December weather forecast
El Retorno, Colombia

The first month of the winter, December, is still a warm month in El Retorno, Colombia, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 29.4°C (84.9°F).

Temperature

El Retorno commences December with an average high-temperature of a still warm 29.4°C (84.9°F), maintaining a close resemblance to the previous month. Throughout December, El Retorno registers a consistent average low-temperature of 21.2°C (70.2°F).

Heat index

In December, the heat index is appraised at a sweltering 36°C (96.8°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In El Retorno, the average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 23.3 days. Throughout December, 98mm (3.86") of precipitation is accumulated. In El Retorno, during the entire year, the rain falls for 300.1 days and collects up to 1896mm (74.65") of precipitation.

Daylight

With an average of 12h and 0min of daylight, December has the shortest days of the year in El Retorno.
On the first day of December, sunrise is at 05:39 and sunset at 17:39. On the last day of the month, sunrise is at 05:54 and sunset at 17:53 -05.

Sunshine

The average sunshine in December is 6.9h.

UV index

January through May, July through December, with an average maximum UV index of 6, are months with the highest UV index in El Retorno, Colombia. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during December translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.