December weather forecastVillalba, PR
December
Weather in December
December in Villalba marks the dawn of a notably drier season when put in comparison to previous months, characterized by an average rainfall of 1.42" (36mm). The slight cooling of temperatures complements the festive season beautifully. Despite fewer hours of daylight, the city glows in celebration, buzzing with liveliness. The return of slightly stronger winds compared to November adds a touch of winter to the tropical city, rounding off the year in Villalba on a delightful note.Temperature
Villalba transitions into December recording an average high-temperature of a still warm 82°F (27.8°C), closely aligning with the preceding month's temperature. The average temperature during December nights dips to an agreeable 72.7°F (22.6°C).Heat index
For December, the heat index is evaluated at a tropical 87.8°F (31°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in December in Villalba is 79%.Rainfall
In December, in Villalba, the rain falls for 18.6 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Villalba, during the entire year, the rain falls for 249.1 days and collects up to 28.82" (732mm) of precipitation.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year in Villalba.On the first day of December in Villalba, Puerto Rico, sunrise is at 6:41 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:01 pm AST.
Sunshine
The average sunshine in December is 7h.UV index
January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 6 in December leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Villalba, PR
- Average high temperature in December: 82°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (81°F).
- Average low temperature in December: 72.7°F
The month with the highest average low temperature is August (76.6°F).
The coldest months (with the lowest average low temperature) are February and March (70.9°F).
Average pressure in December
Villalba, PR
- Average pressure in December: 29.98"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The months with the lowest atmospheric pressure are October and November (29.9"Hg).
Average wind speed in December
Villalba, PR
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is July (8mph).
The calmest month (with the lowest average wind speed) is November (5.5mph).
Average humidity in December
Villalba, PR
- Average humidity in December: 79%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is March (76%).
Average rainfall in December
Villalba, PR
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is September (4.45").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Villalba, PR
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is October (24.8 days).
The month with the least rainy days is February (15 days).
Average daylight in December /
Average sunshine in December
Villalba, PR
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in December
Villalba, PR
- Average sunshine days in December: 7 days
The month with the most sunshine days is March (7.6 days).
The month with the least sunshine days is October (2.6 days).
Average UV index in December
Villalba, PR
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in December
Villalba, PR
- Average cloud cover in December: 28
The month with the most cloud cover is May (Cloud cover 34).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in December
Villalba, PR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
