December weather forecast
Délices, French Guiana

December marks the end of the year with an upswing in rainfall to 106mm (4.17") over 28.1 days in Délices, French Guiana. Stepping into December implies embracing the full-fledged tropical climate. Fondly dubbed as the "back-to-rain" month, it witnesses a steady rise in rainfall, preparing for the intense rains in the months that follow. Scattered showers transform the city into a picturesque landscape, with the warmth of the holiday season amalgamating with the cool of the rains. Even as the year ends, Délices thrives under the downpour, signaling the constant ebb and flow of the climatic cycle.

Temperature

With the onset of December, the average high-temperature in Délices, French Guiana, stands at a still tropical 30.9°C (87.6°F), closely aligned with November's 33.8°C (92.8°F). During the nights in December, Délices experiences a consistent average temperature of 21.1°C (70°F).

Heat index

In December, the average heat index is appraised at a blistering 43°C (109.4°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Délices, in December, during 28.1 rainfall days, 106mm (4.17") of precipitation is typically accumulated. Throughout the year, in Délices, there are 259.6 rainfall days, and 915mm (36.02") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Délices, with an average of 11h and 54min of daylight.
On the first day of the month, sunrise is at 06:28 and sunset at 18:20. On the last day of December, in Délices, sunrise is at 06:42 and sunset at 18:34 -03.

Sunshine

In Délices, French Guiana, the average sunshine in December is 5.9h.

UV index

With an average maximum UV index of 5, December is the month with the lowest UV index in Délices. A UV Index of 3 to 5 symbolizes a medium health hazard 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:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.