December weather forecast
Quebradillas, PR

Concluding the year, December in Quebradillas witnesses a further decrease in temperature, the average high dipping to 81.3°F (27.4°C). The region is encapsulated by a slight chill, indicating the full onset of winter. Weather variations become more noticeable with reduced rainfall and increased wind speed. Despite the seasonal shift, the cheerful spirit of the city remains unaltered. Witnessing the transformation of Quebradillas as it transitions from a year-end tranquility to a year-start liveliness is truly captivating.

Temperature

The beginning of December reveals an average high-temperature of a still moderately hot 81.3°F (27.4°C), showing minimal deviation from the previous month. Night temperatures during December stabilize at an average of 75.9°F (24.4°C), closely mirroring the daytime temperatures.

Heat index

In December, the average heat index is computed to be a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. 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 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Quebradillas, the average relative humidity in December is 77%.

Rainfall

In Quebradillas, Puerto Rico, in December, it is raining for 12.6 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 229.7 rainfall days, and 40" (1016mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 0min of daylight.
On the first day of December, sunrise is at 6:44 am and sunset at 5:50 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:02 pm AST.

Sunshine

In Quebradillas, Puerto Rico, the average sunshine in December is 7.3h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 6 transforms into these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.