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May Weather in Petriano, Italy

Last updated: August 23, 2025

In Petriano, Italy, the average temperature in May is a mild 17°C (63°F), with lows dipping to 5°C (42°F) and soaring highs of 28°C (83°F). Enjoy the refreshing ambiance, but be prepared for 99 mm (3.9 in) of precipitation over 12 days, contributing to an average humidity of 71%.

May Temperature in Petriano

In May in Petriano, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 28°C (83°F), while minimums can drop as low as 5°C (42°F). It's an ideal time for travelers to enjoy moderate weather and outdoor activities.

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

The chart illustrates May temperature patterns in Petriano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petriano, May typically has an average temperature of 17°C (63°F), with highs reaching up to 28°C (83°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548546372767768595245
Data source: Temperature data for Petriano 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 Petriano

In Petriano in May, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.

May Precipitation Trends in Petriano

The chart displays monthly precipitation patterns in Petriano, 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 Petriano, May typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4682636099405153967910182
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Petriano

In Petriano in May, humidity is 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

May Average Humidity in Petriano

This chart illustrates the average monthly humidity levels in Petriano, 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 Petriano 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 Petriano

In Petriano 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 Petriano.

Maximum UV Index Levels in Petriano for May

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

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

This table compares monthly weather conditions in Petriano, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)46 mm (1.8 inches)85%low
February Weather7°C (46°F)82 mm (3.2 inches)78%moderate
March Weather9°C (48°F)63 mm (2.5 inches)69%high
April Weather12°C (55°F)60 mm (2.4 inches)71%high
May Weather17°C (63°F)99 mm (3.9 inches)71%very high
June Weather22°C (73°F)40 mm (1.6 inches)63%very high
July Weather24°C (76°F)51 mm (2.0 inches)59%very high
August Weather25°C (77°F)53 mm (2.1 inches)54%very high
September Weather20°C (68°F)96 mm (3.8 inches)67%high
October Weather15°C (60°F)79 mm (3.1 inches)78%moderate
November Weather11°C (52°F)101 mm (4.0 inches)84%moderate
December Weather7°C (45°F)82 mm (3.2 inches)86%low

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