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May Weather in Castellaneta, Italy

Last updated: August 23, 2025

In May, the average temperature in Castellaneta, Italy hovers around 18°C (65°F). Expect a range where it can dip to as low as 6°C (42°F) or rise to a sweltering 33°C (91°F). During this month, anticipate 62 mm (2.4 in) of precipitation over approximately 8 days, contributing to an average humidity of 71%.

May Temperature in Castellaneta

In May in Castellaneta, the average temperature is 18°C (65°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 6°C (42°F). This makes Castellaneta a perfect destination for travelers seeking a mild climate with warm days and cooler nights.

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

The chart illustrates May temperature patterns in Castellaneta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellaneta, May typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec454951576575798072635749
Data source: Temperature data for Castellaneta 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 Castellaneta

In Castellaneta in May, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

May Precipitation Trends in Castellaneta

The chart displays monthly precipitation patterns in Castellaneta, 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 Castellaneta, May typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5157545862432232455811252
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castellaneta

In Castellaneta 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 Castellaneta

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

In Castellaneta 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 Castellaneta.

Maximum UV Index Levels in Castellaneta for May

The chart shows the monthly maximum UV Index (UVI) for Castellaneta 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 Castellaneta typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Castellaneta 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 Castellaneta Compares to Other Months

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

This table compares monthly weather conditions in Castellaneta, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)51 mm (2.0 inches)82%moderate
February Weather9°C (49°F)57 mm (2.3 inches)74%moderate
March Weather10°C (51°F)54 mm (2.1 inches)70%high
April Weather14°C (57°F)58 mm (2.3 inches)71%very high
May Weather18°C (65°F)62 mm (2.4 inches)71%very high
June Weather24°C (75°F)43 mm (1.7 inches)65%very high
July Weather26°C (79°F)22 mm (0.9 inches)61%very high
August Weather27°C (80°F)32 mm (1.2 inches)56%very high
September Weather22°C (72°F)45 mm (1.8 inches)66%very high
October Weather17°C (63°F)58 mm (2.3 inches)74%high
November Weather14°C (57°F)112 mm (4.4 inches)80%moderate
December Weather10°C (50°F)52 mm (2.0 inches)82%low

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