UV Index in Grand Tower, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Grand Tower, United States, as it serves as a vital indicator of the sun's harmful ultraviolet radiation levels. By being aware of the UV Index, you can effectively prevent sunburn and protect your skin health, which is especially important in this humid subtropical climate (Cfa) where midday UV levels can reach a peak of 11—a serious risk for unprotected skin. With typically intense sun exposure during the summer months, knowledge of UV levels empowers you to enjoy the outdoors safely while taking appropriate precautions. Stay informed, stay safe, and embrace the sunny days ahead!

Hourly UV Index in Grand Tower

Today’s UV Index tells a compelling story of the sun's intensity throughout the day. Starting off gently at 1 at 7:00 AM, it gradually picks up, reaching 2 by 8:00 AM. As the day warms up, it surges to a moderate 4 by 9:00 AM and hits 6 at 10:00 AM. The sun shines fiercest at 12:00 PM, where the UV Index peaks at an impressive 10, nudging even higher to 11 at 1:00 PM. After lunchtime, we see a steady decline: it dips to 10 at 2:00 PM, falls to 8 by 3:00 PM, and continues its descent to 5 at 4:00 PM. As evening approaches, the index drops significantly, ending the day with a cozy 1 by 7:00 PM. Remember to take precautions during the peak hours for skin safety!

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
10:006high25 min
11:009very high15 min
12:0010very high15 min
13:0011extreme10 min
14:0010very high15 min
15:008very high15 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Grand Tower

Throughout the year, the UV Index exhibits notable seasonal variations, with the highest levels occurring from April to September. This period includes high-risk months such as May and June, where the UV Index reaches extremes of 11, resulting in a burn time as short as 10 minutes. Visitors and residents should be particularly vigilant during these months, applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of UV-related harm. As the year progresses into October and November, UV levels decrease, transitioning back to a moderate risk by December. It is essential to stay informed about daily UV reports and adjust sun safety practices accordingly.

Monthly Maximum UV Index for Grand Tower, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Grand Tower. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3679111110109753
Data source: Statistical UV Index data for Grand Tower, 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 Grand Tower UV Index with Other United States Cities

The table above highlights how UV exposure in Grand Tower 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.
Grand Tower'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
Grand Tower3679111110109753
Los Angeles UVI46891011111010754
Houston UVI589111112121110975