August Weather in Athens, United States

Last updated: June 24, 2025

In August, the average temperature in Athens, United States hovers around 20°C (67°F). Visitors can expect a minimum chill of 6°C (44°F) and a maximum warmth reaching 33°C (91°F). With an average humidity of 74%, the month typically features 79 mm (3.1 in) of precipitation spread over 11 days. Don't forget your umbrella!

August Temperature in Athens

In August in Athens, the average temperature is 20°C (67°F). Maximums can reach 33°C (91°F), and minimums can dip as low as 6°C (44°F). Be prepared for warm days and cool evenings when planning your travels.

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 20°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 6°C (44°F).

Data source: Temperature data for Athens generated using information from the Copernicus Climate Change Service.

August Precipitation in Athens

In Athens in August, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 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 79 mm (3.1 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Athens

In Athens in August humidity is 74%. With an average temperature of 20°C (67°F), this humidity feels like a warm, tropical embrace that can make traveling feel a bit stifling, causing you to sweat and prompting frequent breaks in the shade to cool off.

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 74%, offering insight into how humid the weather typically is during this month.

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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	87 mm (3.4 inches)	88%	low
February Weather	-7°C (21°F)	83 mm (3.3 inches)	88%	moderate
March Weather	-2°C (28°F)	74 mm (2.9 inches)	85%	moderate
April Weather	5°C (41°F)	125 mm (4.9 inches)	81%	very high
May Weather	12°C (54°F)	91 mm (3.6 inches)	76%	very high
June Weather	17°C (63°F)	87 mm (3.4 inches)	74%	very high
July Weather	20°C (69°F)	104 mm (4.1 inches)	74%	very high
August Weather	20°C (67°F)	79 mm (3.1 inches)	74%	very high
September Weather	15°C (60°F)	73 mm (2.9 inches)	77%	high
October Weather	9°C (48°F)	131 mm (5.2 inches)	82%	moderate
November Weather	1°C (34°F)	112 mm (4.4 inches)	85%	moderate
December Weather	-5°C (23°F)	120 mm (4.7 inches)	84%	low