UV Index in Roswell, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Roswell, United States, especially given the city's BSk climate, which often results in intense sunlight and elevated UV levels. The UV Index provides real-time information about the strength of ultraviolet radiation, helping you make informed decisions to protect your skin and prevent harmful effects like sunburn and long-term skin damage. With levels peaking at a significant 12 around midday, awareness of these fluctuations can be pivotal for anyone spending time outdoors. By being mindful of the UV Index, you can enjoy the beautiful Roswell sunshine while keeping your skin healthy and safe.

Hourly UV Index in Roswell

The UV Index reaches its peak intensity at 1 PM, soaring to an alarming 12. Early morning starts off gently, with indices of 1 at 7 AM and gradually rising to 2 by 8 AM. By 9 AM, the index jumps to 4, hinting at more intense sun exposure to come. As the day progresses, it escalates rapidly, hitting 7 by 10 AM and 9 at 11 AM. The sun is at its zenith at noon, with a robust 11. After this peak, a slight decline begins, but caution is still advised as the values remain significant, dropping to 8 at 3 PM and tapering off to 3 by 5 PM. The UV risk diminishes further into the evening, returning to a calmer 1 by 7 PM. Stay protected during those midday hours to enjoy the sun safely!

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
09:004moderate30 min
10:007high25 min
11:009very high15 min
12:0011extreme10 min
13:0012extreme10 min
14:0011extreme10 min
15:008very high15 min
16:006high25 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Roswell

The UV Index shows significant seasonal changes, with the highest risk months occurring from March to August, where the Index peaks at 12 during the summer. In these months, the exposure category is classified as extreme, resulting in a quick burn time of just 10 minutes. Conversely, the UV Index starts at a moderate level of 5 in January and decreases to 4 in December. It's crucial for visitors and residents to take precautions during the high-risk months by using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. Awareness of the UV Index can help everyone enjoy the outdoors safely while minimizing the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Roswell, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Roswell. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121210864
Data source: Statistical UV Index data for Roswell, 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 Roswell UV Index with Other United States Cities

The table above highlights how UV exposure in Roswell 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.
Roswell'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
Roswell579111212121210864
Houston UVI589111112121110975