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May Weather in Petriolo, Italy

Last updated: August 23, 2025

In May, the average temperature in Petriolo, Italy hovers around 18°C (65°F). While the mercury can dip to a cool 6°C (43°F), it can also soar to a balmy 31°C (89°F). Expect about 91 mm (3.6 in) of precipitation over 12 days, with an average humidity level of 71%. Stay prepared for a variety of weather conditions!

May Temperature in Petriolo

In May in Petriolo, the average temperature is 18°C (65°F). Maximums can reach 31°C (89°F), while minimums can be as low as 6°C (43°F). This makes Petriolo a comfortable destination for travelers looking to enjoy mild weather with warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Petriolo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petriolo, May typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (89°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec434649566474787969615446
Data source: Temperature data for Petriolo 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 Petriolo

In Petriolo in May, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

May Precipitation Trends in Petriolo

The chart displays monthly precipitation patterns in Petriolo, 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 Petriolo, May typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5463715591304129705010381
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Petriolo

In Petriolo in May humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

May Average Humidity in Petriolo

This chart illustrates the average monthly humidity levels in Petriolo, 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 Petriolo is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%69%71%71%63%59%54%67%79%84%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Petriolo

In Petriolo 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 Petriolo.

Maximum UV Index Levels in Petriolo for May

The chart shows the monthly maximum UV Index (UVI) for Petriolo 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 Petriolo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24678101097532
Data source: Petriolo 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 Petriolo Compares to Other Months

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

This table compares monthly weather conditions in Petriolo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)54 mm (2.1 inches)85%low
February Weather8°C (47°F)63 mm (2.5 inches)78%moderate
March Weather10°C (50°F)71 mm (2.8 inches)69%high
April Weather13°C (56°F)54 mm (2.1 inches)71%high
May Weather18°C (65°F)91 mm (3.6 inches)71%very high
June Weather23°C (74°F)30 mm (1.2 inches)63%very high
July Weather25°C (78°F)41 mm (1.6 inches)59%very high
August Weather26°C (79°F)29 mm (1.2 inches)54%very high
September Weather21°C (70°F)70 mm (2.7 inches)67%high
October Weather16°C (61°F)50 mm (2.0 inches)78%moderate
November Weather12°C (54°F)103 mm (4.1 inches)84%moderate
December Weather8°C (46°F)81 mm (3.2 inches)86%low

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