This report describes the typical weather at the Robert L. Bradshaw International Airport (Basseterre, St. Kitts and Nevis) weather station over the course of an average February. It is based on the historical records from 1999 to 2012. Earlier records are either unavailable or unreliable.
Basseterre has a tropical monsoon climate with short dry season. The area within 25 mi of this station is covered by oceans and seas (95%), grasslands (3%), and forests (2%).
The month of February is characterized by essentially constant daily high temperatures, with daily highs around 83Â°F throughout the month, exceeding 85Â°F or dropping below 80Â°F only one day in ten.
Over the course of February, the length of the day is essentially constant. The shortest day of the month is February 2 with 11:23 hours of daylight; the longest day is February 29 with 11:48 hours of daylight.
The earliest sunrise is at 6:30am on February 29; the latest sunset is at 6:18pm on February 29; the latest sunrise is at 6:43am on February 2; the earliest sunset is at 6:06pm on February 1.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover ranges from 50% (partly cloudy) to 57% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 7% from the start to the end of the month.
On February 15, a representative day, the sky is clear or mostly clear 21% of the time, partly cloudy 20% of the time, and mostly cloudy or overcast 16% of the time.
The average probability that some form of precipitation will be observed in a given day is 33%, with little variation over the course of the month.
Throughout February, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 72% of those days with precipitation. It is most likely around February 9, when it is observed during 25% of all days.
Moderate rain is the most severe precipitation observed during 27% of those days with precipitation. It is most likely around February 6, when it is observed during 9% of all days.
Either snow is exceptionally unlikely to fall at this location in February or this station does not reliably report precipitation types.
The relative humidity typically ranges from 63% (mildly humid) to 88% (very humid) over the course of a typical February, rarely dropping below 55% (mildly humid) and reaching as high as 98% (very humid).
The air is driest around February 29, at which time the relative humidity drops below 67% (mildly humid) three days out of four; it is most humid around February 10, rising above 84% (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 February, the dew point typically varies from 66Â°F (muggy) to 72Â°F (very muggy) and is rarely below 62Â°F (mildy humid) or above 74Â°F (very muggy).
Over the course of February typical wind speeds vary from 7 mph to 16 mph (light breeze to moderate breeze), rarely exceeding 20 mph (fresh breeze).
The highest average wind speed of 12 mph (gentle breeze) occurs around February 5, at which time the average daily maximum wind speed is 15 mph (moderate breeze).
The lowest average wind speed of 11 mph (gentle breeze) occurs around February 27, at which time the average daily maximum wind speed is 15 mph (moderate breeze).