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May Weather in Castel San Giovanni, Italy

Last updated: August 23, 2025

In May, the average temperature in Castel San Giovanni, Italy hovers around 17°C (63°F), with daily highs reaching up to 32°C (89°F) and lows dipping as low as 5°C (41°F). You can expect about 118 mm (4.7 in) of precipitation over 15 days, contributing to an average humidity of 74%. Ideal for those who enjoy a mix of mild temperatures and occasional showers!

May Temperature in Castel San Giovanni

In May in Castel San Giovanni, the average temperature is 17°C (63°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 5°C (41°F). Travelers should be prepared for a mix of warm and cool weather, making it ideal for layering clothing.

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

The chart illustrates May temperature patterns in Castel San Giovanni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel San Giovanni, May typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (89°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec384348556373767667574839
Data source: Temperature data for Castel San Giovanni 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 Castel San Giovanni

In Castel San Giovanni in May, the total precipitation amount is 118 mm (4.7 in) spread over 15 days.

May Precipitation Trends in Castel San Giovanni

The chart displays monthly precipitation patterns in Castel San Giovanni, 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 Castel San Giovanni, May typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec345458721187186771048413497
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castel San Giovanni

In Castel San Giovanni in May, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

May Average Humidity in Castel San Giovanni

This chart illustrates the average monthly humidity levels in Castel San Giovanni, 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 Castel San Giovanni is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Castel San Giovanni

In Castel San Giovanni 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 Castel San Giovanni.

Maximum UV Index Levels in Castel San Giovanni for May

The chart shows the monthly maximum UV Index (UVI) for Castel San Giovanni 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 Castel San Giovanni typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986532
Data source: Castel San Giovanni 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 Castel San Giovanni Compares to Other Months

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

This table compares monthly weather conditions in Castel San Giovanni, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)34 mm (1.3 inches)88%low
February Weather6°C (43°F)54 mm (2.1 inches)81%moderate
March Weather9°C (48°F)58 mm (2.3 inches)76%moderate
April Weather13°C (55°F)72 mm (2.8 inches)77%high
May Weather17°C (63°F)118 mm (4.7 inches)74%very high
June Weather23°C (73°F)71 mm (2.8 inches)71%very high
July Weather24°C (76°F)86 mm (3.4 inches)67%very high
August Weather24°C (76°F)77 mm (3.0 inches)64%very high
September Weather19°C (67°F)103 mm (4.1 inches)74%high
October Weather14°C (58°F)84 mm (3.3 inches)87%moderate
November Weather9°C (48°F)134 mm (5.3 inches)88%moderate
December Weather4°C (39°F)97 mm (3.8 inches)85%low

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