Today, the UV index suggests low sun danger (0-2) in Montréal, reaching up to 1.1. 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 Montréal.
The UV index in Montréal ranges from 0 to 11+, with 0 indicating low exposure and 11+ signifying extreme exposure. In the summer months (June to August), the UV index is generally high, varying between 6 and 8. It is important to protect your skin by wearing sunscreen, sunglasses, and a hat to reduce the risk of sunburn and other harmful effects.
Montréal experiences four distinct seasons: spring, summer, fall, and winter. Spring (March to May) starts off chilly with average temperatures around 1 °C (34 °F) and gradually warms up to around 13 °C (55 °F) by May. Summer (June to August) is warm and humid, with temperatures ranging from 20 °C (68 °F) to 30 °C (86 °F). Fall (September to November) brings cooler temperatures, with averages between 7 °C (45 °F) and 19 °C (66 °F). Winter (December to February) is cold, with average temperatures ranging from -10 °C (14 °F) to -6 °C (21 °F), and heavy snowfall is common.
Compared to its region, Montréal receives relatively lower sun exposure due to its northern latitude. However, its UV index can still reach high levels during the summer months. It is important to be mindful of protection against harmful sun radiation by using sunscreen, limiting time in direct sunlight, and wearing appropriate clothing.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Montréal. It's designed to provide you with a better understanding of the yearly weather and sun exposure.