This report describes the typical weather at the Nassau Lynden Pindling International Airport (Nassau, The Bahamas) weather station over the course of an average August. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Nassau has a tropical savanna climate with dry winters. The area within 25 mi of this station is covered by oceans and seas (95%) and croplands (4%).
The month of August is characterized by essentially constant daily high temperatures, with daily highs around 90°F throughout the month, exceeding 93°F or dropping below 87°F only one day in ten.
Over the course of August, the length of the day is gradually decreasing. The shortest day of the month is August 31 with 12:39 hours of daylight; the longest day is August 1 with 13:17 hours of daylight.
The earliest sunrise is at 6:38am on August 1; the latest sunset is at 7:54pm on August 1; the latest sunrise is at 6:50am on August 31; the earliest sunset is at 7:29pm on August 31.
Daylight savings time is observed in 2012 but it neither starts nor ends in August, so the entire month is in daylight time.
The median cloud cover is 51% (partly cloudy) and does not vary substantially over the course of the month.
On August 16, a representative day, the sky is clear or mostly clear 31% of the time, partly cloudy 34% of the time, and mostly cloudy or overcast 22% of the time.
The average probability that some form of precipitation will be observed in a given day is 67%, with little variation over the course of the month.
Throughout August, the most common forms of precipitation are thunderstorms and moderate rain.
Thunderstorms are the most severe precipitation observed during 59% of those days with precipitation. They are most likely around August 14, when it is observed during 40% of all days.
Moderate rain is the most severe precipitation observed during 31% of those days with precipitation. It is most likely around August 31, when it is observed during 23% of all days.
Either snow is exceptionally unlikely to fall at this location in August or this station does not reliably report precipitation types.
The relative humidity typically ranges from 59% (mildly humid) to 93% (very humid) over the course of a typical August, rarely dropping below 52% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around August 1, at which time the relative humidity drops below 62% (mildly humid) three days out of four; it is most humid around August 25, rising above 89% (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 August, the dew point typically varies from 72°F (very muggy) to 78°F (oppressive) and is rarely below 69°F (muggy) or above 81°F (very oppressive).
Over the course of August typical wind speeds vary from 0 mph to 14 mph (calm to moderate breeze), rarely exceeding 19 mph (fresh breeze).
The highest average wind speed of 7 mph (light breeze) occurs around August 1, at which time the average daily maximum wind speed is 14 mph (moderate breeze).
The lowest average wind speed of 7 mph (light breeze) occurs around August 18, at which time the average daily maximum wind speed is 13 mph (moderate breeze).