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
In the transition from November to December, Roche Serpent reports an average high-temperature of a warm 28.6°C (83.5°F), indicating a close resemblance to the prior month. December nights witness a mild cool down to an average low of 24.7°C (76.5°F).Heat index
For most parts of December, the heat index is computed to be a tropical 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Roche Serpent, the average relative humidity in December is 82%.Rainfall
In December, in Roche Serpent, 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 54min of daylight.On the first day of the month, sunrise is at 06:25 and sunset at 18:17. On the last day of December, sunrise is at 06:39 and sunset at 18:31 -03.
Sunshine
The average sunshine in December is 7.4h.UV index
The months with the lowest UV index in Roche Serpent are January through June and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 6 suggests this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
Is it hot in Roche Serpent during December?
What is the average humidity in December in Roche Serpent?
How much does it rain in Roche Serpent in December?
What is the month with the shortest days in Roche Serpent?
How many hours of daylight does Roche Serpent have in December?
When is the sunrise / sunset in December in Roche Serpent?
How long on average sun shines in December in Roche Serpent?
What is the month with the lowest UV index in Roche Serpent?
What is the UV index reading in December in Roche Serpent?
Average temperature in December
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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 54min).
- 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
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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
Roche Serpent, 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).
Roche Serpent, French Guiana
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