August Weather at Athens Eleftherios Venizelos International Airport Greece

Daily high temperatures decrease by 4°F, from 89°F to 86°F, rarely falling below 80°F or exceeding 95°F.

Daily low temperatures decrease by 4°F, from 72°F to 68°F, rarely falling below 63°F or exceeding 77°F. The highest daily average low temperature is 72°F on August 1.

For reference, on July 30, the hottest day of the year, temperatures at Athens Eleftherios Venizelos International Airport typically range from 72°F to 89°F, while on January 23, the coldest day of the year, they range from 41°F to 55°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.

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The month of August at Athens Eleftherios Venizelos International Airport experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 1% to 8%.

The clearest day of the month is August 1, with clear, mostly clear, or partly cloudy conditions 99% of the time.

For reference, on December 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 44%, while on July 22, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 99%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Athens Eleftherios Venizelos 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 25% on November 26, and its lowest chance is 2% on July 25.

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 Athens Eleftherios Venizelos International Airport is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.9 inches or falling below -0.0 inches.

The lowest average 31-day accumulation is 0.2 inches on August 2.

Over the course of August at Athens Eleftherios Venizelos International Airport, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 4 minutes, implying an average daily decrease of 2 minutes, 8 seconds, and weekly decrease of 14 minutes, 58 seconds.

The shortest day of the month is August 31, with 13 hours, 1 minute of daylight and the longest day is August 1, with 14 hours, 5 minutes of daylight.

The earliest sunrise of the month at Athens Eleftherios Venizelos International Airport is 6:27 AM on August 1 and the latest sunrise is 26 minutes later at 6:53 AM on August 31.

The latest sunset is 8:32 PM on August 1 and the earliest sunset is 38 minutes earlier at 7:54 PM on August 31.

Daylight saving time is observed at Athens Eleftherios Venizelos International Airport during 2024, but it neither starts nor ends during August, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 6:01 AM and sets 14 hours, 48 minutes later, at 8:49 PM, while on December 21, the shortest day of the year, it rises at 7:36 AM and sets 9 hours, 32 minutes later, at 5:08 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 Athens Eleftherios Venizelos International Airport is gradually decreasing during August, falling from 9% to 7% over the course of the month.

The highest chance of a muggy day during August is 10% on August 8.

For reference, on August 7, the muggiest day of the year, there are muggy conditions 10% of the time, while on December 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 Athens Eleftherios Venizelos International Airport is gradually decreasing during August, decreasing from 11.3 miles per hour to 10.6 miles per hour over the course of the month.

For reference, on February 4, the windiest day of the year, the daily average wind speed is 12.4 miles per hour, while on June 1, the calmest day of the year, the daily average wind speed is 8.3 miles per hour.

The highest daily average wind speed during August is 11.3 miles per hour on August 1.

The hourly average wind direction at Athens Eleftherios Venizelos International Airport throughout August is predominantly from the north, with a peak proportion of 78% on August 4.

Athens Eleftherios Venizelos International Airport 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 at Athens Eleftherios Venizelos International Airport is essentially constant during August, remaining around 77°F throughout.

The highest average surface water temperature during August is 77°F on August 14.

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).

The growing season at Athens Eleftherios Venizelos International Airport typically lasts for 11 months (335 days), from around February 3 to around January 3, rarely starting after March 7, or ending before December 9.

The month of August at Athens Eleftherios Venizelos International Airport is reliably fully within the growing season.

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 Athens Eleftherios Venizelos International Airport are rapidly increasing during August, increasing by 868°F, from 2,741°F to 3,609°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 Athens Eleftherios Venizelos International Airport is decreasing during August, falling by 1.2 kWh, from 7.7 kWh to 6.5 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Athens Eleftherios Venizelos International Airport are 37.936 deg latitude, 23.944 deg longitude, and 272 ft elevation.

The topography within 2 miles of Athens Eleftherios Venizelos International Airport contains only modest variations in elevation, with a maximum elevation change of 384 feet and an average elevation above sea level of 250 feet. Within 10 miles contains only modest variations in elevation (3,369 feet). Within 50 miles also contains extreme variations in elevation (5,889 feet).

The area within 2 miles of Athens Eleftherios Venizelos International Airport is covered by artificial surfaces (36%), cropland (35%), and sparse vegetation (12%), within 10 miles by water (26%) and cropland (22%), and within 50 miles by water (66%).