This report describes the typical weather at the Gregorio Luperón International Airport (Puerto Plata, Dominican Republic) weather station over the course of an average December. It is based on the historical records from 1997 to 2012. Earlier records are either unavailable or unreliable.
Puerto Plata has a tropical rainforest climate with no dry season. The area within 25 mi of this station is covered by forests (48%), oceans and seas (47%), and marshes (4%).
The month of December is characterized by essentially constant daily high temperatures, with daily highs around 83°F throughout the month, exceeding 88°F or dropping below 79°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 20 with 10:56 hours of daylight; the longest day is December 3 with 11:01 hours of daylight.
The earliest sunrise is at 7:01am on December 1; the latest sunset is at 6:15pm on December 31; the latest sunrise is at 7:16am on December 31; the earliest sunset is at 6:02pm on December 1.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover is 52% (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 29% of the time, partly cloudy 27% of the time, and mostly cloudy or overcast 24% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around December 6, occurring in 42% of days. Precipitation is least likely around December 31, occurring in 37% of days.
Throughout December, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 51% of those days with precipitation. It is most likely around December 8, when it is observed during 21% of all days.
Moderate rain is the most severe precipitation observed during 36% of those days with precipitation. It is most likely around December 19, when it is observed during 15% 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 69% (mildly humid) to 96% (very humid) over the course of a typical December, rarely dropping below 60% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around December 23, at which time the relative humidity drops below 74% (humid) three days out of four; it is most humid around December 13, rising above 94% (very 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 68°F (muggy) to 75°F (very muggy) and is rarely below 65°F (mildy humid) or above 77°F (oppressive).
Over the course of December typical wind speeds vary from 0 mph to 12 mph (calm to gentle breeze), rarely exceeding 18 mph (fresh breeze).
The highest average wind speed of 5 mph (light breeze) occurs around December 21, at which time the average daily maximum wind speed is 12 mph (gentle breeze).
The lowest average wind speed of 4 mph (light breeze) occurs around December 3, at which time the average daily maximum wind speed is 12 mph (gentle breeze).