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May Weather in Athens, United States

Last updated: June 24, 2025

In May, the average temperature in Athens, United States hovers around 14°C (57°F). Expect a minimum of -2°C (28°F) and a maximum of 34°C (93°F), showcasing the season’s dramatic temperature swings. Precipitation averages 114 mm (4.5 in) over 13 days, contributing to an average humidity of 79%. Prepare for a month of varied weather!

May Temperature in Athens

In May in Athens, the average temperature is 14°C (57°F). Maximums can reach 34°C (93°F) and minimums can be as low as -2°C (28°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for 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 14°C (57°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec161731415667716761463223
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 total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 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 114 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec34515399114105126131881145053
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 79%. With an average temperature of 14°C (57°F), this humidity feels like a warm, sticky embrace that can make even short strolls feel exhausting, creating a sense of heaviness in the air that might dampen your adventurous spirit 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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
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 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 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
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 Weather-9°C (17°F)34 mm (1.3 inches)88%low
February Weather-9°C (17°F)51 mm (2.0 inches)89%moderate
March Weather-1°C (31°F)53 mm (2.1 inches)86%moderate
April Weather5°C (42°F)99 mm (3.9 inches)85%high
May Weather14°C (57°F)114 mm (4.5 inches)79%very high
June Weather19°C (67°F)105 mm (4.1 inches)80%very high
July Weather22°C (71°F)126 mm (5.0 inches)80%very high
August Weather19°C (67°F)131 mm (5.1 inches)78%very high
September Weather16°C (61°F)88 mm (3.5 inches)80%high
October Weather8°C (47°F)114 mm (4.5 inches)84%moderate
November Weather0°C (32°F)50 mm (2.0 inches)89%moderate
December Weather-5°C (23°F)52 mm (2.1 inches)85%low

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