May Weather in Athens, United States

Last updated: June 24, 2025

In Athens, United States, the average temperature in May is a comfortable 23°C (74°F). However, temperatures can vary widely, with a minimum of 8°C (46°F) and reaching up to 36°C (96°F). Prepare for the season’s 177 mm (7.0 in) of precipitation over about 14 days and anticipate high humidity levels averaging 81%.

May Temperature in Athens

In May in Athens, the average temperature is 23°C (74°F), with maximums reaching 36°C (96°F) and minimums dropping as low as 8°C (46°F). This variation in temperature makes it essential for travelers to pack both light clothing for the warm days and warmer layers for the cooler nights.

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 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (46°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 total precipitation amount is 177 mm (7.0 in) spread over a duration of 14 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 177 mm (7.0 inches) of precipitation spread over approximately 14 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 81%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket draped over your skin, making travel feel a bit more sluggish and requiring plenty of water breaks to stay comfortable.

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 81%, 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 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 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 11, which falls under the extreme 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	9°C (49°F)	94 mm (3.7 inches)	80%	moderate
February Weather	10°C (51°F)	138 mm (5.4 inches)	79%	high
March Weather	16°C (61°F)	122 mm (4.8 inches)	78%	very high
April Weather	19°C (66°F)	131 mm (5.2 inches)	78%	very high
May Weather	23°C (74°F)	177 mm (7.0 inches)	81%	extreme
June Weather	27°C (81°F)	92 mm (3.6 inches)	78%	extreme
July Weather	29°C (85°F)	79 mm (3.1 inches)	73%	extreme
August Weather	29°C (85°F)	77 mm (3.0 inches)	66%	extreme
September Weather	26°C (80°F)	85 mm (3.4 inches)	65%	very high
October Weather	21°C (69°F)	111 mm (4.4 inches)	72%	very high
November Weather	14°C (58°F)	69 mm (2.7 inches)	82%	high
December Weather	12°C (53°F)	103 mm (4.1 inches)	87%	moderate