April weather forecast
Libreville, Gabon

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Tarmac road beside sandy beaches leading into the Libreville city in Gabon
Tarmac road beside sandy beaches leading into the Libreville city in Gabon

Weather in April

In April, Libreville's climatic temperament witnesses moderate rainfall with a high of 173mm (6.81"). Compared to March, the number of rainy days decreases, but the volume of rainfall observes an increase. Concurrently, maximum wind speed registers a slight decrease. Disguised by warm and humid weather, the high-pressure system prevails throughout the month. The warmth of the ocean continues to extend an inviting call to visitors, with temperatures promoting a calming dip amidst the tropical heat.

Temperature

April's onset sees an average high-temperature of a warm 29.8°C (85.6°F), exhibiting a slight fluctuation from the previous month. April's average low temperature is 25°C (77°F), displaying a subtle drop from its daily peak.

Heat index

In April, the average heat index is calculated to be a very hot 38°C (100.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In Libreville, Gabon, the average relative humidity in April is 82%.

Rainfall

In Libreville, in April, it is raining for 27.3 days, with typically 173mm (6.81") of accumulated precipitation. In Libreville, during the entire year, the rain falls for 274.1 days and collects up to 1477mm (58.15") of precipitation.

Sea temperature

In Libreville, the average seawater temperature in April is 28.9°C (84°F).
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

In Libreville, Gabon, the average length of the day in April is 12h and 8min.
On the first day of April, sunrise is at 06:22 and sunset at 18:29. On the last day of the month, sunrise is at 06:15 and sunset at 18:23 WAT.

Sunshine

In Libreville, Gabon, the average sunshine in April is 7.9h.

UV index

The months with the highest UV index in Libreville are January through May, November and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 7 during April, leads to the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
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Frequently asked questions

How hot does it get in Libreville in April?

In April, in Libreville, the average high-temperature is 29.8°C (85.6°F), and the average low-temperature is 25°C (77°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in April is calculated to be 38°C (100.4°F).

What is the average humidity in April in Libreville?

The average relative humidity in April in Libreville is 82%.

How much does it rain in Libreville in April?

In Libreville, in April, it is raining for 27.3 days, with typically 173mm (6.81") of accumulated precipitation.

What is the water temperature in April in Libreville?

In April, the average sea temperature is 28.9°C (84°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in April in Libreville?

The average day length in April in Libreville, Gabon, is 12h and 8min.

What time are sunrise and sunset in April in Libreville?

On the first day of April, sunrise is at 06:22 and sunset at 18:29. On the last day of the month, sunrise is at 06:15 and sunset at 18:23 WAT.

How long on average sun shines in April in Libreville?

In April, the average sunshine duration in Libreville is 7.9h.

When is the highest UV index in Libreville?

The months with the highest UV index are January through May, November and December, with an average maximum UV index of 7.

How high is the UV index in April in Libreville?

In April, the average daily maximum UV index in Libreville, Gabon, is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in April
Libreville, Gabon

Average temperature in April - Libreville, Gabon
  • Average high temperature in April: 29.8°C

The warmest month (with the highest average high temperature) is March (30.1°C).
The month with the lowest average high temperature is July (26.5°C).

  • Average low temperature in April: 25°C

The month with the highest average low temperature is March (25.3°C).
The coldest month (with the lowest average low temperature) is July (22.5°C).

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Average pressure in April
Libreville, Gabon

Average pressure in April - Libreville, Gabon
  • Average pressure in April: 1010.1mbar

The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are February and March (1010mbar).

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Average wind speed in April
Libreville, Gabon

Average wind speed in April - Libreville, Gabon
  • Average wind speed in April: 8.2km/h

The windiest month (with the highest average wind speed) is August (13.4km/h).
The calmest month (with the lowest average wind speed) is April (8.2km/h).

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Average humidity in April
Libreville, Gabon

Average humidity in April - Libreville, Gabon
  • Average humidity in April: 82%

The month with the highest relative humidity is November (86%).
The months with the lowest relative humidity are January, February, March and August (81%).

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Average rainfall in April
Libreville, Gabon

Average rainfall in April - Libreville, Gabon
  • Average rainfall in April: 173mm

The wettest month (with the highest rainfall) is November (226mm).
The driest month (with the least rainfall) is July (9mm).

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Average rainfall days in April
Libreville, Gabon

Average rainfall days in April - Libreville, Gabon
  • Average rainfall days in April: 27.3 days

The month with the highest number of rainy days is January (30 days).
The month with the least rainy days is July (8.3 days).

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Average sea temperature in April
Libreville, Gabon

Average sea temperature in April - Libreville, Gabon
  • Average sea temperature in April: 28.9°C

The best month for swimming (with the highest average sea temperature) is March (29.3°C).
The coldest month (with the lowest average sea temperature) is July (24.7°C).

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Average daylight in April /
Average sunshine in April
Libreville, Gabon

Average daylight in April / Average sunshine in April - Libreville, Gabon
  • Average daylight in April: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is December (Average daylight: 12h and 6min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is September (Average sunshine: 5h and 6min).

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Average sunshine days in April
Libreville, Gabon

Average sunshine days in April - Libreville, Gabon
  • Average sunshine days in April: 1.7 days

The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is January (0.6 days).

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Average UV index in April
Libreville, Gabon

Average UV index in April - Libreville, Gabon
  • Average UV index in April: 7

The months with the highest UV index are January, February, March, April, May, November and December (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 6).

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Average cloud cover in April
Libreville, Gabon

Average cloud cover in April - Libreville, Gabon
  • Average cloud cover in April: 47

The month with the most cloud cover is September (Cloud cover 74).
The month with the least cloud cover is February (Cloud cover 42).

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Average visibility in April
Libreville, Gabon

Average visibility in April - Libreville, Gabon
  • Average visibility in April: 9km

The months with the highest visibility are January, February, March, June, July, August and September (10km).
The months with the lowest visibility are April, May, October, November and December (9km).

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Libreville, Gabon

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