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Summer Weather at Athens Eleftherios Venizelos International Airport Greece

Daily high temperatures increase by 5°F, from 81°F to 86°F, rarely falling below 74°F or exceeding 95°F. The highest daily average high temperature is 89°F on July 31.

Daily low temperatures increase by 8°F, from 61°F to 69°F, rarely falling below 56°F or exceeding 77°F. The highest daily average low temperature is 72°F on August 2.

For reference, on July 31, 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.

Average High and Low Temperature in the Summer at Athens Eleftherios Venizelos International Airport

Average High and Low Temperature in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FSpringFallJul 3189°FJul 3189°F72°F72°FJun 181°FJun 181°F61°F61°FAug 3186°FAug 3186°F69°F69°FJul 188°FJul 188°F69°F69°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

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.

Average Hourly Temperature in the Summer at Athens Eleftherios Venizelos International Airport

Average Hourly Temperature in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSpringFallNowNowcoolcoolcomfortablecomfortablewarmwarmhotcoolcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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© Esri, et al.

Compare Athens Eleftherios Venizelos International Airport to another city:

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The summer at Athens Eleftherios Venizelos International Airport experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 20% to 7%. The lowest chance of overcast or mostly cloudy conditions is 1% on July 23.

The clearest day of the summer is July 23, with clear, mostly clear, or partly cloudy conditions 99% of the time.

For reference, on December 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 44%, while on July 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 99%.

Cloud Cover Categories in the Summer at Athens Eleftherios Venizelos International Airport

Cloud Cover Categories in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFallDec 1356%Dec 1356%Jun 180%Jun 180%Aug 3193%Aug 3193%Jul 196%Jul 196%Aug 199%Aug 199%NowNowclearovercastmostly clearpartly cloudymostly cloudy
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

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 the summer is gradually decreasing, starting the season at 8% and ending it at 4%.

For reference, the year's highest daily chance of a wet day is 25% on November 27, and its lowest chance is 2% on July 26.

Probability of Precipitation in the Summer at Athens Eleftherios Venizelos International Airport

Probability of Precipitation in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0%0%1%1%2%2%3%3%4%4%5%5%6%6%7%7%8%8%9%9%10%10%11%11%SpringFallJul 252%Jul 252%Jun 18%Jun 18%Aug 314%Aug 314%Jul 14%Jul 14%NowNowrain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

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

The average sliding 31-day rainfall during the summer at Athens Eleftherios Venizelos International Airport is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 1.2 inches or falling below -0.0 inches.

The lowest average 31-day accumulation is 0.2 inches on August 3.

Average Monthly Rainfall in the Summer at Athens Eleftherios Venizelos International Airport

Average Monthly Rainfall in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 inSpringFallAug 30.2 inAug 30.2 inJun 10.4 inJun 10.4 inAug 310.3 inAug 310.3 inJul 10.2 inJul 10.2 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of the summer at Athens Eleftherios Venizelos International Airport, 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, 35 minutes, implying an average daily decrease of 1 minute, 3 seconds, and weekly decrease of 7 minutes, 18 seconds.

The shortest day of the summer is August 31, with 13 hours, 2 minutes of daylight and the longest day is June 21, with 14 hours, 48 minutes of daylight.

Hours of Daylight and Twilight in the Summer at Athens Eleftherios Venizelos International Airport

Hours of Daylight and Twilight in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallJun 2114 hr, 48 minJun 2114 hr, 48 minnightnightdaydayAug 3113 hr, 2 minAug 3113 hr, 2 minAug 114 hr, 6 minAug 114 hr, 6 minNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the summer at Athens Eleftherios Venizelos International Airport is 6:01 AM on June 14 and the latest sunrise is 52 minutes later at 6:53 AM on August 31.

The latest sunset is 8:50 PM on June 28 and the earliest sunset is 55 minutes earlier at 7:55 PM on August 31.

Daylight saving time is observed at Athens Eleftherios Venizelos International Airport during 2022, but it neither starts nor ends during the summer, so the entire season is in daylight saving time.

For reference, on June 21, the longest day of the year, the Sun rises at 6:02 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.

Sunrise & Sunset with Twilight in the Summer at Athens Eleftherios Venizelos International Airport

Sunrise & Sunset with Twilight in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSpringFall6:01 AM6:01 AMJun 148:47 PMJun 148:47 PM6:53 AM6:53 AMAug 317:55 PMAug 317:55 PM6:27 AM6:27 AMAug 18:33 PMAug 18:33 PMSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day in the summer. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of key lunar data for the summer of 2022. 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.

Moon Rise, Set & Phases in the Summer at Athens Eleftherios Venizelos International Airport

Moon Rise, Set & Phases in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallMay 167:15 AMMay 167:15 AMMay 302:31 PMMay 302:31 PMJun 142:52 PMJun 142:52 PMJun 295:53 AMJun 295:53 AMJul 139:38 PMJul 139:38 PMJul 288:56 PMJul 288:56 PMAug 124:36 AMAug 124:36 AMAug 2711:18 AMAug 2711:18 AMSep 101:00 PMSep 101:00 PMSep 2612:55 AMSep 2612:55 AM7:49 PM7:49 PM6:15 AM6:15 AM8:54 PM8:54 PM6:32 AM6:32 AM9:32 PM9:32 PM9:01 PM9:01 PM6:29 AM6:29 AM8:27 PM8:27 PM6:37 AM6:37 AM8:29 PM8:29 PM7:34 PM7:34 PM6:42 AM6:42 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

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 increasing during the summer, rising from 1% to 7% over the course of the season.

The highest chance of a muggy day during the summer is 10% on August 9.

For reference, on August 8, the muggiest day of the year, there are muggy conditions 10% of the time, while on December 2, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in the Summer at Athens Eleftherios Venizelos International Airport

Humidity Comfort Levels in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFallAug 910%Aug 910%Jun 11%Jun 11%Aug 317%Aug 317%Jul 15%Jul 15%muggymuggyhumidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

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 rapidly increasing during the summer, increasing from 8.3 miles per hour to 10.7 miles per hour over the course of the season.

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 2, the calmest day of the year, the daily average wind speed is 8.3 miles per hour.

The highest daily average wind speed during the summer is 11.3 miles per hour on August 2. The lowest daily average wind speed during the summer is 8.3 miles per hour on June 2.

Average Wind Speed in the Summer at Athens Eleftherios Venizelos International Airport

Average Wind Speed in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphSpringFallAug 211.3 mphAug 211.3 mphJun 28.3 mphJun 28.3 mphAug 3110.7 mphAug 3110.7 mphJul 19.3 mphJul 19.3 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Athens Eleftherios Venizelos International Airport throughout the summer is predominantly from the north, with a peak proportion of 78% on August 5.

Wind Direction in the Summer at Athens Eleftherios Venizelos International Airport

Wind Direction in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0%100%20%80%40%60%60%40%80%20%100%0%SpringFallNowNowwestsouthnortheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

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 rapidly increasing during the summer, rising by 9°F, from 68°F to 77°F, over the course of the season.

The highest average surface water temperature during the summer is 77°F on August 15.

Average Water Temperature in the Summer at Athens Eleftherios Venizelos International Airport

Average Water Temperature in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug60°F60°F65°F65°F70°F70°F75°F75°F80°F80°FSpringFallAug 1577°FAug 1577°FJun 168°FJun 168°FAug 3177°FAug 3177°FJul 174°FJul 174°FAug 177°FAug 177°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

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 (334 days), from around February 3 to around January 3, rarely starting after March 8, or ending before December 10.

The summer at Athens Eleftherios Venizelos International Airport is reliably fully within the growing season.

Time Spent in Various Temperature Bands and the Growing Season in the Summer at Athens Eleftherios Venizelos International Airport

Time Spent in Various Temperature Bands and the Growing Season in the Summer at Athens Eleftherios Venizelos International Airportgrowing seasonJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SpringFall100%Jul 17100%Jul 17NowNowcoldcoolcomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is 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 very rapidly increasing during the summer, increasing by 2,538°F, from 1,071°F to 3,609°F, over the course of the season.

Growing Degree Days in the Summer at Athens Eleftherios Venizelos International Airport

Growing Degree Days in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°FSpringFallJun 11,071°FJun 11,071°FAug 313,609°FAug 313,609°FJul 11,828°FJul 11,828°FAug 12,741°FAug 12,741°FNowNow
The average growing degree days accumulated over the course of the summer, with 25th to 75th and 10th to 90th percentile bands.

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 the summer, falling by 1.1 kWh, from 7.6 kWh to 6.6 kWh, over the course of the season.

The highest average daily incident shortwave solar energy during the summer is 8.2 kWh on July 7.

Average Daily Incident Shortwave Solar Energy in the Summer at Athens Eleftherios Venizelos International Airport

Average Daily Incident Shortwave Solar Energy in the Summer at Athens Eleftherios Venizelos International AirportJunJulAug0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhSpringFallJul 78.2 kWhJul 78.2 kWhJun 17.6 kWhJun 17.6 kWhAug 316.6 kWhAug 316.6 kWhAug 17.8 kWhAug 17.8 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

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%).

This report illustrates the typical weather at Athens Eleftherios Venizelos International Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Athens Eleftherios Venizelos International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back are Ellinikón Airport, Elefsis Airport, Tanagra Airport, Skiros Airport, Tripoli Airport, and Kalamata Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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