United States
UV Index in Nevada — Current UV Levels
Check the current UV index for 3 cities in Nevada. Select a city below for real-time UV data, hourly forecasts, and sun protection advice.
UV Index by City in Nevada
Sun Safety in Nevada
UV levels in Nevada 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 Nevada: What to Know
Nevada has very high to extreme UV in summer thanks to its desert climate, clear skies, and elevation. Las Vegas and Reno see intense midday UV from spring through fall.
Across Nevada, 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 Henderson, Las Vegas and Reno on the city pages above before heading outdoors.
Common Questions About UV in Nevada
When is the UV index highest in Nevada?
UV in Nevada 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 Henderson above to see today's exact peak.
Do I need sunscreen in Nevada?
Yes — whenever the UV index reaches 3 or higher, which in Nevada 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 Nevada?
Our UV index for Nevada 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.