Summer Weather in Umm al Qaywayn United Arab Emirates

Daily high temperatures are around 104°F, rarely falling below 97°F or exceeding 112°F. The highest daily average high temperature is 106°F on August 2.

Daily low temperatures increase by 5°F, from 78°F to 83°F, rarely falling below 73°F or exceeding 91°F. The highest daily average low temperature is 87°F on July 28.

For reference, on July 27, the hottest day of the year, temperatures in Umm al Qaywayn typically range from 87°F to 106°F, while on January 15, the coldest day of the year, they range from 56°F to 75°F.

The figure below shows you a compact characterization of the hourly average summer temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Chingueṭṭi, Mauritania (4,287 miles away) is the far-away foreign place with temperatures most similar to Umm al Qaywayn (view comparison).

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The summer in Umm al Qaywayn experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 13% to 28%. The highest chance of overcast or mostly cloudy conditions is 47% on July 28.

The clearest day of the summer is June 1, with clear, mostly clear, or partly cloudy conditions 87% of the time.

For reference, on July 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 47%, while on October 4, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 93%.

Over the course of the summer in Umm al Qaywayn, the length of the day is decreasing. From the start to the end of the season, the length of the day decreases by 58 minutes, implying an average daily decrease of 38 seconds, and weekly decrease of 4 minutes, 29 seconds.

The shortest day of the summer is August 31, with 12 hours, 40 minutes of daylight and the longest day is June 21, with 13 hours, 44 minutes of daylight.

The earliest sunrise of the summer in Umm al Qaywayn is 5:26 AM on June 9 and the latest sunrise is 32 minutes later at 5:57 AM on August 31.

The latest sunset is 7:12 PM on July 2 and the earliest sunset is 35 minutes earlier at 6:37 PM on August 31.

Daylight saving time is not observed in Umm al Qaywayn during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:27 AM and sets 13 hours, 44 minutes later, at 7:11 PM, while on December 21, the shortest day of the year, it rises at 6:59 AM and sets 10 hours, 33 minutes later, at 5:32 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the summer of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Umm al Qaywayn is rapidly increasing during the summer, rising from 73% to 89% over the course of the season.

The highest chance of a muggy day during the summer is 90% on August 22.

For reference, on August 22, the muggiest day of the year, there are muggy conditions 90% of the time, while on January 16, the least muggy day of the year, there are muggy conditions 1% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Umm al Qaywayn is gradually decreasing during the summer, decreasing from 8.0 miles per hour to 7.2 miles per hour over the course of the season.

For reference, on March 14, the windiest day of the year, the daily average wind speed is 9.3 miles per hour, while on October 19, the calmest day of the year, the daily average wind speed is 6.7 miles per hour.

The wind direction in Umm al Qaywayn during the summer is predominantly out of the west from June 1 to July 20 and the east from July 20 to August 31.

Umm al Qaywayn is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Umm al Qaywayn is increasing during the summer, rising by 5°F, from 86°F to 91°F, over the course of the season.

The highest average surface water temperature during the summer is 92°F on August 9.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Umm al Qaywayn are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Umm al Qaywayn are very rapidly increasing during the summer, increasing by 3,218°F, from 3,550°F to 6,768°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Umm al Qaywayn is decreasing during the summer, falling by 1.2 kWh, from 8.0 kWh to 6.8 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.0 kWh on June 3.

For the purposes of this report, the geographical coordinates of Umm al Qaywayn are 25.565 deg latitude, 55.555 deg longitude, and 7 ft elevation.

The topography within 2 miles of Umm al Qaywayn contains only modest variations in elevation, with a maximum elevation change of 125 feet and an average elevation above sea level of 4 feet. Within 10 miles also contains only modest variations in elevation (243 feet). Within 50 miles contains only modest variations in elevation (9,928 feet).

The area within 2 miles of Umm al Qaywayn is covered by bare soil (47%) and water (44%), within 10 miles by water (61%) and bare soil (38%), and within 50 miles by water (55%) and bare soil (42%).