UV Index
UV Index
Today's UV index in Dallas, 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 Dallas, 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.
Dallas typically has a UV index ranging from moderate in winter to very high in summer, often peaking around 8 to 10 during the hottest months. This means the sun can be very strong in summer.
The weather in Dallas changes with the seasons. Summers are hot and humid, often reaching above 90°F (32°C). Winters are mild with occasional cold fronts and temperatures usually between 40°F to 60°F (4°C to 16°C). Spring and fall are warm and pleasant but can bring storms.
Compared to other parts of Texas, Dallas is warmer than northern areas but cooler than the southern deserts. It gets more rain than western Texas but less than the Gulf Coast. Neighboring states like Oklahoma to the north have colder winters.
See the UV index hour by hour for Dallas, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.