December weather forecast
Libreville, Gabon

As December rolls in, Libreville sees a drop in rainfall in comparison to the exceedingly precipitous November. Although the year ends on a wet note, the amount and frequency of rainfall both exhibit a decrease. The winds slow down too, following the decreasing trend in precipitation. Sea temperature maintains its warm and inviting demeanor. Still, the humidity persists on the higher side, maintaining the city's moist and warm tropical character till the end of the year.

Temperature

In December, Libreville's weather conditions record an average high-temperature of a still moderately hot 28.6°C (83.5°F), demonstrating little divergence from the preceding month. In Libreville, the nighttime temperature shows a slight difference from the daytime high, averaging to a still moderately hot 24.5°C (76.1°F) during December.

Heat index

The heat index in December is calculated to be a tropical 34°C (93.2°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The average relative humidity in December is 83%.

Rainfall

In December, in Libreville, Gabon, the rain falls for 29.9 days. Throughout December, 163mm (6.42") of precipitation is accumulated. Throughout the year, in Libreville, there are 274.1 rainfall days, and 1477mm (58.15") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Libreville is 27.8°C (82°F).
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

December has the shortest days of the year, with an average of 12h and 6min of daylight.
On the first day of December, sunrise is at 06:08 and sunset at 18:14. On the last day of the month, sunrise is at 06:22 and sunset at 18:28 WAT.

Sunshine

In December, the average sunshine in Libreville is 8.2h.

UV index

January through May, November and December, with an average maximum UV index of 7, are months with the highest UV index in Libreville. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heads up! UV intensity is amplified by reflections from water and sand.