UV Index
UV Index
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Today's UV index in Barrie, Canada 
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 Barrie, 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 Barrie.
The UV index in Barrie, Canada, ranges from low to very high throughout the year. During spring and summer, when the sun is stronger, the UV index can reach levels considered very high (7-9). It is important to protect your skin by using sunscreen (SPF 30+) and seeking shade, especially between 11 am and 3 pm, when the sun's rays are the strongest.
Barrie, Canada experiences four distinct seasons: spring, summer, fall, and winter. Spring (March to May) brings gradually warmer temperatures, averaging around 10 °C (50 °F), with occasional rainfall. Summer (June to August) is warm and humid, with temperatures averaging around 25 °C (77 °F), perfect for outdoor activities and enjoying the beautiful beaches in the area. Fall (September to November) sees cooler temperatures, ranging from 5-15 °C (41-59 °F), and boasts stunning foliage colors. Winter (December to February) is cold, with temperatures averaging around -5 °C (23 °F) and heavy snowfall, making it ideal for winter sports enthusiasts.
Compared to other regions, Barrie, Canada experiences moderate sun exposure. Being located in Ontario, it receives similar weather patterns to other cities in the region, with mild summers and cold winters. However, as one gets closer to the Great Lakes, including Lake Simcoe, it can moderate temperature extremes, resulting in milder winters with less snowfall in some cases. Overall, Barrie has a varied climate, but its location relative to the Great Lakes helps to moderate some of the weather extremes experienced in other parts of Canada.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Barrie. It's designed to provide you with a better understanding of the yearly weather and sun exposure.