December weather forecastGuidouma, Gabon
December
Weather in December
December, the first month of the summer in Guidouma, is also a hot month, with an average temperature varying between 30.8°C (87.4°F) and 22°C (71.6°F).Temperature
The transition from November to December brings an average high-temperature of a still tropical 30.8°C (87.4°F), barely different from November's 30°C (86°F). An average nighttime temperature of 22°C (71.6°F) is witnessed in Guidouma throughout December.Heat index
Throughout December, the heat index is computed to be a blistering 43°C (109.4°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In December, the average relative humidity in Guidouma is 87%.Rainfall
In December, the rain falls for 30.4 days. Throughout December, 220mm (8.66") of precipitation is accumulated. Throughout the year, there are 297.6 rainfall days, and 1831mm (72.09") of precipitation is accumulated.Daylight
With an average of 12h and 12min of daylight, December has the longest days of the year in Guidouma.On the first day of December in Guidouma, sunrise is at 06:00 and sunset at 18:12. On the last day of the month, sunrise is at 06:13 and sunset at 18:26 WAT.
Sunshine
In Guidouma, the average sunshine in December is 6.8h.UV index
The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in December translates into this advice:
Take precautions against overexposure. Protection against sun damage is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guidouma, Gabon
- Average high temperature in December: 30.8°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is October (29.9°C).
- Average low temperature in December: 22°C
The month with the highest average low temperature is March (22.2°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).
Average pressure in December
Guidouma, Gabon
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is July (1014.2mbar).
The months with the lowest atmospheric pressure are February and March (1010.3mbar).
Average wind speed in December
Guidouma, Gabon
- Average wind speed in December: 3.8km/h
The windiest month (with the highest average wind speed) is August (6km/h).
The calmest month (with the lowest average wind speed) is December (3.8km/h).
Average humidity in December
Guidouma, Gabon
- Average humidity in December: 87%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Guidouma, Gabon
- Average rainfall in December: 220mm
The wettest month (with the highest rainfall) is October (275mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in December
Guidouma, Gabon
- Average rainfall days in December: 30.4 days
The month with the highest number of rainy days is December (30.4 days).
The month with the least rainy days is July (10.3 days).
Average daylight in December /
Average sunshine in December
Guidouma, Gabon
- Average daylight in December: 12h and 12min
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 0min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is January (Average sunshine: 7h and 24min).
The month with the least sunshine is September (Average sunshine: 5h and 18min).
Average sunshine days in December
Guidouma, Gabon
- Average sunshine days in December: 0.5 days
The month with the most sunshine days is July (15 days).
The month with the least sunshine days is October (0.4 days).
Average UV index in December
Guidouma, Gabon
- Average UV index in December: 6
The month with the highest UV index is March (UV index 7).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in December
Guidouma, Gabon
- Average cloud cover in December: 66
The month with the most cloud cover is October (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in December
Guidouma, Gabon
- Average visibility in December: 6km
The month with the highest visibility is August (10km).
The month with the lowest visibility is November (5km).





