UV Index in Cudjoe Key, United States

Last updated: August 1, 2025

In Cudjoe Key, United States, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding daily UV levels allows residents and visitors alike to make informed decisions about sun protection, especially during the peak hours when the index can soar to 12—a level indicating extreme risk! With its tropical climate, Cudjoe Key experiences significant UV exposure, particularly between 11:00 AM and 2:00 PM when indices can reach their highest levels. Stay vigilant and protect your skin to fully enjoy the beautiful Florida Keys sunshine!

Hourly UV Index in Cudjoe Key

As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed hours!

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
08:001low45 min
09:002low45 min
10:005moderate30 min
11:008very high15 min
12:0010very high15 min
13:0012extreme10 min
14:0012extreme10 min
15:0010very high15 min
16:007high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Cudjoe Key

Throughout the year, UV Index levels fluctuate significantly, reaching their peak during the warmer months. From January to December, the high-risk months for UV exposure are February through September, where the index consistently falls within the very high to extreme categories. Particularly alarming are March, April, May, June, July, August, and September, with a persistent index of 11 or higher, resulting in a burn time as short as 10 minutes. To protect against skin damage, it is crucial for both visitors and residents to take preventive measures during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when the sun's rays are strongest. As October to December approach, while the UV levels decrease, caution is still advised with burn times of 15 to 25 minutes in November and December. Always stay informed and protect your skin year-round!

Monthly Maximum UV Index for Cudjoe Key, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cudjoe Key. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec69111212131212111086
Data source: Statistical UV Index data for Cudjoe Key, 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 Cudjoe Key UV Index with Other United States Cities

The table above highlights how UV exposure in Cudjoe Key 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.
Cudjoe Key'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
Los Angeles UVI46891011111010754
Houston UVI589111112121110975
Cudjoe Key69111212131212111086