UV Index in Rockdale, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Rockdale, United States, where the climate offers ample sunshine but also elevates the risk of overexposure to harmful UV rays. Being aware of UV levels helps protect against sunburn and long-term skin damage, allowing you to enjoy outdoor activities safely. With typical peak UV Index values reaching as high as 12 around noon, Rockdale’s climate calls for diligent sun safety practices, especially during the warmest months of the year. Stay informed and safeguard your skin to make the most of your sunny days!

Hourly UV Index in Rockdale

As the sun rises, the UV Index starts at a mild 1 at 7:00 AM and remains low until 9:00 AM, where it climbs to 3. By 10:00 AM, the index accelerates to a moderate 5, but it’s at 11:00 AM that the heat intensifies, reaching 8. The peak occurs at 12:00 PM with a staggering value of 10, followed by the highest point of the day at 1:00 PM and 2:00 PM, where it maxes out at 12. After this peak, the index gradually declines: it drops to 10 by 3:00 PM and continues to decrease to 7 at 4:00 PM. By the late afternoon, the intensity wanes, falling to 5 at 5:00 PM and back down to 2 by 6:00 PM, before settling at 1 again as day turns to dusk by 7:00 PM. Remember to shield yourself during the midday hours when the UV radiation is at its most intense!

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
09:003moderate30 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
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Rockdale

Throughout the year, the UV Index demonstrates significant seasonal variation, with the highest levels occurring from March to August. During these months, particularly in May and June, the UV Index reaches extreme levels (11-12), resulting in a reduced burn time of just 10 minutes. April and September also show very high readings, warranting caution with a 15-minute burn time. From October to February, UV exposure decreases, yet February still earns a high category with a burn time of 25 minutes. To protect skin health, visitors and residents should be particularly vigilant during the high-risk months of March through August, using sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when the sun's rays are most intense.

Monthly Maximum UV Index for Rockdale, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rockdale. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec579101112121110864
Data source: Statistical UV Index data for Rockdale, 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 Rockdale UV Index with Other United States Cities

The table above highlights how UV exposure in Rockdale 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.
Rockdale'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
Rockdale579101112121110864
Houston UVI589111112121110975