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May Weather in Grevena, Greece

Last updated: August 23, 2025

In May, the average temperature in Grevena, Greece hovers around 17°C (63°F), with extremes ranging from a chilly 4°C (40°F) to a sweltering 34°C (94°F). Expect an average precipitation of 54 mm (2.1 in) over 9 days, contributing to a relatively high average humidity of 72%.

May Temperature in Grevena

In May in Grevena, the average temperature is 17°C (63°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 4°C (40°F). This climate makes Grevena a perfect destination for travelers seeking a diverse range of weather experiences.

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

The chart illustrates May temperature patterns in Grevena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grevena, May typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec364145536270767668574941
Data source: Temperature data for Grevena 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 Grevena

In Grevena in May, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

May Precipitation Trends in Grevena

The chart displays monthly precipitation patterns in Grevena, 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 Grevena, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec81817155546442282059102106
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grevena

In Grevena in May, humidity is 72%. With an average temperature of 17°C (63°F), this humidity feels like a muggy embrace, making outdoor activities a bit sticky and requiring plenty of hydration for a comfortable travel experience.

May Average Humidity in Grevena

This chart illustrates the average monthly humidity levels in Grevena, 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 Grevena is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grevena

In Grevena in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Grevena.

Maximum UV Index Levels in Grevena for May

The chart shows the monthly maximum UV Index (UVI) for Grevena 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 Grevena typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101110108643
Data source: Grevena 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 Grevena Compares to Other Months

Weather in Grevena varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Grevena, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Grevena, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)80 mm (3.2 inches)84%moderate
February Weather5°C (42°F)81 mm (3.2 inches)78%moderate
March Weather7°C (46°F)71 mm (2.8 inches)75%high
April Weather12°C (53°F)55 mm (2.2 inches)70%very high
May Weather17°C (63°F)54 mm (2.1 inches)72%very high
June Weather21°C (70°F)64 mm (2.5 inches)60%extreme
July Weather24°C (76°F)42 mm (1.7 inches)56%very high
August Weather24°C (76°F)28 mm (1.1 inches)47%very high
September Weather20°C (68°F)20 mm (0.8 inches)56%very high
October Weather14°C (57°F)59 mm (2.3 inches)70%high
November Weather9°C (49°F)102 mm (4.0 inches)80%moderate
December Weather5°C (41°F)106 mm (4.2 inches)83%moderate

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