Libreville
Gabon
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Libreville, Gabon

Tarmac road beside sandy beaches leading into the Libreville city in Gabon
Tarmac road beside sandy beaches leading into the Libreville city in Gabon
The first month of the winter, December, is also a moderately hot month in Libreville, Gabon, with temperature in the range of an average low of 23.4°C (74.1°F) and an average high of 29°C (84.2°F).

Temperature

In Libreville, Gabon, the average high-temperature is essentially the same as in November - a still moderately hot 29°C (84.2°F). In Libreville, Gabon, the average low-temperature is 23.4°C (74.1°F).

Humidity

The average relative humidity in December is 86%.

Rainfall

In Libreville, Gabon, during 17.6 rainfall days, 303.2mm (11.9") of precipitation is typically accumulated. Throughout the year, in Libreville, there are 177.4 rainfall days, and 2841.7mm (111.9") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Libreville is 27.8°C (82°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.

Daylight

Months with the longest days in Libreville are January through December, with an average of 12.1h of daylight. Months with the shortest days are January through December, with an average of 12.1h of daylight.

Sunshine

In December, the average sunshine in Libreville is 5.4h.

UV index

Months with the highest UV index in Libreville are January through May, August through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
In December, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in December in Libreville?

In December, in Libreville, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23.4°C (74.1°F).

What is the average humidity in December in Libreville?

The average relative humidity in December in Libreville is 86%.

How much does it rain in Libreville in December?

In December, in Libreville, the rain falls for 17.6 days. Throughout December, 303.2mm (11.9") of precipitation is accumulated.

What is the water temperature in December in Libreville?

In December, the average sea temperature in Libreville is 27.8°C (82°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.

When are the longest days in Libreville?

Months with the longest days in Libreville, Gabon, are January through December, with an average of 12.1h of daylight.

What is the month with the shortest days in Libreville?

Months with the shortest days in Libreville are January through December, with an average of 12.1h of daylight.

How many hours of daylight does Libreville have in December?

The average length of the day in December is 12.1h.

How many hours of sunshine does Libreville have in December?

In December, the average sunshine in Libreville is 5.4h.

When is the highest UV index in Libreville?

Months with the highest UV index are January through May, August through December, with an average maximum UV index of 12.

What is the UV index reading in December in Libreville?

In December, the average daily maximum UV index in Libreville is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in December - Libreville, Gabon
  • Average high temperature in December: 29°C

The warmest month (with the highest average high temperature) is March (30.2°C).
The month with the lowest average high temperature is July (26.4°C).

  • Average low temperature in December: 23.4°C

The month with the highest average low temperature is January (24.1°C).
The coldest month (with the lowest average low temperature) is August (21.8°C).

Average humidity in December - Libreville, Gabon
  • Average humidity in December: 86%

Months with the highest relative humidity are October and November (87%).
Months with the lowest relative humidity are June, July and August (81%).

Average rainfall in December - Libreville, Gabon
  • Average rainfall in December: 303.2mm

The wettest month (with the highest rainfall) is November (490mm).
The driest month (with the lowest rainfall) is July (6.6mm).

Average rainfall days in December - Libreville, Gabon
  • Average rainfall days in December: 17.6 days

The month with the highest number of rainy days is October (25 days).
The month with the lowest number of rainy days is July (1.7 days).

Average sea temperature in December - Libreville, Gabon
  • Average sea temperature in December: 27.8°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).

Average daylight in December / Average sunshine in December - Libreville, Gabon
  • Average daylight in December: 12.1h

Months with the longest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12.1h).
Months with shortest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12.1h).

  • Average sunshine in December: 5.4h

The month with most sunshine is February (Average sunshine: 6.3h).
The month with least sunshine is August (Average sunshine: 2.9h).

Average UV index in December - Libreville, Gabon
  • Average UV index in December: 12

Months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 11).