UV Index in Aurora, United States

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Aurora, United States, where varying UV levels can significantly impact skin health. As the sun climbs higher in the sky, the intensity of UV radiation increases, peaking around midday with an index reading of 12. This can lead to sunburn within minutes, especially for those who underestimate their sun exposure. Given Aurora's BSk climate, which features sunny summers and cold winters, it's essential to stay informed about daily UV levels to protect yourself and your loved ones. Embracing this awareness not only helps prevent skin damage but also promotes long-term health in the great outdoors!

Hourly UV Index in Aurora

Throughout the day, the UV Index displayed a dynamic pattern, peaking at an intense 12 around 1 PM. Starting off gently at 1 by 7 AM, it climbed steadily, reaching 9 by 11 AM, a clear sign to take precautions. As the sun approached its zenith, the index swelled to its maximum at 12 PM, emphasizing the importance of sun safety. Following the midday peak, the index gradually decreased, dropping to 9 by 3 PM, then tapering off further to 2 by 6 PM and 1 by 7 PM. This data underscores the significance of shielding oneself from the sun's harmful rays during the day, especially when the UV Index is at its highest.

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

Monthly UV Index Trends in Aurora

As the seasons change, so do UV levels, highlighting the importance of sun safety for both visitors and residents. From March to August, the UV Index peaks at 11-12, classified as extreme, where the burn time is reduced to just 10 minutes. Notably, May, June, and July are the high-risk months, when exposure can lead to serious skin damage in a very short time. In contrast, January and December see lower UV levels (around 3-4) with a moderate burn time of 30 minutes. To protect yourself, especially during the high UV months, always apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours.

Monthly Maximum UV Index for Aurora, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Aurora. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec45810111212119743
Data source: Statistical UV Index data for Aurora, 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 Aurora UV Index with Other United States Cities

The table above highlights how UV exposure in Aurora 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.
Aurora'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
Aurora45810111212119743
Houston UVI589111112121110975