UV Index
UV Index
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Today's UV index in Dallas, United States 
will be up to 3.2, indicating moderate 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.
With a UV index reaching up to 3.2 in Dallas, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
Read more here about the climate and sun exposure in and around Dallas.
The UV index in Dallas varies throughout the year, reaching its peak in the summer months. On average, the UV index ranges from 6 (high) to 9 (very high), posing a significant risk of sunburn. It is crucial to take precautions, such as using sunscreen, wearing protective clothing, and seeking shade during the peak hours of 10 am to 4 pm, to reduce the harmful effects of UV radiation.
Dallas experiences four distinct weather seasons - spring, summer, fall, and winter. Spring and fall bring moderate temperatures, with highs around 20-25 °C (68-77 °F) and lows of 10-15 °C (50-59 °F). Summers are scorching hot, with temperatures soaring to 35-40 °C (95-104 °F) or even higher. Winters in Dallas are relatively mild, with temperatures ranging from 5-15 °C (41-59 °F). However, occasional cold fronts can cause temperatures to drop below freezing.
Compared to its neighboring regions, Dallas experiences more sunshine throughout the year. With an average of 2,500 hours of sunshine annually, Dallas has a higher sun exposure than many other cities in the Southern United States. This increased sun exposure contributes to the higher UV index in Dallas, making it essential for residents and visitors to protect themselves from excessive sun exposure to prevent sunburn and potential skin damage.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Dallas. It's designed to provide you with a better understanding of the yearly weather and sun exposure.