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 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
December
Weather in December
Temperature
The average high-temperature slightly decreases in December, shifting from 34°C (93.2°F) in November to a still hot 30.8°C (87.4°F). December in Dégrad Bois Blanc sees the temperature falling to a mean low of 20.9°C (69.6°F).Heat index
The heat index value during December is evaluated at an extremely hot 42°C (107.6°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In Dégrad Bois Blanc, the average relative humidity in December is 85%.Rainfall
In Dégrad Bois Blanc, French Guiana, in December, during 26.2 rainfall days, 112mm (4.41") of precipitation is typically accumulated. Throughout the year, there are 265.5 rainfall days, and 1078mm (42.44") of precipitation is accumulated.Daylight
December has the shortest days of the year in Dégrad Bois Blanc, French Guiana, with an average of 11h and 54min of daylight.On the first day of December, sunrise is at 06:27 and sunset at 18:22. On the last day of the month, sunrise is at 06:41 and sunset at 18:36 -03.
Sunshine
In December, the average sunshine in Dégrad Bois Blanc is 5.6h.UV index
The months with the lowest UV index in Dégrad Bois Blanc are January, March and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during December translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Dégrad Bois Blanc in December?
What is the average humidity in December in Dégrad Bois Blanc?
How many days does it rain in December in Dégrad Bois Blanc?
What is the month with the shortest days in Dégrad Bois Blanc?
How many hours of daylight does Dégrad Bois Blanc have in December?
When is the sunrise / sunset in December in Dégrad Bois Blanc?
How long on average sun shines in December in Dégrad Bois Blanc?
When is the lowest UV index in Dégrad Bois Blanc?
What is the UV index reading in December in Dégrad Bois Blanc?
Average temperature in December
Dégrad Bois Blanc, French Guiana
- Average high temperature in December: 30.8°C
The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).
- Average low temperature in December: 20.9°C
The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).
Average pressure in December
Dégrad Bois Blanc, French Guiana
- Average pressure in December: 1010.7mbar
The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in December
Dégrad Bois Blanc, French Guiana
- Average wind speed in December: 5.1km/h
The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).
Average humidity in December
Dégrad Bois Blanc, French Guiana
- Average humidity in December: 85%
The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Dégrad Bois Blanc, French Guiana
- Average rainfall in December: 112mm
The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).
Average rainfall days in December
Dégrad Bois Blanc, French Guiana
- Average rainfall days in December: 26.2 days
The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).
Average daylight in December /
Average sunshine in December
Dégrad Bois Blanc, French Guiana
- Average daylight in December: 11h and 5min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are September and October (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Dégrad Bois Blanc, French Guiana
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).
Average UV index in December
Dégrad Bois Blanc, French Guiana
- Average UV index in December: 5
The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).
Average cloud cover in December
Dégrad Bois Blanc, French Guiana
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).
Average visibility in December
Dégrad Bois Blanc, French Guiana
- Average visibility in December: 6km
The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).
