United States
UV Index in Utah — Current UV Levels
Check the current UV index for 3 cities in Utah. Select a city below for real-time UV data, hourly forecasts, and sun protection advice.
UV Index by City in Utah
Sun Safety in Utah
UV levels in Utah vary by season, altitude, and proximity to water. The WHO recommends sun protection whenever UV reaches 3 or higher. Apply SPF 30+ before outdoor activities and reapply every 2 hours.
UV Index in Utah: What to Know
Utah has high UV driven by elevation — Salt Lake City and the mountain regions see stronger UV than the latitude suggests, with snow reflection boosting it in spring.
Across Utah, the UV index peaks in the four hours around solar noon (roughly noon to 3 PM local time). The World Health Organization recommends sun protection whenever the UV index reaches 3 or higher: apply broad-spectrum SPF 30 at UV 3–5, SPF 50 at UV 6–7, and SPF 50+ with reapplication every two hours at UV 8 and above. Check the live, hour-by-hour UV index for Ogden, Provo and Salt Lake City on the city pages above before heading outdoors.
Common Questions About UV in Utah
When is the UV index highest in Utah?
UV in Utah is strongest between noon and 3 PM local time, and highest in the summer months when the sun sits highest in the sky. Check the hourly chart for Ogden above to see today's exact peak.
Do I need sunscreen in Utah?
Yes — whenever the UV index reaches 3 or higher, which in Utah covers most of the daytime hours from spring through fall. Even on cloudy days, up to 80% of UV can reach the ground.
How accurate is this UV data for Utah?
Our UV index for Utah comes from Open-Meteo, which aggregates national weather-service models, and updates every 15 minutes. Levels follow the official WHO global solar UV index scale.