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May Weather in Porretta Terme, Italy

Last updated: August 23, 2025

In May, the average temperature in Porretta Terme, Italy hovers around 14°C (58°F). Temperatures can vary significantly, with a minimum of 2°C (36°F) and a comfortable maximum of 27°C (82°F). Visitors can expect 166 mm (6.5 in) of precipitation over approximately 18 days, resulting in an average humidity of 70%.

May Temperature in Porretta Terme

In May in Porretta Terme, the average temperature is 14°C (58°F). The maximum can reach 27°C (82°F) and the minimum can be as low as 2°C (36°F). This makes it a great time to explore Porretta Terme, as you can enjoy mild weather ideal for outdoor activities.

May Weather in Porretta Terme: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Porretta Terme, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porretta Terme, May typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec374144515868717263554639
Data source: Temperature data for Porretta Terme 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 Porretta Terme

In Porretta Terme in May, the total precipitation amount is 166 mm (6.5 in) over a span of 18 days.

May Precipitation Trends in Porretta Terme

The chart displays monthly precipitation patterns in Porretta Terme, 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 Porretta Terme, May typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec4592729416669728111498162117
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Porretta Terme

In Porretta Terme in May, humidity is 70%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace that can make outdoor activities feel sticky and exhausting, potentially limiting your exploration to cooler hours of the day.

May Average Humidity in Porretta Terme

This chart illustrates the average monthly humidity levels in Porretta Terme, 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 Porretta Terme 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 Porretta Terme

In Porretta Terme 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 Porretta Terme.

Maximum UV Index Levels in Porretta Terme for May

The chart shows the monthly maximum UV Index (UVI) for Porretta Terme 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 Porretta Terme typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Porretta Terme 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 Porretta Terme Compares to Other Months

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

This table compares monthly weather conditions in Porretta Terme, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)45 mm (1.8 inches)87%low
February Weather5°C (41°F)92 mm (3.6 inches)79%moderate
March Weather7°C (44°F)72 mm (2.8 inches)69%high
April Weather11°C (51°F)94 mm (3.7 inches)71%high
May Weather14°C (58°F)166 mm (6.5 inches)70%very high
June Weather20°C (68°F)69 mm (2.7 inches)65%very high
July Weather22°C (72°F)72 mm (2.8 inches)61%very high
August Weather22°C (72°F)81 mm (3.2 inches)54%very high
September Weather17°C (64°F)114 mm (4.5 inches)66%high
October Weather13°C (55°F)98 mm (3.9 inches)83%moderate
November Weather8°C (46°F)162 mm (6.4 inches)88%moderate
December Weather4°C (39°F)117 mm (4.6 inches)85%low

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