UV Index
UV Index
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Today's UV index in Indianapolis, United States 
will be up to 1.4, indicating low 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.
Today, the UV index suggests low sun danger (0-2) in Indianapolis, reaching up to 1.4. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Indianapolis.
The UV index in Indianapolis ranges from 1 to 11+, with the highest values observed during the summer months. It is important to protect your skin during peak hours (10am-4pm) by using sunscreen, wearing hats and sunglasses, and seeking shade. Always check the UV index before heading outside to avoid harmful sunburns.
Indianapolis experiences four distinct seasons throughout the year. Spring (March-May) brings mild temperatures ranging from 5 °C (41 °F) to 20 °C (68 °F), with occasional rainfall. Summer (June-August) is hot and humid, with temperatures averaging between 20 °C (68 °F) and 31 °C (88 °F). Fall (September-November) brings cooler temperatures ranging from 9 °C (48 °F) to 22 °C (72 °F), and vibrant foliage colors. Winter (December-February) is cold, with temperatures ranging from -6 °C (21 °F) to 3 °C (37 °F), and occasional snowfall.
Compared to its region, Indianapolis experiences fairly moderate sun exposure. The city is located in the midwestern part of the United States, where the climate is neither extremely hot nor cold. Nevertheless, it is important to take precautions against the sun's rays regardless of the region. Keep in mind that different areas may have varied weather patterns and levels of UV exposure, so staying informed about the specific conditions of your location is always essential.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Indianapolis. It's designed to provide you with a better understanding of the yearly weather and sun exposure.