This report describes the typical weather at the Philip S. W. Goldson International Airport (Belize City) weather station over the course of an average July. It is based on the historical records from 1996 to 2012. Earlier records are either unavailable or unreliable.
Belize City has a tropical monsoon climate with short dry season. The area within 25 mi of this station is covered by oceans and seas (42%), croplands (27%), forests (26%), and lakes and rivers (3%).
The month of July is characterized by essentially constant daily high temperatures, with daily highs around 88°F throughout the month, exceeding 90°F or dropping below 85°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 12:54 hours of daylight; the longest day is July 1 with 13:10 hours of daylight.
The earliest sunrise is at 5:22am on July 1; the latest sunset is at 6:32pm on July 9; the latest sunrise is at 5:32am on July 31; the earliest sunset is at 6:26pm on July 31.
Daylight savings time (DST) is not observed in 2012.
The median cloud cover is 85% (mostly 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 10% of the time, partly cloudy 21% of the time, and mostly cloudy or overcast 55% of the time.
The average probability that some form of precipitation will be observed in a given day is 56%, with little variation over the course of the month.
Throughout July, the most common forms of precipitation are thunderstorms, moderate rain, and light rain.
Thunderstorms are the most severe precipitation observed during 62% of those days with precipitation. They are most likely around July 31, when it is observed during 37% of all days.
Moderate rain is the most severe precipitation observed during 20% of those days with precipitation. It is most likely around July 11, when it is observed during 12% of all days.
Light rain is the most severe precipitation observed during 17% of those days with precipitation. It is most likely around July 3, when it is observed during 10% 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 68% (mildly humid) to 94% (very humid) over the course of a typical July, rarely dropping below 63% (mildly humid) and reaching as high as 100% (very humid).
The air is driest around July 10, at which time the relative humidity drops below 72% (humid) three days out of four; it is most humid around July 22, rising above 91% (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 75°F (very muggy) to 79°F (oppressive) and is rarely below 73°F (very 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 17 mph (moderate breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around July 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 July 31, at which time the average daily maximum wind speed is 13 mph (moderate breeze).