May Weather in Athens, United States

Last updated: June 24, 2025

In May, the average temperature in Athens, United States hovers around 12°C (54°F), with a minimum dipping to a chilly -2°C (28°F) and a maximum reaching a warm 33°C (91°F). Expect a total precipitation of 91 mm (3.6 in) spread over about 10 days, accompanied by an average humidity of 76%.

May Temperature in Athens

In May in Athens, the average temperature is 12°C (54°F), with maximums reaching 33°C (91°F) and minimums plunging as low as -2°C (28°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates May 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, May typically has an average temperature of 12°C (54°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Athens

In Athens in May, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

May Precipitation Trends in Athens

The chart displays monthly precipitation patterns in Athens, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Athens, May typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Athens

In Athens in May, humidity is 76%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration while exploring.

May Average Humidity in Athens

This chart illustrates the average monthly humidity levels in Athens, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Athens is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Athens

In Athens in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Athens.

Maximum UV Index Levels in Athens for May

The chart shows the monthly maximum UV Index (UVI) for Athens in May, 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 May, the maximum UV index in Athens typically reaches 9, which falls under the very high exposure category.

Data source: Athens May 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 May 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 May’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 May’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