December weather forecast
Jicalapa, El Salvador

The first month of the winter, December, is still a warm month in Jicalapa, El Salvador, with an average temperature ranging between max 29.9°C (85.8°F) and min 19.5°C (67.1°F).

Temperature

December's arrival registers an average high-temperature of a still moderately hot 29.9°C (85.8°F), matching the conditions of the preceding month. Jicalapa's temperature in December lowers to a consistent average of 19.5°C (67.1°F) during the nights.

Heat index

Throughout December, the heat index is computed to be a fiery hot 35°C (95°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is essential to realize that direct sunlight can escalate 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 miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in December is 70%.

Rainfall

In Jicalapa, during December, the rain falls for 2.3 days and regularly aggregates up to 4mm (0.16") of precipitation. Throughout the year, in Jicalapa, there are 187 rainfall days, and 1106mm (43.54") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Jicalapa, with an average of 11h and 18min of daylight.
On the first day of December, sunrise is at 06:05 and sunset at 17:28. On the last day of the month, sunrise is at 06:21 and sunset at 17:41 CST.

Sunshine

January and December, with an average of 7.7h of sunshine, are months with the least sunshine in Jicalapa.

UV index

The months with the lowest UV index in Jicalapa are January, May, June, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during December translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.