UV Index
UV Index
Today's UV index in Vaughan, Canada 
will be up to 7.5, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-01
With Vaughan's UV index reaching 7.5, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
Vaughan's UV index varies seasonally, typically low in winter, moderate in spring and autumn, and reaching higher levels in summer, often around 6 to 7 on sunny days. Seasonal patterns show cold, snowy winters and warm, humid summers. Spring and autumn are mild with variable rainfall. Compared to other parts of Canada, Vaughan experiences less extreme cold than northern regions but similar winter conditions to nearby Toronto. Its summers are warmer than many northern areas but cooler than some southern U.S. locations. Neighboring U.S. cities like Buffalo have comparable seasonal weather patterns.
See the UV index hour by hour for Vaughan, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.