December weather forecast
Edmond, French Guiana

The first month of the winter, December, is still a warm month in Edmond, French Guiana, with an average temperature varying between 28.8°C (83.8°F) and 24.5°C (76.1°F).

Temperature

Edmond experiences an average high-temperature of a warm 28.8°C (83.8°F) in December, marking an insignificant shift from 30.8°C (87.4°F) in November. The nights of December anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 24.5°C (76.1°F).

Heat index

The heat index value during December is calculated to be a fiery hot 35°C (95°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Be advised, the heat index considers values for conditions in shade and with a light breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In December, the average relative humidity in Edmond is 83%.

Rainfall

In December, in Edmond, the rain falls for 25.2 days. Throughout December, 204mm (8.03") of precipitation is accumulated. In Edmond, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

December has the shortest days of the year in Edmond, with an average of 11h and 54min of daylight.
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 06:37 and sunset at 18:28 -03.

Sunshine

In December, the average sunshine is 7.3h.

UV index

The months with the lowest UV index in Edmond are January through May and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a regular UV index of 6 translates into these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.