Las Vegas UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index9.8
- Avg Clouds4%
- Max Temp40.9 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Las Vegas, United States 
will reach a high of 9.8 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-18
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
Las Vegas's UV Index
The UV index in Las Vegas is very high, especially during summer months, often reaching extreme levels above 10. This means strong ultraviolet rays from the sun can cause skin damage quickly.
Weather Seasons
Las Vegas has hot summers with temperatures often above 100°F (38°C) and mild winters. Rainfall is very low year-round, making it a dry desert climate with most rain falling in winter and brief summer storms.
Las Vegas's Climate
Compared to other parts of the southwestern United States, Las Vegas is hotter and drier than cities like Phoenix and Los Angeles. Neighboring states like California and Arizona have more varied weather, while Las Vegas remains consistently sunny and arid.
Hourly UV Index Trend
See the UV index hour by hour for Las Vegas. When the level is high, it's smart to find some shade.
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