March weather forecast
Libreville, Gabon

Weather in March continues the trend of rising precipitation seen in the early months of the year. Despite the overall increase in rainfall, it is not accompanied by a significant drop in sunshine hours, attesting to Libreville's tropical climate. In comparison to February, clients are more numerous and daylight hours remain constant. This month features the commencement of higher maximum wind speeds. Sea temperatures march upward in concert with the terrestrial thermometer.

Temperature

March is the month that records the highest temperatures, with averages ranging from a high of 30.1°C (86.2°F) to a low of 25.3°C (77.5°F).

Heat index

For most parts of March, the heat index is calculated to be a very hot 38°C (100.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

January through March and August, with an average relative humidity of 81%, are the least humid months.

Rainfall

In Libreville, in March, during 29.3 rainfall days, 154mm (6.06") of precipitation is typically accumulated. In Libreville, during the entire year, the rain falls for 274.1 days and collects up to 1477mm (58.15") of precipitation.

Sea temperature

The month with the warmest seawater is March, with an average sea temperature of 29.3°C (84.7°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

The average length of the day in March is 12h and 7min.
On the first day of March, sunrise is at 06:31 and sunset at 18:37. On the last day of the month, sunrise is at 06:22 and sunset at 18:29 WAT.

Sunshine

In March, the average sunshine in Libreville is 8.1h.

UV index

The months with the highest UV index are January through May, November and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 7 during March translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Beware! Reflections from sand and water can intensify the Sun's UV radiation.