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UV Index in Chicago, US

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Today's UV index in Chicago, United States United States will be up to 1.2, 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's tips

Today, the UV index suggests low sun danger (0-2) in Chicago, reaching up to 1.2. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Chicago Weather

Read more here about the climate and sun exposure in and around Chicago.

UV Index in Chicago

The UV index in Chicago can range from low to very high throughout the year. In summer (June-August), the index can reach levels of 8 or 9 (very high) on a scale of 1 to 11+. This means there is a high risk of sunburn, so it's important to protect your skin with sunscreen, hats, and sunglasses.

Weather Seasons

UV index

Chicago experiences four distinct seasons. Spring (March-May) brings mild temperatures that range from 5-20 °C (41-68 °F) with occasional rain showers. Summer (June-August) is warm and humid, with temperatures ranging from 20-30 °C (68-86 °F), and occasional thunderstorms. Fall (September-November) brings cool temperatures ranging from 5-20 °C (41-68 °F), along with beautiful foliage. Winter (December-February) is cold and snowy, with temperatures ranging from -10 to 5 °C (14-41 °F), often accompanied by strong winds.

Chicago's Climate

Compared to its region, Chicago experiences moderate sun exposure. The city is located in the Midwest, where the climate is known for its distinct seasons. In comparison to cities further south like Atlanta or Miami, Chicago receives fewer sunny days and experiences cooler temperatures. However, it still gets its fair share of sun, especially during the summer months, and it is important to take precautions to protect your skin from harmful UV rays.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Chicago. It's designed to provide you with a better understanding of the yearly weather and sun exposure.

Disclaimer

* This page's content about the UV index in Chicago (United States) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.