UV Index
UV Index
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Today's UV index in Vaughan, Canada 
will be up to 3.9, 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 3.9 in Vaughan, 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 Vaughan, Canada can reach high levels during the summer months, with a peak average of 7 in July. This is considered a high level, so sunscreen is recommended during this time.
Vaughan experiences four distinct seasons: a cold winter, a wet spring, a hot and humid summer, and a cool and colorful fall. Winter lows can reach -10°C, while summer highs can climb to 30°C.
When compared to its region and neighboring countries, Vaughan's climate is relatively mild. While still experiencing the cold of winter, it is less severe than the prairies or northern territories. In comparison to its neighboring country, the United States, Vaughan's climate is colder in the winter but cooler in the summer.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Vaughan. It's designed to provide you with a better understanding of the yearly weather and sun exposure.