This report describes the typical weather at the Dubai International Airport (Dubai, United Arab Emirates) weather station over the course of an average April. It is based on the historical records from 1978 to 2012. Earlier records are either unavailable or unreliable.
Dubai has a hot desert climate. The area within 25 mi of this station is covered by oceans and seas (83%), shrublands (9%), and lakes and rivers (7%).
The month of April is characterized by rising daily high temperatures, with daily highs increasing from 86°F to 95°F over the course of the month, exceeding 103°F or dropping below 76°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 12:25 hours of daylight; the longest day is April 30 with 13:05 hours of daylight.
The earliest sunrise is at 5:44am on April 30; the latest sunset is at 6:49pm on April 30; the latest sunrise is at 6:10am on April 1; the earliest sunset is at 6:35pm on April 1.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover ranges from 6% (clear) to 18% (mostly clear). The trend is for the sky to be clearing with the median cloud cover decreasing by 12% from the start to the end of the month.
On April 30, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 74% of the time, and overcast or mostly cloudy 2% of the time.
On April 1, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 22% of the time, and clear or mostly clear 57% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around April 1, occurring in 13% of days. Precipitation is least likely around April 30, occurring in 5% of days.
Throughout April, the most common forms of precipitation are moderate rain, thunderstorms, and light rain.
Moderate rain is the most severe precipitation observed during 45% 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 32% of those days with precipitation. They are most likely around April 1, when it is observed during 4% of all days.
Light rain is the most severe precipitation observed during 20% of those days with precipitation. It is most likely around April 3, 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 26% (dry) to 89% (very humid) over the course of a typical April, rarely dropping below 12% (very dry) and reaching as high as 100% (very humid).
The air is driest around April 30, at which time the relative humidity drops below 35% (comfortable) three days out of four; it is most humid around April 1, rising above 81% (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 48°F (dry) to 68°F (muggy) and is rarely below 35°F (dry) or above 74°F (very muggy).
Over the course of April typical wind speeds vary from 2 mph to 16 mph (light air to moderate breeze), rarely exceeding 22 mph (fresh breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around April 3, at which time the average daily maximum wind speed is 16 mph (moderate breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around April 17, at which time the average daily maximum wind speed is 15 mph (moderate breeze).