December weather forecast
Roche Tablon, French Guiana

The first month of the winter, December, is also a moderately hot month in Roche Tablon, French Guiana, with temperature in the range of an average low of 24.5°C (76.1°F) and an average high of 28.8°C (83.8°F).

Temperature

With the start of December, Roche Tablon measures an average high-temperature of a moderately hot 28.8°C (83.8°F), not significantly differing from November's 30.8°C (87.4°F). Nighttime temperatures during December report a consistent average of 24.5°C (76.1°F).

Heat index

The heat index value during December is appraised at a fiery hot 35°C (95°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 extremely significant for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Roche Tablon, French Guiana, the average relative humidity in December is 83%.

Rainfall

In Roche Tablon, in December, during 25.2 rainfall days, 204mm (8.03") of precipitation is typically accumulated. Throughout the year, in Roche Tablon, there are 277 rainfall days, and 1707mm (67.2") of precipitation is accumulated.

Daylight

With an average of 11h and 54min of daylight, December has the shortest days of the year in Roche Tablon.
On the first day of December, sunrise is at 06:22 and sunset at 18:15. On the last day of the month, sunrise is at 06:36 and sunset at 18:28 -03.

Sunshine

In Roche Tablon, the average sunshine in December is 7.3h.

UV index

January through May and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.