UV Index in Saint-Leonard, Canada

Last updated: July 2, 2025

Understanding the UV Index is essential for the residents of Saint-Leonard, Canada, as it serves as a vital tool in safeguarding skin health and preventing sunburn. With its climate characterized by cold winters and warm summers, Saint-Leonard experiences varying UV exposure throughout the year. The UV Index can peak significantly—reaching a level of 8 during the brightest hours—indicating a high risk of harm from unprotected sun exposure. By staying informed about daily UV levels, you can effectively protect yourself and your loved ones, ensuring enjoyable and safe outings under the sun.

Hourly UV Index in Saint-Leonard

As the day unfolds, the UV Index intensifies significantly, peaking at 8 between 1:00 PM and 2:00 PM—a clear signal for sun safety. Starting from a modest 1 at 7:00 AM, the index steadily escalates, hitting 5 by 11:00 AM and reaching 7 just before noon. This upward trend continues until 2:00 PM, after which the UV levels gradually decline, dropping back to 4 by 5:00 PM and dwindling to 1 again by 7:00 PM. With this data in mind, it's vital to take protective measures during the midday hours when the sun is strongest. Stay sun-safe!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:005moderate30 min
12:007high25 min
13:008very high15 min
14:008very high15 min
15:007high25 min
16:006high25 min
17:004moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Saint-Leonard

As the seasons change, so do UV levels, significantly impacting sun exposure and skin health. January and December show the lowest UV Index (2), indicating low exposure risk with a burn time of 45 minutes. As we move through February and March, the UV Index rises to moderate levels (3-5), reducing burn time to 30 minutes. The high-risk months begin in April, peaking in May and June with UV indices of 7-10 and very high exposure risks, corresponding to a dangerous burn time of just 15 minutes. July and August maintain this high risk, then taper off in September with a drop to a high category (7), allowing for a longer burn time of 25 minutes. By October and November, the exposure risk lessens again to moderate levels, before returning to low in December. Visitors and residents are advised to use adequate sun protection, especially during the high and very high months, to minimize the risk of skin damage.

Monthly Maximum UV Index for Saint-Leonard, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Leonard. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887432
Data source: Statistical UV Index data for Saint-Leonard, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Saint-Leonard UV Index with Other Canada Cities

The table above highlights how UV exposure in Saint-Leonard compares to other major locations across Canada. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Saint-Leonard's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton UVI235677876421
Calgary UVI234688987421
Saint-Leonard2357810887432
Montreal UVI245799887532
Ottawa UVI245899887532
Toronto UVI245899997532