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UV Index in Chicago

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Today's UV index in Chicago, United States United States will be up to 5.3, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.

 

Today's tips

With a UV index reaching up to 5.3 in Chicago, 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.

Chicago's UV Index

The UV index in Chicago can reach high levels during the summer months, with a maximum index of 9 or higher possible. This is due to the city's geographic location and the angle of the sun during this time. It's important to be aware of the UV index and take appropriate precautions when it is high.

Weather Seasons

UV index

Chicago experiences four distinct seasons, each with its own unique weather patterns. Spring brings mild temperatures and occasional showers, while summer is typically warm and humid with occasional heatwaves. Fall sees cooler temperatures and vibrant foliage, and winter is often cold and snowy.

Chicago's Climate

Compared to its region and neighboring countries, Chicago experiences more extreme temperature fluctuations due to its location in the heart of the continental United States. To the north lies Canada, which experiences colder temperatures year-round, while to the south is the relatively mild climate of the southern United States. Similar cities in Europe and Asia have more moderate temperature ranges due to their proximity to the ocean.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month 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.