:37 WAT.

Sunshine

In April, the average sunshine in Port Harcourt is 8.1h.

UV index

The months with the highest UV index are January, February, April, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In April, a daily maximum UV index of 7 leads to the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! UV radiation becomes sharper due to reflections from sand and water.