UV Index in Salt Lake City, United States

Last updated: June 2, 2025

In Salt Lake City, understanding the UV Index is crucial for protecting your skin and overall health. With a climate characterized by ample sunshine and high elevation, residents face unique risks of UV exposure, especially during peak hours. Awareness of UV levels can help prevent sunburn, skin damage, and long-term health issues. On a typical summer day, the UV Index can soar to as high as 12 around midday—making it essential for everyone, whether you’re heading out for a hike in the nearby mountains or enjoying time at the park, to pay attention to these levels and take necessary precautions.

Hourly UV Index in Salt Lake City

Today’s UV Index showcases a dynamic rise in solar intensity, peaking at an impressive 12 by 1 PM. Starting from a modest 1 at 7 AM, the index steadily climbed, hitting 10 by noon as the sun reached its zenith. The mid-afternoon sun unleashed its full potential, with UV levels hovering around 11 to 12 before gradually tapering off. As the afternoon fades into evening, the UV Index drops to 5 by 5 PM, then dwindles to 1 again by 7 PM, signaling a gentle retreat from the day's solar strength. It's a powerful reminder of the sun's potential — protect your skin during these peak 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
08:002low45 min
09:003moderate30 min
10:006high25 min
11:008very high15 min
12:0010very high15 min
13:0012extreme10 min
14:0011extreme10 min
15:0010very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Salt Lake City

The UV Index exhibits significant seasonal variation, peaking during the summer months of June and July, where it reaches an extreme level of 12 and 11, respectively, with a burn time of just 10 minutes. April and May follow closely behind with very high UV Index values of 9 and 10, indicating that skin protection becomes increasingly vital as spring transitions to summer. March also marks the start of high-risk months with a UV Index of 7, transitioning into high exposure, emphasizing the need for individuals to take precautions. Conversely, the UV Index is more moderate in the winter months of January, February, November, and December, where the burn time increases to 30 minutes. Visitors and residents are strongly advised to monitor the UV Index, especially from March to September, when sun protection measures—including the use of sunscreen, protective clothing, and seeking shade—are essential to prevent skin damage.

Monthly Maximum UV Index for Salt Lake City, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Salt Lake City. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579101211109643
Data source: Statistical UV Index data for Salt Lake City, 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 Salt Lake City UV Index with Other United States Cities

The table above highlights how UV exposure in Salt Lake City 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.
Salt Lake City'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
Salt Lake City3579101211109643
Los Angeles UVI46891011111010754
Houston UVI589111112121110975