May Weather in Al Bahah Saudi Arabia

Daily high temperatures increase by 6°F, from 78°F to 85°F, rarely falling below 74°F or exceeding 88°F.

Daily low temperatures increase by 6°F, from 60°F to 67°F, rarely falling below 56°F or exceeding 70°F.

For reference, on June 17, the hottest day of the year, temperatures in Al Bahah typically range from 68°F to 86°F, while on January 11, the coldest day of the year, they range from 46°F to 64°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. 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.

Santa Fe de la Vera Cruz, Argentina (7,634 miles away) and São Sepé, Brazil (7,199 miles) are the far-away foreign places with temperatures most similar to Al Bahah (view comparison).

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The month of May in Al Bahah experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 21% to 38%.

The clearest day of the month is May 1, with clear, mostly clear, or partly cloudy conditions 79% of the time.

For reference, on October 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on November 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 84%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Al Bahah, the chance of a wet day over the course of May is gradually decreasing, starting the month at 5% and ending it at 3%.

For reference, the year's highest daily chance of a wet day is 6% on May 5, and its lowest chance is 1% on September 18.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during May in Al Bahah is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 1.2 inches or falling below -0.0 inches.

Over the course of May in Al Bahah, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 23 minutes, implying an average daily increase of 45 seconds, and weekly increase of 5 minutes, 16 seconds.

The shortest day of the month is May 1, with 12 hours, 53 minutes of daylight and the longest day is May 31, with 13 hours, 16 minutes of daylight.

The latest sunrise of the month in Al Bahah is 5:44 AM on May 1 and the earliest sunrise is 11 minutes earlier at 5:34 AM on May 31.

The earliest sunset is 6:37 PM on May 1 and the latest sunset is 12 minutes later at 6:49 PM on May 31.

Daylight saving time is not observed in Al Bahah during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:35 AM and sets 13 hours, 21 minutes later, at 6:56 PM, while on December 21, the shortest day of the year, it rises at 6:44 AM and sets 10 hours, 55 minutes later, at 5:40 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 May 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 Al Bahah is essentially constant during May, remaining around 1% throughout.

For reference, on August 12, the muggiest day of the year, there are muggy conditions 4% of the time, while on January 7, 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 Al Bahah is gradually decreasing during May, decreasing from 7.2 miles per hour to 6.5 miles per hour over the course of the month.

For reference, on March 13, the windiest day of the year, the daily average wind speed is 8.5 miles per hour, while on September 4, the calmest day of the year, the daily average wind speed is 5.9 miles per hour.

The wind direction in Al Bahah during May is predominantly out of the south from May 1 to May 9 and the west from May 9 to May 31.

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 Al Bahah 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 Al Bahah are rapidly increasing during May, increasing by 664°F, from 1,296°F to 1,960°F, over the course of the month.

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 Al Bahah is essentially constant during May, remaining within 0.1 kWh of 7.3 kWh throughout.

For the purposes of this report, the geographical coordinates of Al Bahah are 20.013 deg latitude, 41.468 deg longitude, and 7,139 ft elevation.

The topography within 2 miles of Al Bahah contains large variations in elevation, with a maximum elevation change of 3,130 feet and an average elevation above sea level of 7,026 feet. Within 10 miles contains large variations in elevation (6,598 feet). Within 50 miles also contains extreme variations in elevation (8,501 feet).

The area within 2 miles of Al Bahah is covered by bare soil (80%), within 10 miles by bare soil (66%) and sparse vegetation (24%), and within 50 miles by bare soil (85%) and sparse vegetation (12%).