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August Weather in Athens, United States

Last updated: June 24, 2025

In August, the average temperature in Athens, United States reaches a warm 29°C (85°F). During this month, you can expect the temperature to fluctuate with a minimum of 19°C (66°F) and a maximum of 39°C (103°F). Be prepared for some rain, as 77 mm (3.0 in) of precipitation typically falls over 8 days. The humidity levels are moderately high, averaging around 66%, making it a season of both warmth and moisture.

August Temperature in Athens

In August in Athens, the average temperature is 29°C (85°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 19°C (66°F). This pleasant warm weather makes it an ideal time for traveling and exploring the outdoor attractions in the area.

August Weather in Athens: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Athens, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Athens, August typically has an average temperature of 29°C (85°F), with highs reaching up to 39°C (103°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061657481858580695853
Data source: Temperature data for Athens generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Athens

In Athens in August, the precipitation amount is 77 mm (3.0 in) distributed over 8 days.

August Precipitation Trends in Athens

The chart displays monthly precipitation patterns in Athens, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Athens, August typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec941381221311779279778511169103
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Athens

In Athens in August, humidity is 66%. With an average temperature of 29°C (85°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel more intense as you navigate through the air, often causing you to sweat and seek shade more frequently.

August Average Humidity in Athens

This chart illustrates the average monthly humidity levels in Athens, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Athens is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Athens

In Athens in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Athens.

Maximum UV Index Levels in Athens for August

The chart shows the monthly maximum UV Index (UVI) for Athens in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Athens typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Athens August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Athens Compares to Other Months

Weather in Athens varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Athens, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Athens, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)94 mm (3.7 inches)80%moderate
February Weather10°C (51°F)138 mm (5.4 inches)79%high
March Weather16°C (61°F)122 mm (4.8 inches)78%very high
April Weather19°C (66°F)131 mm (5.2 inches)78%very high
May Weather23°C (74°F)177 mm (7.0 inches)81%extreme
June Weather27°C (81°F)92 mm (3.6 inches)78%extreme
July Weather29°C (85°F)79 mm (3.1 inches)73%extreme
August Weather29°C (85°F)77 mm (3.0 inches)66%extreme
September Weather26°C (80°F)85 mm (3.4 inches)65%very high
October Weather21°C (69°F)111 mm (4.4 inches)72%very high
November Weather14°C (58°F)69 mm (2.7 inches)82%high
December Weather12°C (53°F)103 mm (4.1 inches)87%moderate

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