December weather forecastBétou, Congo
December
Weather in December
December signals the peak of the dry season in Bétou, Congo. The weather is relatively cooler and much drier than previous months with just 13mm (0.51") of rainfall seen in the entire month. The city enjoys increased sunshine hours with a decreased cloud cover, illuminating the city in golden hues. Despite the hot daytime temperatures, the evenings remain pleasant with the gentle breeze. The end of the year sees the city bustling with vibrant local culture, festivities, and unbeatable holiday vibes.Temperature
The shift into December uncovers an average high-temperature of a still hot 33.9°C (93°F), subtly different from the previous month. Bétou registers a marked temperature plunge to a pleasant 21.2°C (70.2°F) during the cool December nights.Heat index
Throughout December, the heat index is estimated at a blistering 40°C (104°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The average relative humidity in December is 55%.Rainfall
In Bétou, in December, during 6.9 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Bétou, during the entire year, the rain falls for 242.9 days and collects up to 1067mm (42.01") of precipitation.Daylight
With an average of 12h and 0min of daylight, December has the shortest days of the year in Bétou.On the first day of the month, sunrise is at 05:36 and sunset at 17:33. On the last day of December, in Bétou, sunrise is at 05:50 and sunset at 17:47 WAT.
Sunshine
In December, the average sunshine is 9.8h.UV index
The months with the highest UV index are January through April, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 in December translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bétou, Congo
- Average high temperature in December: 33.9°C
The warmest months (with the highest average high temperature) are January and February (35.7°C).
The month with the lowest average high temperature is August (29.5°C).
- Average low temperature in December: 21.2°C
The months with the highest average low temperature are February and March (22.3°C).
The coldest month (with the lowest average low temperature) is September (20.4°C).
Average pressure in December
Bétou, Congo
- Average pressure in December: 1009.3mbar
The month with the highest atmospheric pressure is July (1012.1mbar).
The month with the lowest atmospheric pressure is February (1008.1mbar).
Average wind speed in December
Bétou, Congo
- Average wind speed in December: 5.2km/h
The windiest month (with the highest average wind speed) is April (6.5km/h).
The calmest month (with the lowest average wind speed) is October (4.2km/h).
Average humidity in December
Bétou, Congo
- Average humidity in December: 55%
The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is January (45%).
Average rainfall in December
Bétou, Congo
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is October (171mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in December
Bétou, Congo
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is October (29.1 days).
The month with the least rainy days is January (4.8 days).
Average daylight in December /
Average sunshine in December
Bétou, Congo
- Average daylight in December: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in December: 9h and 48min
The month with the most sunshine is January (Average sunshine: 9h and 54min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).
Average sunshine days in December
Bétou, Congo
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is October (1.5 days).
Average UV index in December
Bétou, Congo
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September and October (UV index 6).
Average cloud cover in December
Bétou, Congo
- Average cloud cover in December: 17
The month with the most cloud cover is October (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in December
Bétou, Congo
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are August, September and October (7km).





