UV Index
UV Index
Today's UV index in Laval, Canada 
will be up to 6, 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 Laval's UV index reaching 6, 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.
Laval's UV index varies throughout the year, reaching higher levels around June and July, typically between 6 and 8, and lower values like 1 or 2 during winter months. In Laval, summers are warm with temperatures often in the 20s Celsius, while winters are cold and snowy with temperatures frequently below freezing. Spring and fall are mild with moderate rainfall. Compared to other parts of Quebec and neighboring Ontario, Laval experiences similar cold winters and warm summers but generally has higher humidity due to its location near Montreal and the St. Lawrence River.
See the UV index hour by hour for Laval, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.