UV Index
UV Index
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Today's UV index in Burlington, Canada 
will be up to 5, 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.
With a UV index reaching up to 5 in Burlington, 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.
The UV index in Burlington, Canada can reach high levels during the summer months, with a peak index of 9 or more. This is due to the city's location in the mid-latitudes, which exposes it to intense sunlight during the warmer season.
Burlington experiences four distinct seasons, with cold and snowy winters, mild springs, warm and humid summers, and cool autumns. The city's proximity to Lake Ontario helps moderate temperatures during these seasons, making for milder climates than inland areas of Canada.
Compared to its region and neighboring countries, Burlington has a more temperate climate than many parts of Canada, particularly those in the north and interior. It is also milder than nearby regions in the United States, such as upstate New York, which experiences cooler summers and colder winters.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Burlington. It's designed to provide you with a better understanding of the yearly weather and sun exposure.