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May Weather in San Pietro, Italy

Last updated: August 23, 2025

In San Pietro, Italy, the average temperature in May reaches a comfortable 18°C (65°F), with a minimum of 9°C (48°F) and a maximum that can soar to 29°C (85°F). Expect about 54 mm (2.1 in) of precipitation spread over 6 days, complemented by an average humidity of 71%. Ideal for those who enjoy mild weather with a hint of moisture!

May Temperature in San Pietro

In May in San Pietro, the average temperature is 18°C (65°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 9°C (48°F). This pleasant climate makes San Pietro an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates May temperature patterns in San Pietro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pietro, May typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec485052576573787972645852
Data source: Temperature data for San Pietro 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 Pietro

In San Pietro in May, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

May Precipitation Trends in San Pietro

The chart displays monthly precipitation patterns in San Pietro, 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 Pietro, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6056555255311827435810361
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Pietro

In San Pietro 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 San Pietro

This chart illustrates the average monthly humidity levels in San Pietro, 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 Pietro is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%74%70%71%71%65%61%56%66%74%80%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Pietro

In San Pietro in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Pietro.

Maximum UV Index Levels in San Pietro for May

The chart shows the monthly maximum UV Index (UVI) for San Pietro 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 Pietro typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3457991097632
Data source: San Pietro 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 Pietro Compares to Other Months

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

This table compares monthly weather conditions in San Pietro, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)60 mm (2.4 inches)82%moderate
February Weather10°C (51°F)56 mm (2.2 inches)74%moderate
March Weather11°C (52°F)55 mm (2.2 inches)70%moderate
April Weather14°C (57°F)52 mm (2.0 inches)71%high
May Weather18°C (65°F)54 mm (2.1 inches)71%very high
June Weather23°C (74°F)31 mm (1.2 inches)65%very high
July Weather26°C (78°F)18 mm (0.7 inches)61%very high
August Weather26°C (80°F)27 mm (1.1 inches)56%very high
September Weather22°C (73°F)43 mm (1.7 inches)66%high
October Weather18°C (64°F)58 mm (2.3 inches)74%high
November Weather15°C (59°F)103 mm (4.1 inches)80%moderate
December Weather11°C (52°F)61 mm (2.4 inches)82%low

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