UV index today  UV Index

UV Index in Las Vegas, US

UV index


Cloud cover



00.0 ℃


Today's UV index in Las Vegas, United States United States will be up to 2.5, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.


Today's tips

Today, the UV index suggests low sun danger (0-2) in Las Vegas, reaching up to 2.5. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Las Vegas Weather

Read more here about the climate and sun exposure in and around Las Vegas.

UV Index in Las Vegas

The UV index in Las Vegas can be very high throughout the year, due to its location in the desert. In the summer months, the index often reaches extreme levels, ranging from 10 to 14 (very high to extreme). It is important to take precautions and protect your skin by wearing sunscreen, hats, and sunglasses, especially between 10 am and 4 pm when the sun is strongest.

Weather Seasons

UV index

Las Vegas experiences a hot desert climate with long, extremely hot summers and short, mild winters. Summer temperatures can soar over 100 °F (38 °C) and sometimes surpass 110 °F (43 °C). Winters are generally mild, with daytime temperatures averaging around 60 °F (16 °C) and dropping to the 30s °F (around 0 °C) overnight. Spring and fall offer more pleasant weather, with temperatures ranging from the 70s °F (20s °C) to the 80s °F (around 30 °C).

Las Vegas's Climate

Compared to its surrounding region, Las Vegas experiences more intense sun exposure due to its desert location. The arid landscape amplifies the sun's effects, resulting in higher UV radiation and faster dehydration. It is vital to remain hydrated and protect yourself from the sun, not only in Las Vegas but also in nearby areas such as Death Valley and the Mojave Desert.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Las Vegas. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Las Vegas (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.