This report describes the typical weather at the Providenciales International Airport (Providenciales, Turks and Caicos Islands) weather station over the course of an average December. It is based on the historical records from 2010 to 2013. Earlier records are either unavailable or unreliable.
Providenciales has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by oceans and seas (95%) and marshes (3%).
The month of December is characterized by gradually falling daily high temperatures, with daily highs around 80°F throughout the month, exceeding 82°F or dropping below 77°F only one day in ten.
Over the course of December, the length of the day is essentially constant. The shortest day of the month is December 22 with 10:48 hours of daylight; the longest day is December 1 with 10:54 hours of daylight.
The earliest sunrise is at 6:11am on December 1; the latest sunset is at 5:17pm on December 31; the latest sunrise is at 6:27am on December 31; the earliest sunset is at 5:05pm on December 2.
Daylight saving time is observed in 2013 but it neither starts nor ends in December, so the entire month is in standard time.
The median cloud cover is 53% (partly cloudy) and does not vary substantially over the course of the month.
On December 16, a representative day, the sky is clear or mostly clear 7% of the time, partly cloudy 33% of the time, and mostly cloudy or overcast 10% of the time.
The average probability that some form of precipitation will be observed in a given day is 17%, with little variation over the course of the month.
Throughout December, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 50% of those days with precipitation. It is most likely around December 24, when it is observed during 9% of all days.
Moderate rain is the most severe precipitation observed during 33% of those days with precipitation. It is most likely around December 1, when it is observed during 7% of all days.
Either snow is exceptionally unlikely to fall at this location in December or this station does not reliably report precipitation types.
The relative humidity typically ranges from 64% (mildly humid) to 86% (very humid) over the course of a typical December, rarely dropping below 58% (mildly humid), or exceeding 91% (very humid).
The air is driest around December 24, at which time the relative humidity drops below 67% (mildly humid) three days out of four; it is most humid around December 9, rising above 83% (humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical December, the dew point typically varies from 64°F (mildy humid) to 71°F (muggy) and is rarely below 60°F (comfortable) or above 72°F (very muggy).
Over the course of December typical wind speeds vary from 7 mph to 17 mph (light breeze to moderate breeze), rarely exceeding 21 mph (fresh breeze).
The highest average wind speed of 12 mph (gentle breeze) occurs around December 10, at which time the average daily maximum wind speed is 16 mph (moderate breeze).
The lowest average wind speed of 10 mph (gentle breeze) occurs around December 31, at which time the average daily maximum wind speed is 15 mph (moderate breeze).