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 onset of December manifests an average high-temperature of a moderately hot 28.6°C (83.5°F), demonstrating a minor variation from the preceding month. December's average low-temperature is a still warm 24.7°C (76.5°F), reflecting a minor difference from the day's peak temperatures.Heat index
The average heat index in December is appraised at a tropical 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Pointe Combi, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 26 days. Throughout December, 227mm (8.94") of precipitation is accumulated. Throughout the year, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 48min of daylight.On the first day of December, sunrise is at 06:25 and sunset at 18:16. On the last day of the month, sunrise is at 06:40 and sunset at 18:29 -03.
Sunshine
The average sunshine in December in Pointe Combi is 7.4h.UV index
January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Pointe Combi. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily UV index of 6 turns into the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in December?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Pointe Combi have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Pointe Combi have in December?
What is the month with the lowest UV index in Pointe Combi?
What is the UV index reading in December?
Average temperature in December
Pointe Combi, French Guiana
- Average high temperature in December: 28.6°C
The warmest months (with the highest average high temperature) are September and October (30.9°C).
The month with the lowest average high temperature is February (27.5°C).
- Average low temperature in December: 24.7°C
The month with the highest average low temperature is November (25.1°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).
Average pressure in December
Pointe Combi, French Guiana
- Average pressure in December: 1010.9mbar
The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Pointe Combi, French Guiana
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in December
Pointe Combi, French Guiana
- Average humidity in December: 82%
The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).
Average rainfall in December
Pointe Combi, French Guiana
- Average rainfall in December: 227mm
The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Pointe Combi, French Guiana
- Average rainfall days in December: 26 days
The month with the highest number of rainy days is May (29.6 days).
The months with the least rainy days are September and October (14.3 days).
Average daylight in December /
Average sunshine in December
Pointe Combi, French Guiana
- Average daylight in December: 11h and 5min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Pointe Combi, French Guiana
- Average sunshine days in December: 3.2 days
The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in December
Pointe Combi, French Guiana
- Average UV index in December: 6
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover in December
Pointe Combi, French Guiana
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in December
Pointe Combi, French Guiana
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
