December weather forecast
Fracas, French Guiana

December, the first month of the winter in Fracas, is still a hot month, with an average temperature varying between 30.2°C (86.4°F) and 22.7°C (72.9°F).

Temperature

In Fracas, December's average high-temperature stands at a still hot 30.2°C (86.4°F), closely related to the preceding month. During December, Fracas records a consistent average nighttime temperature of 22.7°C (72.9°F).

Heat index

The average heat index in December is calculated to be a fiery hot 39°C (102.2°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Fracas, in December, during 21.9 rainfall days, 84mm (3.31") of precipitation is typically accumulated. Throughout the year, in Fracas, there are 253 rainfall days, and 878mm (34.57") 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 06:27 and sunset at 18:19. On the last day of December, sunrise is at 06:42 and sunset at 18:33 -03.

Sunshine

The average sunshine in December in Fracas 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in December transforms into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.