December weather forecast
Barranquitas, PR

December embodies the arrival of winter in Barranquitas, exhibiting cooler temperatures and reduced rainfall. The lowering temperature, reaching down to an average low of 72.9°F (22.7°C), introduces a refreshing change to the year-round tropical heat. The winter season manifests itself subtly, maintaining the overall warm climate while offering a cooler environment. December remains as enticing as any other month, drawing in visitors with its cooler climate, while still embracing them with its warm, sunny afternoons. Entering this festive season, Barranquitas shows that its tropical charm remains invincible, unaffected by changing seasons or varying temperatures.

Temperature

Barranquitas records an average high-temperature of a still warm 80.6°F (27°C) in December, closely mirroring the climate of the previous month. Barranquitas's December nights witness minimal differential from the daytime temperatures, with averages of 72.9°F (22.7°C).

Heat index

The heat index for December is evaluated at a hot 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

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

Rainfall

In Barranquitas, in December, it is raining for 21.2 days, with typically 1.81" (46mm) of accumulated precipitation. In Barranquitas, during the entire year, the rain falls for 273.8 days and collects up to 33.19" (843mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 6min of daylight.
On the first day of the month, sunrise is at 6:41 am and sunset at 5:47 pm. On the last day of December, in Barranquitas, sunrise is at 6:56 am and sunset at 6:00 pm AST.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year in Barranquitas.

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.