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
Weather in December
Temperature
The advent of December brings an average high-temperature of a warm 28.6°C (83.5°F), exhibiting minor difference from the previous month. Nighttime temperatures record an average of 24.7°C (76.5°F) throughout December.Heat index
December's mean heat index is calculated to be a tropical 34°C (93.2°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high 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
The average relative humidity in December is 82%.Rainfall
In Malmanoury, in December, during 26 rainfall days, 227mm (8.94") of precipitation is typically accumulated. Throughout the year, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.Daylight
The month with the shortest days in Malmanoury is December, with an average of 11h and 48min of daylight.On the first day of the month, sunrise is at 06:25 and sunset at 18:15. On the last day of December, sunrise is at 06:40 and sunset at 18:29 -03.
Sunshine
In Malmanoury, the average sunshine in December 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. 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: The maximum UV index, 6 during December, leads to the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
How hot is December in Malmanoury?
What is the average humidity in December in Malmanoury?
How much does it rain in Malmanoury in December?
What is the month with the shortest days in Malmanoury?
How many hours of daylight does Malmanoury have in December?
What time are sunrise and sunset in December in Malmanoury?
How long on average sun shines in December in Malmanoury?
What is the month with the lowest UV index in Malmanoury?
What is the UV index intensity in December in Malmanoury?
Average temperature in December
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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
Malmanoury, 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).
Malmanoury, French Guiana
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