This report describes the typical weather at the La Romana International Airport (La Romana, Dominican Republic) weather station over the course of an average April. It is based on the historical records from 2006 to 2012. Earlier records are either unavailable or unreliable.
La Romana has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by oceans and seas (39%), forests (34%), croplands (16%), and grasslands (10%).
The month of April is characterized by essentially constant daily high temperatures, with daily highs around 87°F throughout the month, exceeding 90°F or dropping below 83°F only one day in ten.
Over the course of April, the length of the day is essentially constant. The shortest day of the month is April 1 with 12:20 hours of daylight; the longest day is April 30 with 12:48 hours of daylight.
The earliest sunrise is at 6:09am on April 30; the latest sunset is at 6:57pm on April 30; the latest sunrise is at 6:30am on April 1; the earliest sunset is at 6:49pm on April 1.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover is 62% (partly cloudy) and does not vary substantially over the course of the month.
On April 15, a representative day, the sky is clear or mostly clear 9% of the time, partly cloudy 24% of the time, and mostly cloudy or overcast 18% of the time.
The average probability that some form of precipitation will be observed in a given day is 31%, with little variation over the course of the month.
Throughout April, the most common forms of precipitation are moderate rain, light rain, and thunderstorms.
Moderate rain is the most severe precipitation observed during 50% of those days with precipitation. It is most likely around April 10, when it is observed during 17% of all days.
Light rain is the most severe precipitation observed during 30% of those days with precipitation. It is most likely around April 3, when it is observed during 11% of all days.
Thunderstorms are the most severe precipitation observed during 13% of those days with precipitation. They are most likely around April 30, when it is observed during 7% of all days.
Either snow is exceptionally unlikely to fall at this location in April or this station does not reliably report precipitation types.
The relative humidity typically ranges from 62% (mildly humid) to 97% (very humid) over the course of a typical April, rarely dropping below 49% (comfortable) and reaching as high as 100% (very humid).
The air is driest around April 2, at which time the relative humidity drops below 68% (mildly humid) three days out of four; it is most humid around April 1, rising above 95% (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 April, the dew point typically varies from 68°F (muggy) to 76°F (very muggy) and is rarely below 64°F (mildy humid) or above 79°F (oppressive).
Over the course of April typical wind speeds vary from 2 mph to 17 mph (light air to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 12 mph (moderate breeze) occurs around April 14, 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 April 30, at which time the average daily maximum wind speed is 16 mph (moderate breeze).