This report describes the typical weather at the South Padre Island (South Padre Island, Texas, United States) weather station over the course of an average July. It is based on the historical records from 2010 to 2013. Earlier records are either unavailable or unreliable.
South Padre Island, Texas has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (63%), grasslands (26%), marshes (4%), and lakes and rivers (3%).
The month of July is characterized by essentially constant daily high temperatures, with daily highs around 90Â°F throughout the month, exceeding 91Â°F or dropping below 88Â°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 13:22 hours of daylight; the longest day is July 1 with 13:44 hours of daylight.
The earliest sunrise is at 6:41am on July 1; the latest sunset is at 8:25pm on July 3; the latest sunrise is at 6:54am on July 31; the earliest sunset is at 8:16pm on July 31.
Daylight saving time is observed in 2013 but it neither starts nor ends in July, so the entire month is in daylight time.
The median cloud cover ranges from 11% (mostly clear) to 22% (mostly clear). The trend is for the sky to be clearing with the median cloud cover decreasing by 11% from the start to the end of the month.
On July 31, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 84% of the time, and overcast or mostly cloudy 9% of the time.
On July 1, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 20% of the time, and clear or mostly clear 59% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around July 1, occurring in 25% of days. Precipitation is least likely around July 25, occurring in 20% of days.
Throughout July, the most common forms of precipitation are thunderstorms and light rain.
Thunderstorms are the most severe precipitation observed during 84% of those days with precipitation. They are most likely around July 15, when it is observed during 20% of all days.
Light rain is the most severe precipitation observed during 11% of those days with precipitation. It is most likely around July 1, when it is observed during 4% 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 65% (mildly humid) to 91% (very humid) over the course of a typical July, rarely dropping below 62% (mildly humid), or exceeding 94% (very humid).
The air is driest around July 5, at which time the relative humidity drops below 67% (mildly humid) three days out of four; it is most humid around July 30, 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 75Â°F (very muggy) to 79Â°F (oppressive) and is rarely below 74Â°F (very muggy) or above 80Â°F (very oppressive).
Over the course of July 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 11 mph (gentle breeze) occurs around July 6, at which time the average daily maximum wind speed is 16 mph (moderate breeze).
The lowest average wind speed of 9 mph (gentle breeze) occurs around July 26, at which time the average daily maximum wind speed is 13 mph (moderate breeze).