UV Index in Naples, United States

Last updated: June 2, 2025

Understanding the UV Index in Naples, United States is crucial for safeguarding your skin and overall health. With the sun’s rays reaching their peak during the warm, sunny days typical of Naples’ Dfb climate, being aware of UV levels can help you take proactive steps against sunburn and long-term skin damage. During midday hours, the UV Index often climbs to 10, indicating a very high risk of harm from unprotected sun exposure. By recognizing these levels, you can better plan your outdoor activities, ensuring that you enjoy all that Naples has to offer while keeping your skin safe and healthy.

Hourly UV Index in Naples

As the sun rises, the UV Index begins its ascent, peaking at an invigorating 10 by 1:00 PM. Early morning, from 7:00 AM to 8:00 AM, sees a mild 1 to 2, making it a perfect time for a leisurely stroll. By 9:00 AM, the UV Index reaches 3, signaling a need for some sun protection. The real intensity kicks in around 11:00 AM, hitting 8, and just after noon, it soars to its daily maximum of 9. The afternoon hours see a slight decline, with values tapering from 9 at 2:00 PM to 6 by 4:00 PM. As daylight wanes, the UV Index gently drops to 1 by 7:00 PM, wrapping up a day of vibrant sunlight but reminding us to stay vigilant during those peak hours. Remember to reapply sunscreen and seek shade to keep safe while enjoying those sunny moments!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:003moderate30 min
10:006high25 min
11:008very high15 min
12:009very high15 min
13:0010very high15 min
14:009very high15 min
15:008very high15 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Naples

During the year, the UV Index shows significant seasonal variations, with peak levels reached in late spring and summer. The highest risk months are from April to September, where the UV Index often exceeds 8, categorized as very high. Particularly, May through August sees a consistent UV Index of 10, indicating a burn time of just 15 minutes for unprotected skin. In contrast, January, February, November, and December have much lower UV levels, with burn times spiking up to 45 minutes during December. To protect against skin damage, visitors and residents should take extra precautions during the high-risk months by wearing sunscreen with high SPF, protective clothing, and seeking shade, especially during peak hours.

Monthly Maximum UV Index for Naples, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Naples. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Statistical UV Index data for Naples, based on 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.

Compare Naples UV Index with Other United States Cities

The table above highlights how UV exposure in Naples compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Naples's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Chicago UVI34689101098642
Brooklyn UVI35681010998642
New York City UVI35681010998642
Naples346810101098642
Los Angeles UVI46891011111010754
Houston UVI589111112121110975