UV Index
UV Index
Today's UV index in Mesquite, United States 
will be up to 9, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With a UV index of 9 in Mesquite, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
Mesquite, United States, typically experiences a UV index ranging from moderate to very high, especially during the summer months when the sun is strongest. The UV index can peak around 8 to 11 in the hottest part of the year.
Seasonally, Mesquite has hot summers with temperatures often surpassing 100°F (38°C), mild winters with temperatures rarely dropping below freezing, and very little rainfall mostly occurring during the summer monsoon season. Spring and fall are generally warm and dry.
Compared to the wider southwestern United States, Mesquite is hotter and drier than many regions. It is warmer than neighboring states like Utah and Nevada’s northern parts but shares similar desert climate traits with southern Arizona and parts of California.
See the UV index hour by hour for Mesquite, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.