December weather forecast
Regina, French Guiana

December sees a considerable drop in temperature from November, down to 29.9°C (85.8°F). Rainfall crowns the month's weather, restoring full-swing moisture to Regina's climatic rhythm. Correspondingly, relative humidity levels ascend, leaving days laden with humidity. Daylight shortens as the year concludes, while wind speeds decrease marginally, maintaining the city's steady gust pattern. The overall weather follows a pattern of progression in temperatures in the first half of the year through August, post which it gradually decreases while maintaining moisture infusion throughout.

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a tropical 33.1°C (91.6°F) to a moderately hot 29.9°C (85.8°F). Nighttime temperatures in December average to an agreeable 22.1°C (71.8°F) in Regina.

Heat index

December's average heat index is calculated to be a torrid 39°C (102.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in December in Regina is 86%.

Rainfall

In Regina, in December, it is raining for 25.3 days, with typically 154mm (6.06") of accumulated precipitation. In Regina, during the entire year, the rain falls for 280.4 days and collects up to 1281mm (50.43") of precipitation.

Daylight

December has the shortest days of the year in Regina, with an average of 11h and 54min of daylight.
On the first day of the month, sunrise is at 06:21 and sunset at 18:14. On the last day of December, sunrise is at 06:35 and sunset at 18:28 -03.

Sunshine

In Regina, the average sunshine in December is 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 exposure to the Sun's UV radiation for the average person.
Note: In December, the UV index of 6 transforms into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.