UV Index
UV Index
Today's UV index in Windsor, 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: 2025-05-10
With Windsor'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.
The UV index in Windsor, Canada, varies throughout the year, reaching its highest levels, around 6 to 8, during summer months and dropping to low levels, near 0 to 2, in winter. Windsor experiences four distinct seasons: warm, humid summers with temperatures often in the mid-20s Celsius; cold winters with temperatures frequently below freezing and snowfall; mild springs; and cool, crisp autumns. Compared to other parts of Canada, Windsor has milder winters and warmer summers due to its southern location. It is generally warmer than cities in northern Ontario but cooler and more humid than some areas in the U.S. Midwest nearby.
See the UV index hour by hour for Windsor, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.