This report describes the typical weather at the El Paso International Airport (El Paso, 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.
El Paso, Texas has a cold desert climate. The area within 25 mi of this station is covered by shrublands (88%), grasslands (5%), forests (5%), and built-up areas (3%).
The month of April is characterized by rising daily high temperatures, with daily highs increasing from 74°F to 83°F over the course of the month, exceeding 90°F or dropping below 64°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 53 minutes, implying an average day-over-day increase of 1.8 minutes.
The shortest day of the month is April 1 with 12:32 hours of daylight; the longest day is April 30 with 13:25 hours of daylight.
The earliest sunrise is at 6:21am on April 30; the latest sunset is at 7:46pm on April 30; the latest sunrise is at 6:54am on April 1; the earliest sunset is at 7:26pm on April 1.
Daylight saving 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 19% (mostly clear) and does not vary substantially over the course of the month.
On April 15, a representative day, the sky is clear or mostly clear 63% of the time, partly cloudy 15% of the time, and mostly cloudy or overcast 20% of the time.
The average probability that some form of precipitation will be observed in a given day is 13%, with little variation over the course of the month.
Throughout April, the most common forms of precipitation are light rain, thunderstorms, and moderate rain.
Light rain is the most severe precipitation observed during 42% of those days with precipitation. It is most likely around April 1, when it is observed during 6% of all days.
Thunderstorms are the most severe precipitation observed during 37% of those days with precipitation. They are most likely around April 30, when it is observed during 7% of all days.
Moderate rain is the most severe precipitation observed during 14% of those days with precipitation. It is most likely around April 1, when it is observed during 2% 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 14% (very dry) to 48% (comfortable) over the course of a typical April, rarely dropping below 6% (very dry), or exceeding 80% (humid).
The air is driest around April 20, at which time the relative humidity drops below 17% (dry) three days out of four; it is most humid around April 1, rising above 34% (comfortable) 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 17°F (dry) to 36°F (dry) and is rarely below 6°F (dry) or above 51°F (very comfortable).
Over the course of April typical wind speeds vary from 0 mph to 18 mph (calm to fresh breeze), rarely exceeding 30 mph (strong breeze).
The highest average wind speed of 10 mph (gentle breeze) occurs around April 1, at which time the average daily maximum wind speed is 18 mph (fresh breeze).
The lowest average wind speed of 10 mph (gentle breeze) occurs around April 23, at which time the average daily maximum wind speed is 18 mph (moderate breeze).