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    Average Weather at Athens-Ben Epps Airport Georgia, United States

    At Athens-Ben Epps Airport, the summers are hot and muggy, the winters are cold and wet, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 35°F to 90°F and is rarely below 22°F or above 97°F.

    The hot season lasts for 3.7 months, from May 25 to September 16, with an average daily high temperature above 83°F. The hottest day of the year is July 22, with an average high of 90°F and low of 71°F.

    The cool season lasts for 3.0 months, from November 27 to February 26, with an average daily high temperature below 61°F. The coldest day of the year is January 17, with an average low of 35°F and high of 53°F.

    Average High and Low Temperature

    Average High and Low Temperature at Athens-Ben Epps Airporthotcoolcool20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJan 1753°FJan 1753°FJul 2290°FJul 2290°F35°F35°F71°F71°FMay 2583°FMay 2583°FSep 1683°FSep 1683°FNov 2761°FNov 2761°FFeb 2661°FFeb 2661°F62°F62°F64°F64°F41°F41°F40°F40°F
    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 entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

    Average Hourly Temperature

    Average Hourly Temperature at Athens-Ben Epps Airport12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecchillycoldcoolcomfortablewarmhot
    The average hourly temperature, color coded into bands: frigid < 15°F < freezing < 32°F < chilly < 45°F < cold < 55°F < cool < 65°F < comfortable < 75°F < warm < 85°F < hot < 95°F < sweltering. The shaded overlays indicate night and civil twilight.

    Clouds

    At Athens-Ben Epps Airport, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

    The clearer part of the year at Athens-Ben Epps Airport begins around July 29 and lasts for 3.9 months, ending around November 25. On October 8, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 67% of the time, and overcast or mostly cloudy 33% of the time.

    The cloudier part of the year begins around November 25 and lasts for 8.1 months, ending around July 29. On January 4, the cloudiest day of the year, the sky is overcast or mostly cloudy 52% of the time, and clear, mostly clear, or partly cloudy 48% of the time.

    Cloud Cover

    Cloud Cover at Athens-Ben Epps Airportclearercloudiercloudier0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 452%Jan 452%Oct 833%Oct 833%Jul 2943%Jul 2943%Nov 2543%Nov 2543%overcastmostly cloudypartly cloudymostly clearclear
    The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds: clear < 20% < mostly clear < 40% < partly cloudy < 60% < mostly cloudy < 80% < overcast.

    Precipitation

    A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Athens-Ben Epps Airport varies throughout the year.

    The wetter season lasts 3.5 months, from May 16 to August 30, with a greater than 31% chance of a given day being a wet day. The chance of a wet day peaks at 42% on July 9.

    The drier season lasts 8.5 months, from August 30 to May 16. The smallest chance of a wet day is 20% on October 15.

    Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 42% on July 9.

    Daily Chance of Precipitation

    Daily Chance of Precipitation at Athens-Ben Epps Airportwetdrydry0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 942%Jul 942%Oct 1520%Oct 1520%Jan 129%Jan 129%May 1631%May 1631%Aug 3031%Aug 3031%snowmixedrain
    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 months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Athens-Ben Epps Airport experiences some seasonal variation in monthly rainfall.

    Rain falls throughout the year at Athens-Ben Epps Airport. The most rain falls during the 31 days centered around March 1, with an average total accumulation of 4.5 inches.

    The least rain falls around October 28, with an average total accumulation of 2.9 inches.

    Average Monthly Rainfall

    Average Monthly Rainfall at Athens-Ben Epps Airport0 in2 in4 in6 in8 inJanFebMarAprMayJunJulAugSepOctNovDecMar 14.5 inMar 14.5 inOct 282.9 inOct 282.9 inSep 253.6 inSep 253.6 inJul 23.5 inJul 23.5 inMay 153.0 inMay 153.0 in
    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 liquid-equivalent snowfall.

    Snowfall

    The sliding 31-day liquid-equivalent quantity of snowfall at Athens-Ben Epps Airport does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.

    Average Liquid-Equivalent Monthly Snowfall

    Average Liquid-Equivalent Monthly Snowfall at Athens-Ben Epps Airportsnowsnow0 in1 in2 in3 in4 in5 inJanFebMarAprMayJunJulAugSepOctNovDecJan 230.1 inJan 230.1 inJul 240.0 inJul 240.0 inJan 10.1 inJan 10.1 in
    The average liquid-equivalent snowfall (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 rainfall.

    Sun

    The length of the day at Athens-Ben Epps Airport varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 54 minutes of daylight; the longest day is June 21, with 14 hours, 25 minutes of daylight.

    Hours of Daylight and Twilight

    Hours of Daylight and Twilight at Athens-Ben Epps Airport0 hr4 hr8 hr12 hr16 hr20 hr24 hrJanFebMarAprMayJunJulAugSepOctNovDec12 hr, 6 minMar 2012 hr, 6 minMar 2014 hr, 25 minJun 2114 hr, 25 minJun 2112 hr, 8 minSep 2212 hr, 8 minSep 229 hr, 54 minDec 219 hr, 54 minDec 21nightnightday
    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 is at 6:21 AM on June 12, and the latest sunrise is 1 hour, 34 minutes later at 7:55 AM on November 4. The earliest sunset is at 5:23 PM on December 4, and the latest sunset is 3 hours, 24 minutes later at 8:48 PM on June 29.

    Daylight saving time (DST) is observed at Athens-Ben Epps Airport during 2017, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5.

    Sunrise & Sunset with Twilight and Daylight Saving Time

    Sunrise & Sunset with Twilight and Daylight Saving Time at Athens-Ben Epps Airport2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDecJun 126:21 AMJun 126:21 AM8:48 PMJun 298:48 PMJun 29Dec 45:23 PMDec 45:23 PM7:55 AMNov 47:55 AMNov 4Mar 12DSTMar 12DSTDSTNov 5DSTNov 5daynightnightnightnight
    The solar day over the course of the year 2017. 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 transitions to and from daylight saving time are indicated by the 'DST' labels.

    Humidity

    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.

    Athens-Ben Epps Airport experiences extreme seasonal variation in the perceived humidity.

    The muggier period of the year lasts for 4.5 months, from May 18 to October 2, during which time the comfort level is muggy, oppressive, or miserable at least 22% of the time. The muggiest day of the year is July 25, with muggy conditions 87% of the time.

    The least muggy day of the year is February 2, when muggy conditions are essentially unheard of.

    Humidity Comfort Levels

    Humidity Comfort Levels at Athens-Ben Epps Airportmuggy0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecFeb 20%Feb 20%87%Jul 2587%Jul 25May 1822%May 1822%Oct 222%Oct 222%miserablemiserableoppressiveoppressivemuggymuggydrydry
    The percentage of time spent at various humidity comfort levels, categorized by dew point: dry < 55°F < comfortable < 60°F < humid < 65°F < muggy < 70°F < oppressive < 75°F < miserable.

    Wind

    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-Ben Epps Airport does not vary significantly over the course of the year, remaining within 0.5 miles per hour of 2.2 miles per hour throughout.

    Average Wind Speed

    Average Wind Speed at Athens-Ben Epps Airport0.0 mph0.5 mph1.0 mph1.5 mph2.0 mph2.5 mph3.0 mph3.5 mph4.0 mphJanFebMarAprMayJunJulAugSepOctNovDecMar 82.7 mphMar 82.7 mphAug 51.7 mphAug 51.7 mph
    The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

    The predominant average hourly wind direction at Athens-Ben Epps Airport varies throughout the year.

    The wind is most often from the east for 3.0 months, from August 12 to November 13, with a peak percentage of 43% on September 7. The wind is most often from the west for 9.0 months, from November 13 to August 12, with a peak percentage of 42% on January 1.

    Wind Direction

    Wind Direction at Athens-Ben Epps AirportWEW0%20%40%60%80%100%JanFebMarAprMayJunJulAugSepOctNovDecwestsoutheastnorth
    The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions (north, east, south, and west), excluding hours in which the mean wind speed is less than 1 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

    Solar Energy

    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 experiences significant seasonal variation over the course of the year.

    The brighter period of the year lasts for 4.4 months, from April 12 to August 25, with an average daily incident shortwave energy per square meter above 5.9 kWh. The brightest day of the year is June 6, with an average of 6.8 kWh.

    The darker period of the year lasts for 2.8 months, from November 12 to February 6, with an average daily incident shortwave energy per square meter below 3.4 kWh. The darkest day of the year is December 20, with an average of 2.6 kWh.

    Average Daily Incident Shortwave Solar Energy

    Average Daily Incident Shortwave Solar Energy at Athens-Ben Epps Airportbrightdarkdark0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJanFebMarAprMayJunJulAugSepOctNovDecJun 66.8 kWhJun 66.8 kWhDec 202.6 kWhDec 202.6 kWhApr 125.9 kWhApr 125.9 kWhAug 255.9 kWhAug 255.9 kWhNov 123.4 kWhNov 123.4 kWhFeb 63.4 kWhFeb 63.4 kWh
    The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

    Topography

    For the purposes of this report, the geographical coordinates of Athens-Ben Epps Airport are 33.948 deg latitude, -83.327 deg longitude, and 712 ft elevation.

    The topography within 2 miles of Athens-Ben Epps Airport contains only modest variations in elevation, with a maximum elevation change of 223 feet and an average elevation above sea level of 722 feet. Within 10 miles also contains only modest variations in elevation (456 feet). Within 50 miles contains only modest variations in elevation (2,287 feet).

    The area within 2 miles of Athens-Ben Epps Airport is covered by artificial surfaces (62%) and trees (34%), within 10 miles by trees (61%) and cropland (24%), and within 50 miles by trees (66%) and cropland (20%).

    Data Sources

    This report illustrates the typical weather at Athens-Ben Epps 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-Ben Epps 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 include but are not limited to Barrow County Airport, Greene County Regional Airport, Washington-Wilkes County Airport, Lee Gilmer Memorial Airport, Baldwin County Airport, Anderson County Airport, Clemson-Oconee County Airport, and Thomson-McDuffie County 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 Tables of the Sun, Moon and Planets , 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 aiports 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.