UV Index
UV Index
Today's UV index in Carrollton, United States 
will be up to 9.7, 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: 2025-07-25
With a UV index of 9.7 in Carrollton, 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.
Carrollton experiences UV index levels that vary seasonally, often reaching moderate to high levels during summer months, typically between 6 and 9. UV intensity is lower in winter, generally around 2 to 4.
The city has hot summers with temperatures often rising above 90°F (32°C) and mild winters with temperatures usually between 40°F and 60°F (4°C to 15°C). Rainfall peaks in spring and fall, while winters stay drier.
Compared to other parts of the southern United States, Carrollton is warmer in summer and cooler in winter than coastal cities like Houston. Its UV index and seasonal weather patterns are similar to nearby cities in Texas but differ from northern states.
See the UV index hour by hour for Carrollton, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.