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May Weather in San Gregorio, Italy

Last updated: August 23, 2025

In San Gregorio, Italy, the average temperature for May hovers around 18°C (65°F). Expect a range from a refreshing 7°C (44°F) to a balmy 32°C (91°F). During this month, the region typically sees 127 mm (5.0 in) of precipitation spread over 15 days, with an average humidity of 70%—making it a perfect time for lush landscapes and vibrant greenery.

May Temperature in San Gregorio

In May in San Gregorio, the average temperature is 18°C (65°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 7°C (44°F). This variability in temperature makes it essential to pack layers for your travels.

May Weather in San Gregorio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Gregorio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Gregorio, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (91°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec384449576575787869595041
Data source: Temperature data for San Gregorio 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 San Gregorio

In San Gregorio in May, the total precipitation amount is 127 mm (5.0 in) distributed over 15 days.

May Precipitation Trends in San Gregorio

The chart displays monthly precipitation patterns in San Gregorio, 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 San Gregorio, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec295854861277299901198613082
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Gregorio

In San Gregorio in May humidity is 70%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, though it can leave you feeling slightly sticky if you're on the move for too long.

May Average Humidity in San Gregorio

This chart illustrates the average monthly humidity levels in San Gregorio, 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 San Gregorio is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%79%69%71%70%65%61%54%66%83%88%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Gregorio

In San Gregorio 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 San Gregorio.

Maximum UV Index Levels in San Gregorio for May

The chart shows the monthly maximum UV Index (UVI) for San Gregorio 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 San Gregorio typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: San Gregorio 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 San Gregorio Compares to Other Months

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

This table compares monthly weather conditions in San Gregorio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)29 mm (1.1 inches)87%low
February Weather7°C (44°F)58 mm (2.3 inches)79%moderate
March Weather10°C (49°F)54 mm (2.1 inches)69%moderate
April Weather14°C (58°F)86 mm (3.4 inches)71%high
May Weather18°C (65°F)127 mm (5.0 inches)70%very high
June Weather24°C (75°F)72 mm (2.8 inches)65%very high
July Weather25°C (78°F)99 mm (3.9 inches)61%very high
August Weather26°C (78°F)90 mm (3.6 inches)54%very high
September Weather21°C (69°F)119 mm (4.7 inches)66%high
October Weather15°C (60°F)86 mm (3.4 inches)83%moderate
November Weather10°C (51°F)130 mm (5.1 inches)88%moderate
December Weather5°C (41°F)82 mm (3.2 inches)85%low

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