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 year. 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%).
Over the course of a year, the temperature typically varies from 53Â°F to 91Â°F and is rarely below 42Â°F or above 92Â°F.
The warm season lasts from May 17 to October 7 with an average daily high temperature above 86Â°F. The hottest day of the year is August 10, with an average high of 91Â°F and low of 81Â°F.
The cold season lasts from January 3 to February 18 with an average daily high temperature below 70Â°F. The coldest day of the year is January 31, with an average low of 53Â°F and high of 65Â°F.
The length of the day varies significantly over the course of the year. The shortest day is December 21 with 10:30 hours of daylight; the longest day is June 21 with 13:47 hours of daylight.
The earliest sunrise is at 6:36am on June 8 and the latest sunset is at 8:25pm on July 3. The latest sunrise is at 7:43am on March 10 and the earliest sunset is at 5:36pm on November 29.
Daylight saving time (DST) is observed in this location during 2013, starting in the spring on March 10 and ending in the fall on November 3.
The median cloud cover ranges from 8% (clear) to 58% (partly cloudy). The sky is cloudiest on January 29 and clearest on August 12. The clearer part of the year begins around June 15. The cloudier part of the year begins around November 3.
On August 12, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 88% of the time, and overcast or mostly cloudy 8% of the time.
On January 29, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 29% of the time, and clear or mostly clear 20% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around December 10, occurring in 50% of days. Precipitation is least likely around August 1, occurring in 20% of days.
Over the entire year, the most common forms of precipitation are light rain, thunderstorms, and moderate rain.
Light rain is the most severe precipitation observed during 46% of those days with precipitation. It is most likely around March 20, when it is observed during 30% of all days.
Thunderstorms are the most severe precipitation observed during 34% of those days with precipitation. They are most likely around August 22, when it is observed during 24% of all days.
Moderate rain is the most severe precipitation observed during 16% of those days with precipitation. It is most likely around January 1, when it is observed during 14% of all days.
During the warm season, which lasts from May 17 to October 7, there is a 25% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of thunderstorms (71% of days with precipitation have at worst thunderstorms), light rain (20%), and moderate rain (5%).
During the cold season, which lasts from January 3 to February 18, there is a 39% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (57% of days with precipitation have at worst light rain), moderate rain (26%), and thunderstorms (11%).
Either snow is exceptionally unlikely to fall at any time during the year at this location or this station does not reliably report precipitation types.
The relative humidity typically ranges from 54% (mildly humid) to 98% (very humid) over the course of the year, rarely dropping below 46% (comfortable) and reaching as high as 100% (very humid).
The air is driest around November 1, at which time the relative humidity drops below 59% (mildly humid) three days out of four; it is most humid around January 14, exceeding 97% (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 year, the dew point typically varies from 46Â°F (dry) to 80Â°F (very oppressive) and is rarely below 31Â°F (dry) or above 81Â°F (very oppressive).
There are two periods in the year that are most comfortable: The first is between January 1 and February 23 and the second is between December 2 and December 31. The air feels neither too dry nor too muggy during these periods.
Over the course of the year typical wind speeds vary from 2 mph to 22 mph (light air to fresh breeze), rarely exceeding 24 mph (fresh breeze).
The highest average wind speed of 16 mph (moderate breeze) occurs around April 16, at which time the average daily maximum wind speed is 21 mph (fresh breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around August 19, at which time the average daily maximum wind speed is 12 mph (moderate breeze).