This report describes the typical weather at the Corpus Christi International Airport (Corpus Christi, Texas, United States) weather station over the course of an average April. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Corpus Christi, 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 grasslands (59%), croplands (16%), oceans and seas (15%), lakes and rivers (4%), and forests (3%).
The month of April is characterized by rising daily high temperatures, with daily highs increasing from 78°F to 84°F over the course of the month, exceeding 89°F or dropping below 70°F only one day in ten.
Over the course of April, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 45 minutes, implying an average day-over-day increase of 1.5 minutes.
The shortest day of the month is April 1 with 12:28 hours of daylight; the longest day is April 30 with 13:13 hours of daylight.
The earliest sunrise is at 6:51am on April 30; the latest sunset is at 8:04pm on April 29; the latest sunrise is at 7:20am on April 1; the earliest sunset is at 7:48pm on April 1.
Daylight savings time is observed in 2012 but it neither starts nor ends in April, so the entire month is in daylight time.
The median cloud cover is 77% (partly cloudy) and does not vary substantially over the course of the month.
On April 15, a representative day, the sky is clear or mostly clear 32% of the time, partly cloudy 16% of the time, and mostly cloudy or overcast 51% of the time.
The average probability that some form of precipitation will be observed in a given day is 31%, with little variation over the course of the month.
Throughout April, the most common forms of precipitation are light rain, thunderstorms, moderate rain, and drizzle.
Light rain is the most severe precipitation observed during 38% of those days with precipitation. It is most likely around April 2, when it is observed during 13% of all days.
Thunderstorms are the most severe precipitation observed during 25% of those days with precipitation. They are most likely around April 30, when it is observed during 10% of all days.
Moderate rain is the most severe precipitation observed during 23% of those days with precipitation. It is most likely around April 13, when it is observed during 7% of all days.
Drizzle is the most severe precipitation observed during 12% of those days with precipitation. It is most likely around April 1, when it is observed during 5% 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 53% (mildly humid) to 94% (very humid) over the course of a typical April, rarely dropping below 26% (dry) and reaching as high as 100% (very humid).
The air is driest around April 8, at which time the relative humidity drops below 65% (mildly humid) three days out of four; it is most humid around April 30, rising above 92% (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 54°F (very comfortable) to 71°F (muggy) and is rarely below 36°F (dry) or above 75°F (very muggy).
Over the course of April typical wind speeds vary from 5 mph to 22 mph (light breeze to fresh breeze), rarely exceeding 29 mph (strong breeze).
The highest average wind speed of 14 mph (moderate breeze) occurs around April 5, at which time the average daily maximum wind speed is 22 mph (fresh breeze).
The lowest average wind speed of 14 mph (moderate breeze) occurs around April 30, at which time the average daily maximum wind speed is 21 mph (fresh breeze).