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Today's UV index in Chicago, United States will be up to 1.2, indicating a low 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, 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.
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.
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.
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.
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.