December weather forecastBioko, Congo
December
Weather in December
December, the first month of the summer in Bioko, is still a warm month, with an average temperature ranging between min 24.8°C (76.6°F) and max 28.5°C (83.3°F).Temperature
The average high-temperature, a still moderately hot 28.5°C (83.3°F) in December, matches the temperature recorded in November. Bioko maintains a minor drop in temperature during December nights, with averages of 24.8°C (76.6°F).Heat index
December's heat index is estimated at a tropical 34°C (93.2°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the highest humidity in Bioko are May through December, with an average relative humidity of 83%.Rainfall
The month with the most rainfall in Bioko is December, when the rain falls for 25.8 days and typically aggregates up to 159mm (6.26") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 24min of daylight.On the first day of the month, sunrise is at 05:51 and sunset at 18:12. On the last day of December, sunrise is at 06:05 and sunset at 18:26 WAT.
Sunshine
The months with the most sunshine are April, May and December, with an average of 8.2h of sunshine.UV index
January through April, October through December, with an average maximum UV index of 7, are months with the highest UV index in Bioko. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 7 in December suggests the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bioko, Congo
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is March (30.2°C).
The month with the lowest average high temperature is August (24.7°C).
- Average low temperature in December: 24.8°C
The month with the highest average low temperature is March (26°C).
The coldest month (with the lowest average low temperature) is July (20.8°C).
Average pressure in December
Bioko, Congo
- Average pressure in December: 1010.7mbar
The month with the highest atmospheric pressure is July (1014.5mbar).
The month with the lowest atmospheric pressure is February (1009.9mbar).
Average wind speed in December
Bioko, Congo
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is October (11.4km/h).
The calmest month (with the lowest average wind speed) is January (8.7km/h).
Average humidity in December
Bioko, Congo
- Average humidity in December: 83%
The months with the highest relative humidity are May, June, July, August, September, October, November and December (83%).
The month with the lowest relative humidity is March (80%).
Average rainfall in December
Bioko, Congo
- Average rainfall in December: 159mm
The wettest month (with the highest rainfall) is December (159mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Bioko, Congo
- Average rainfall days in December: 25.8 days
The month with the highest number of rainy days is December (25.8 days).
The month with the least rainy days is June (5.1 days).
Average daylight in December /
Average sunshine in December
Bioko, Congo
- Average daylight in December: 12h and 24min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in December: 8h and 12min
The months with the most sunshine are April, May and December (Average sunshine: 8h and 12min).
The month with the least sunshine is September (Average sunshine: 5h and 48min).
Average sunshine days in December
Bioko, Congo
- Average sunshine days in December: 2.9 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is November (2.6 days).
Average UV index in December
Bioko, Congo
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in December
Bioko, Congo
- Average cloud cover in December: 52
The month with the most cloud cover is October (Cloud cover 66).
The month with the least cloud cover is May (Cloud cover 40).
Average visibility in December
Bioko, Congo
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





