This report describes the typical weather at the Nassau Lynden Pindling International Airport (Nassau, The Bahamas) weather station over the course of an average July. 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 July is characterized by essentially constant daily high temperatures, with daily highs around 89°F throughout the month, exceeding 93°F or dropping below 86°F only one day in ten.
Over the course of July, the length of the day is essentially constant. The shortest day of the month is July 31 with 13:18 hours of daylight; the longest day is July 1 with 13:40 hours of daylight.
The earliest sunrise is at 6:24am on July 1; the latest sunset is at 8:04pm on July 6; the latest sunrise is at 6:37am on July 30; the earliest sunset is at 7:55pm on July 31.
Daylight savings time is observed in 2012 but it neither starts nor ends in July, so the entire month is in daylight time.
The median cloud cover is 53% (partly cloudy) and does not vary substantially over the course of the month.
On July 16, a representative day, the sky is clear or mostly clear 30% of the time, partly cloudy 34% of the time, and mostly cloudy or overcast 22% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around July 31, occurring in 65% of days. Precipitation is least likely around July 2, occurring in 60% of days.
Throughout July, the most common forms of precipitation are thunderstorms and moderate rain.
Thunderstorms are the most severe precipitation observed during 60% of those days with precipitation. They are most likely around July 31, when it is observed during 40% of all days.
Moderate rain is the most severe precipitation observed during 30% of those days with precipitation. It is most likely around July 27, when it is observed during 19% of all days.
Either snow is exceptionally unlikely to fall at this location in July or this station does not reliably report precipitation types.
The relative humidity typically ranges from 58% (mildly humid) to 92% (very humid) over the course of a typical July, rarely dropping below 51% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around July 20, at which time the relative humidity drops below 62% (mildly humid) three days out of four; it is most humid around July 1, rising above 88% (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 July, the dew point typically varies from 71°F (very muggy) to 78°F (oppressive) and is rarely below 68°F (muggy) or above 80°F (very oppressive).
Over the course of July 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 8 mph (light breeze) occurs around July 28, 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 July 3, at which time the average daily maximum wind speed is 14 mph (moderate breeze).