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May Weather in Naples, United States

Last updated: June 24, 2025

In Naples, United States, the average temperature in May reaches a pleasant 23°C (73°F). However, temperatures can vary significantly, with a minimum of 9°C (48°F) and a maximum of 35°C (95°F). Expect 163 mm (6.4 in) of precipitation over 13 days, contributing to an average humidity of 81%. Embrace the mild conditions while staying prepared for occasional rain!

May Temperature in Naples

In May in Naples, the average temperature is 23°C (73°F). The maximum can reach 35°C (95°F), while the minimum can drop to as low as 9°C (48°F). This variety in temperatures makes Naples an ideal destination for travelers seeking a mix of warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Naples, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naples, May typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959647380838378675551
Data source: Temperature data for Naples 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 Naples

In Naples in May, the total precipitation amount is 163 mm (6.4 in), occurring over the course of 13 days.

May Precipitation Trends in Naples

The chart displays monthly precipitation patterns in Naples, 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 Naples, May typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10314613119916410379848612067118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Naples

In Naples in May, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

May Average Humidity in Naples

This chart illustrates the average monthly humidity levels in Naples, 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 Naples is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Naples

In Naples in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Naples.

Maximum UV Index Levels in Naples for May

The chart shows the monthly maximum UV Index (UVI) for Naples 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 Naples typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112111110864
Data source: Naples 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 Naples Compares to Other Months

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

This table compares monthly weather conditions in Naples, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)102 mm (4.0 inches)82%moderate
February Weather9°C (49°F)146 mm (5.8 inches)80%high
March Weather15°C (59°F)130 mm (5.1 inches)78%very high
April Weather18°C (64°F)198 mm (7.8 inches)79%very high
May Weather23°C (73°F)163 mm (6.4 inches)81%extreme
June Weather27°C (80°F)103 mm (4.1 inches)77%extreme
July Weather28°C (84°F)79 mm (3.1 inches)72%extreme
August Weather28°C (83°F)83 mm (3.3 inches)65%extreme
September Weather26°C (78°F)86 mm (3.4 inches)63%very high
October Weather20°C (67°F)120 mm (4.7 inches)70%very high
November Weather13°C (55°F)67 mm (2.6 inches)82%high
December Weather10°C (51°F)118 mm (4.6 inches)88%moderate

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