August Weather at Sana'a International Airport Yemen

Daily high temperatures are around 83°F, rarely falling below 79°F or exceeding 87°F.

Daily low temperatures are around 61°F, rarely falling below 58°F or exceeding 65°F.

For reference, on June 22, the hottest day of the year, temperatures at Sana'a International Airport typically range from 62°F to 85°F, while on December 28, the coldest day of the year, they range from 43°F to 73°F.

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

Pietermaritzburg, South Africa (3,253 miles away) is the far-away foreign place with temperatures most similar to Sana'a International Airport (view comparison).

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The month of August at Sana'a International Airport experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 56% to 40%.

The clearest day of the month is August 31, with clear, mostly clear, or partly cloudy conditions 60% of the time.

For reference, on June 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 61%, while on November 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 81%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Sana'a International Airport, the chance of a wet day over the course of August is essentially constant, remaining around 3% throughout.

For reference, the year's highest daily chance of a wet day is 4% on August 12, and its lowest chance is 1% on June 23.

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 August at Sana'a International Airport is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.6 inches or falling below -0.0 inches.

The highest average 31-day accumulation is 0.2 inches on August 12.

Over the course of August at Sana'a International Airport, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 23 minutes, implying an average daily decrease of 45 seconds, and weekly decrease of 5 minutes, 16 seconds.

The shortest day of the month is August 31, with 12 hours, 26 minutes of daylight and the longest day is August 1, with 12 hours, 48 minutes of daylight.

The earliest sunrise of the month at Sana'a International Airport is 5:45 AM on August 1 and the latest sunrise is 5 minutes later at 5:50 AM on August 31.

The latest sunset is 6:33 PM on August 1 and the earliest sunset is 17 minutes earlier at 6:16 PM on August 31.

Daylight saving time is not observed at Sana'a International Airport during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:33 AM and sets 13 hours, 3 minutes later, at 6:36 PM, while on December 21, the shortest day of the year, it rises at 6:25 AM and sets 11 hours, 13 minutes later, at 5:37 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 August 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 at Sana'a International Airport is essentially constant during August, remaining around 0% throughout.

For reference, on July 10, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, 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 at Sana'a International Airport is gradually decreasing during August, decreasing from 7.8 miles per hour to 7.0 miles per hour over the course of the month.

For reference, on July 23, the windiest day of the year, the daily average wind speed is 8.1 miles per hour, while on December 26, the calmest day of the year, the daily average wind speed is 4.4 miles per hour.

The hourly average wind direction at Sana'a International Airport throughout August is predominantly from the north, with a peak proportion of 61% on August 25.

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 at Sana'a International Airport 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 at Sana'a International Airport are rapidly increasing during August, increasing by 670°F, from 3,744°F to 4,414°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 at Sana'a International Airport is gradually increasing during August, rising by 0.6 kWh, from 6.6 kWh to 7.2 kWh, over the course of the month.

The lowest average daily incident shortwave solar energy during August is 6.6 kWh on August 3.

For the purposes of this report, the geographical coordinates of Sana'a International Airport are 15.476 deg latitude, 44.220 deg longitude, and 7,208 ft elevation.

The topography within 2 miles of Sana'a International Airport contains only modest variations in elevation, with a maximum elevation change of 167 feet and an average elevation above sea level of 7,198 feet. Within 10 miles contains only modest variations in elevation (2,566 feet). Within 50 miles contains large variations in elevation (10,325 feet).

The area within 2 miles of Sana'a International Airport is covered by bare soil (27%), artificial surfaces (22%), sparse vegetation (18%), and cropland (18%), within 10 miles by bare soil (40%) and sparse vegetation (23%), and within 50 miles by bare soil (64%) and sparse vegetation (25%).