UV Index
UV Index
Today's UV index in Plano, 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 Plano, 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.
The UV index in Plano is usually moderate to high, especially in late spring and summer, often ranging from 5 to 9. It peaks around midday when the sun is strongest. Winter months show lower UV levels, typically between 2 and 4.
Plano experiences hot summers with temperatures often reaching the 90s Fahrenheit and mild winters where temperatures can drop to the 30s and 40s. Spring and fall are transitional seasons with moderate temperatures and occasional rain showers.
Compared to the wider Texas region, Plano's weather is less humid than the Gulf Coast but hotter than northern Texas in summer. Neighboring states like Oklahoma have similar seasonal patterns but often experience cooler winters and more severe storms.
See the UV index hour by hour for Plano, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.