December weather forecast
Dulce Nombre de María, El Salvador

The first month of the winter, December, is still a tropical month in Dulce Nombre de María, El Salvador, with an average temperature ranging between min 18.6°C (65.5°F) and max 30.8°C (87.4°F).

Temperature

The onset of December notes an average high-temperature of a still tropical 30.8°C (87.4°F), subtly shifted from November's 30.5°C (86.9°F). The significant decline in Dulce Nombre de María's temperature, from day to night, averages of 18.6°C (65.5°F) in December.

Heat index

December's average heat index is estimated at a very hot 37°C (98.6°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing 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. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in December is 69%.

Rainfall

In Dulce Nombre de María, during December, the rain falls for 3.3 days and regularly aggregates up to 5mm (0.2") of precipitation. Throughout the year, in Dulce Nombre de María, El Salvador, there are 192.2 rainfall days, and 1062mm (41.81") of precipitation is accumulated.

Daylight

The month with the shortest days in Dulce Nombre de María is December, with an average of 11h and 18min of daylight.
On the first day of December in Dulce Nombre de María, sunrise is at 06:04 and sunset at 17:25. On the last day of the month, sunrise is at 06:20 and sunset at 17:38 CST.

Sunshine

January and December, with an average of 7.7h of sunshine, are months with the least sunshine in Dulce Nombre de María.

UV index

The months with the lowest UV index are January, June through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.