Summer Weather in Dhahran Saudi Arabia

Daily high temperatures are around 108°F, rarely falling below 100°F or exceeding 115°F. The highest daily average high temperature is 110°F on July 18.

Daily low temperatures are around 84°F, rarely falling below 76°F or exceeding 90°F. The highest daily average low temperature is 86°F on July 26.

For reference, on July 14, the hottest day of the year, temperatures in Dhahran typically range from 86°F to 110°F, while on January 15, the coldest day of the year, they range from 51°F to 69°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.

Yuma, United States (8,247 miles away) and Chingueṭṭi, Mauritania (3,945 miles) are the far-away foreign places with temperatures most similar to Dhahran (view comparison).

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The summer in Dhahran experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 10% to 30%. The highest chance of overcast or mostly cloudy conditions is 43% on August 11.

The clearest day of the summer is June 9, with clear, mostly clear, or partly cloudy conditions 91% of the time.

For reference, on August 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 43%, while on September 30, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 94%.

Over the course of the summer in Dhahran, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 0 minutes, implying an average daily decrease of 40 seconds, and weekly decrease of 4 minutes, 38 seconds.

The shortest day of the summer is August 31, with 12 hours, 41 minutes of daylight and the longest day is June 20, with 13 hours, 47 minutes of daylight.

The earliest sunrise of the summer in Dhahran is 4:46 AM on June 9 and the latest sunrise is 33 minutes later at 5:19 AM on August 31.

The latest sunset is 6:36 PM on July 1 and the earliest sunset is 36 minutes earlier at 6:00 PM on August 31.

Daylight saving time is not observed in Dhahran during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:47 AM and sets 13 hours, 47 minutes later, at 6:34 PM, while on December 21, the shortest day of the year, it rises at 6:23 AM and sets 10 hours, 30 minutes later, at 4:52 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 Dhahran is very rapidly increasing during the summer, rising from 17% to 58% over the course of the season.

The highest chance of a muggy day during the summer is 59% on August 29.

For reference, on August 28, the muggiest day of the year, there are muggy conditions 59% of the time, while on January 30, the least muggy day of the year, there are muggy conditions 0% 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 Dhahran is rapidly decreasing during the summer, decreasing from 10.5 miles per hour to 8.5 miles per hour over the course of the season.

For reference, on June 20, the windiest day of the year, the daily average wind speed is 11.5 miles per hour, while on October 3, the calmest day of the year, the daily average wind speed is 8.1 miles per hour.

The highest daily average wind speed during the summer is 11.5 miles per hour on June 20.

The hourly average wind direction in Dhahran throughout the summer is predominantly from the north, with a peak proportion of 71% on June 19.

Dhahran 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 Dhahran is rapidly increasing during the summer, rising by 8°F, from 84°F to 92°F, over the course of the season.

The highest average surface water temperature during the summer is 92°F on August 20.

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 Dhahran 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 Dhahran are very rapidly increasing during the summer, increasing by 3,244°F, from 3,190°F to 6,433°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 Dhahran is gradually decreasing during the summer, falling by 0.9 kWh, from 7.9 kWh to 7.0 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.0 kWh on June 14.

For the purposes of this report, the geographical coordinates of Dhahran are 26.289 deg latitude, 50.114 deg longitude, and 144 ft elevation.

The topography within 2 miles of Dhahran contains significant variations in elevation, with a maximum elevation change of 525 feet and an average elevation above sea level of 153 feet. Within 10 miles also contains significant variations in elevation (640 feet). Within 50 miles contains significant variations in elevation (840 feet).

The area within 2 miles of Dhahran is covered by bare soil (55%) and artificial surfaces (40%), within 10 miles by bare soil (51%) and artificial surfaces (32%), and within 50 miles by water (49%) and bare soil (47%).