Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December sees the average high-temperature at a still warm 27.7°C (81.9°F), showing little difference from November's 27.2°C (81°F). December's average low-temperature in Port-Gentil, Gabon, is a still moderately hot 26.1°C (79°F), reflecting a minor difference from the day's peak temperatures.Heat index
In December, the heat index is computed to be a hot 31°C (87.8°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Heat index values are typically calculated for conditions of shade and a light breeze. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 28.7 days. Throughout December, 207mm (8.15") of precipitation is accumulated. In Port-Gentil, during the entire year, the rain falls for 251.9 days and collects up to 1462mm (57.56") of precipitation.Sea temperature
In Port-Gentil, Gabon, the average seawater temperature in December is 27.4°C (81.3°F).Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.
Daylight
The month with the longest days is December, with an average of 12h and 12min of daylight.On the first day of the month, sunrise is at 06:09 and sunset at 18:19. On the last day of December, in Port-Gentil, sunrise is at 06:23 and sunset at 18:33 WAT.
Sunshine
The average sunshine in December is 8.3h.UV index
The months with the highest UV index in Port-Gentil 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 health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 7 translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! The reflection of water and sand augments UV radiation intensity.
Frequently asked questions
What are December temperatures in Port-Gentil?
What is the average humidity in December in Port-Gentil?
How many days does it rain in December in Port-Gentil?
What is the water temperature in December in Port-Gentil?
When are the longest days in Port-Gentil?
How many hours of daylight does Port-Gentil have in December?
When are sunrise and sunset in December in Port-Gentil?
How long on average sun shines in December in Port-Gentil?
What are the months with the highest UV index in Port-Gentil?
What is the UV index reading in December in Port-Gentil?
Average temperature in December
Port-Gentil, Gabon
- Average high temperature in December: 27.7°C
The warmest month (with the highest average high temperature) is March (29°C).
The month with the lowest average high temperature is July (24.4°C).
- Average low temperature in December: 26.1°C
The month with the highest average low temperature is February (26.9°C).
The coldest month (with the lowest average low temperature) is July (22.1°C).
Average pressure in December
Port-Gentil, Gabon
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1009.9mbar).
Average wind speed in December
Port-Gentil, Gabon
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is September (18.2km/h).
The calmest month (with the lowest average wind speed) is January (12km/h).
Average humidity in December
Port-Gentil, Gabon
- Average humidity in December: 81%
The months with the highest relative humidity are June, July, August, September and October (84%).
The months with the lowest relative humidity are January, February and March (79%).
Average rainfall in December
Port-Gentil, Gabon
- Average rainfall in December: 207mm
The wettest month (with the highest rainfall) is November (277mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Port-Gentil, Gabon
- Average rainfall days in December: 28.7 days
The month with the highest number of rainy days is December (28.7 days).
The month with the least rainy days is July (7.7 days).
Average sea temperature in December
Port-Gentil, Gabon
- Average sea temperature in December: 27.4°C
The best month for swimming (with the highest average sea temperature) is March (29.2°C).
The coldest month (with the lowest average sea temperature) is July (23.1°C).
Average daylight in December /
Average sunshine in December
Port-Gentil, Gabon
- Average daylight in December: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in December: 8h and 2min
The months with the most sunshine are January and February (Average sunshine: 8h and 42min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).
Average sunshine days in December
Port-Gentil, Gabon
- Average sunshine days in December: 1.2 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is December (1.2 days).
Average UV index in December
Port-Gentil, Gabon
- Average UV index in December: 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).
Average cloud cover in December
Port-Gentil, Gabon
- Average cloud cover in December: 43
The months with the most cloud cover are August and September (Cloud cover 63).
The months with the least cloud cover are January and February (Cloud cover 38).
Average visibility in December
Port-Gentil, Gabon
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
Port-Gentil, Gabon
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