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May Weather in Athens, United States

Last updated: June 24, 2025

In Athens, United States, the average temperature in May reaches a comfortable 17°C (62°F). However, temperatures can vary significantly, with a minimum of -1°C (30°F) and a maximum of 30°C (87°F). Expect a total precipitation of 144 mm (5.7 in) spread over 17 days, contributing to an average humidity of 83%. Whether you're planning outdoor activities or cozy indoor moments, be prepared for a mix of weather!

May Temperature in Athens

In May in Athens, the average temperature is 17°C (62°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as -1°C (30°F). This variability makes it advisable for travelers to pack layers and be prepared for both warm and cooler conditions.

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 17°C (62°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec343944526268727066574238
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.

May Precipitation in Athens

In Athens in May, the precipitation amount is 144 mm (5.7 in) over the course of 17 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 144 mm (5.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec8213510512314411990111981217199
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Athens

In Athens in May, humidity is 83%. With an average temperature of 17°C (62°F), this humidity feels like traveling through a thick blanket of warmth, making every step feel heavy and inviting frequent breaks to cool down and hydrate.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)82 mm (3.2 inches)87%moderate
February Weather4°C (40°F)135 mm (5.3 inches)87%high
March Weather7°C (44°F)105 mm (4.1 inches)86%very high
April Weather11°C (53°F)123 mm (4.8 inches)84%very high
May Weather17°C (62°F)144 mm (5.7 inches)83%extreme
June Weather20°C (68°F)119 mm (4.7 inches)83%extreme
July Weather22°C (72°F)90 mm (3.5 inches)79%extreme
August Weather21°C (71°F)111 mm (4.4 inches)66%very high
September Weather19°C (66°F)98 mm (3.8 inches)68%very high
October Weather14°C (57°F)121 mm (4.8 inches)78%high
November Weather6°C (43°F)71 mm (2.8 inches)89%moderate
December Weather4°C (39°F)99 mm (3.9 inches)86%moderate

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