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
As Mayman steps into December, the average high-temperature is measured at a still tropical 30.2°C (86.4°F), displaying minor differences from November's 32.4°C (90.3°F). Mayman registers a consistent average low-temperature of 22.7°C (72.9°F) during December.Heat index
For most parts of December, the heat index is evaluated at a fiery hot 39°C (102.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In December, the average relative humidity is 83%.Rainfall
In Mayman, in December, during 21.9 rainfall days, 84mm (3.31") of precipitation is typically accumulated. Throughout the year, in Mayman, there are 253 rainfall days, and 878mm (34.57") of precipitation is accumulated.Daylight
With an average of 11h and 48min of daylight, December has the shortest days of the year in Mayman.On the first day of December, sunrise is at 06:31 and sunset at 18:21. On the last day of the month, sunrise is at 06:45 and sunset at 18:35 -03.
Sunshine
In December, the average sunshine is 6.6h.UV index
The months with the lowest UV index are January through June and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December in Mayman?
What is the average humidity in December in Mayman?
How much does it rain in Mayman in December?
What is the month with the shortest days in Mayman?
How many hours of daylight does Mayman have in December?
When are sunrise and sunset in December in Mayman?
How long on average sun shines in December in Mayman?
What are the months with the lowest UV index in Mayman?
How high is the UV index in December in Mayman?
Average temperature in December
Mayman, French Guiana
- Average high temperature in December: 30.2°C
The warmest month (with the highest average high temperature) is October (33.1°C).
The month with the lowest average high temperature is February (29.1°C).
- Average low temperature in December: 22.7°C
The month with the highest average low temperature is May (23.3°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).
Average pressure in December
Mayman, French Guiana
- Average pressure in December: 1010.9mbar
The months with the highest atmospheric pressure are June and July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in December
Mayman, French Guiana
- Average wind speed in December: 8.7km/h
The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in December
Mayman, French Guiana
- Average humidity in December: 83%
The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is October (77%).
Average rainfall in December
Mayman, French Guiana
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is May (137mm).
The driest month (with the least rainfall) is October (23mm).
Average rainfall days in December
Mayman, French Guiana
- Average rainfall days in December: 21.9 days
The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is September (11.5 days).
Average daylight in December /
Average sunshine in December
Mayman, 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: 6h and 4min
The month with the most sunshine is September (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Mayman, French Guiana
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (1.8 days).
Average UV index in December
Mayman, 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
Mayman, French Guiana
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Mayman, French Guiana
- Average visibility in December: 8km
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are June, July and August (7km).
