December weather forecast
Barrancabermeja, Colombia

The first month of the winter, December, is also a hot month in Barrancabermeja, Colombia, with temperature in the range of an average low of 21.9°C (71.4°F) and an average high of 33.8°C (92.8°F).

Temperature

December's onset sees an average high-temperature of a still tropical 33.8°C (92.8°F), exhibiting a slight fluctuation from the previous month. During the month of December, the temperature in Barrancabermeja generally drops to a low average of 21.9°C (71.4°F).

Heat index

For December, the heat index is estimated at a life-threatening hot 47°C (116.6°F). Take note: Heat exhaustion and heat cramps are expected. Heatstroke can occur with prolonged effort.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. 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.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in December in Barrancabermeja is 72%.

Rainfall

In Barrancabermeja, in December, during 16.2 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Barrancabermeja, during the entire year, the rain falls for 245.7 days and collects up to 1137mm (44.76") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 42min of daylight.
On the first day of December in Barrancabermeja, sunrise is at 05:52 and sunset at 17:36. On the last day of the month, sunrise is at 06:07 and sunset at 17:50 -05.

Sunshine

January and December, with an average of 8.1h of sunshine, are months with the least sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Barrancabermeja, Colombia. The months with the lowest UV index in Barrancabermeja are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during December leads to these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.