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 April. 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 April is characterized by gradually rising daily high temperatures, with daily highs increasing from 79Â°F to 83Â°F over the course of the month, exceeding 84Â°F or dropping below 76Â°F only one day in ten.
Over the course of April, the length of the day is gradually increasing. The shortest day of the month is April 1 with 12:26 hours of daylight; the longest day is April 30 with 13:08 hours of daylight.
The earliest sunrise is at 6:52am on April 30; the latest sunset is at 8:00pm on April 30; the latest sunrise is at 7:20am on April 1; the earliest sunset is at 7:46pm on April 1.
Daylight saving time is observed in 2013 but it neither starts nor ends in April, so the entire month is in daylight time.
The median cloud cover ranges from 35% (mostly clear) to 42% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 7% from the start to the end of the month.
On April 15, a representative day, the sky is clear or mostly clear 36% of the time, partly cloudy 4% of the time, and mostly cloudy or overcast 19% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around April 12, occurring in 45% of days. Precipitation is least likely around April 30, occurring in 34% of days.
Throughout April, the most common forms of precipitation are light rain, moderate rain, and thunderstorms.
Light rain is the most severe precipitation observed during 55% of those days with precipitation. It is most likely around April 1, when it is observed during 26% of all days.
Moderate rain is the most severe precipitation observed during 27% of those days with precipitation. It is most likely around April 7, when it is observed during 13% of all days.
Thunderstorms are the most severe precipitation observed during 18% of those days with precipitation. They are most likely around April 15, when it is observed during 8% of all days.
Either snow is exceptionally unlikely to fall at this location in April or this station does not reliably report precipitation types.
The relative humidity typically ranges from 64% (mildly humid) to 92% (very humid) over the course of a typical April, rarely dropping below 57% (mildly humid) and reaching as high as 98% (very humid).
The air is driest around April 14, at which time the relative humidity drops below 68% (mildly humid) three days out of four; it is most humid around April 1, 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 April, the dew point typically varies from 65Â°F (mildy humid) to 73Â°F (very muggy) and is rarely below 59Â°F (comfortable) or above 75Â°F (very muggy).
Over the course of April typical wind speeds vary from 7 mph to 22 mph (light breeze to fresh breeze), rarely exceeding 22 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 13 mph (moderate breeze) occurs around April 1, at which time the average daily maximum wind speed is 19 mph (fresh breeze).