UV Index
UV Index
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Today's UV index in Austin, United States 
will be up to 3.8, 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 3.8 in Austin, 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 Austin.
The UV index in Austin can reach high levels, especially during the summer months. It is important to protect your skin from the sun's harmful rays by using sunscreen, wearing hats, and seeking shade during peak hours. The UV index is a measure of the strength of the sun's UV radiation and ranges from 0 to 11+, with higher numbers indicating a higher risk of sunburn and skin damage.
Austin experiences four distinct seasons: spring, summer, autumn, and winter. Spring is mild and pleasant with temperatures ranging from 15 °C to 27 °C (59 °F to 81 °F). Summers are hot and humid, with temperatures soaring above 32 °C (90 °F). Autumn brings comfortable temperatures, ranging from 16 °C to 28 °C (61 °F to 82 °F), and colorful foliage. Winters are generally mild, with temperatures ranging from 5 °C to 17 °C (41 °F to 63 °F), but occasional cold fronts can bring freezing temperatures.
Compared to its region, Austin enjoys a relatively high amount of sunshine throughout the year. With around 300 sunny days annually, Austin is known for its clear skies and abundant sunlight. This makes it a popular destination for outdoor activities and festivals. However, it is essential to take precautions and protect yourself from excessive sun exposure to minimize the risk of sunburn and other related issues.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Austin. It's designed to provide you with a better understanding of the yearly weather and sun exposure.