UV Index in Saint-Leonard-d'Aston, Canada

Last updated: July 2, 2025

Understanding the UV Index in Saint-Leonard-d'Aston is crucial for residents and visitors alike, as it serves as a key indicator of potential sun exposure and the risk of sunburn. With the town's Dfb climate, characterized by warm summers and cold winters, it's essential to recognize the daily fluctuations in UV levels—especially during the peak hours around noon, when the index can reach as high as 8. By tracking the UV Index, you can take proactive steps to protect your skin and maintain your overall skin health, ensuring that outdoor activities remain safe and enjoyable throughout the year. Stay informed and keep your skin protected!

Hourly UV Index in Saint-Leonard-d'Aston

The UV Index throughout the day showcases a dynamic range of exposure, beginning at a low 1 at 7:00 AM and gradually climbing to a peak of 8 between 12:00 PM and 1:00 PM. This signifies a critical window for sun protection, particularly around 11:00 AM and 12:00 PM when the index reaches 7 and 8, respectively. As the afternoon unfolds, the index gradually declines, dipping back to 6 by 3:00 PM and then further to 4 at 4:00 PM. By the evening, the UV intensity has diminished to a gentle 1 at 7:00 PM. It's essential to stay aware of these fluctuations, ensuring that sun safety measures are taken during peak hours!

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
08:002low45 min
09:004moderate30 min
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:008very high15 min
14:007high25 min
15:006high25 min
16:004moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Saint-Leonard-d'Aston

Throughout the year, the UV Index experiences significant fluctuations, highlighting the need for awareness among visitors and residents. January and December register the lowest levels of UV exposure (Index 2), categorized as low, allowing for longer burn times of 45 minutes. As the seasons change, February and March see a slight increase, reaching a moderate exposure category (Index 3 and 5) with 30 minutes burn time. The risk escalates sharply from April to August, with a peak in May and June at a very high level (Index 9) and a minimal burn time of just 15 minutes. July and August maintain similar intensity before gradually tapering off in September with high risk (Index 7) and 25 minutes burn time. By October to November, conditions return to moderate, signaling a gradual decrease in UV exposure. Therefore, it’s crucial for everyone to protect their skin, especially during the high-risk months of April through August, by wearing sunscreen, protective clothing, and seeking shade when the UV Index is at its highest.

Monthly Maximum UV Index for Saint-Leonard-d'Aston, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Leonard-d'Aston. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Statistical UV Index data for Saint-Leonard-d'Aston, 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-d'Aston UV Index with Other Canada Cities

The table above highlights how UV exposure in Saint-Leonard-d'Aston 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-d'Aston's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton UVI235677876421
Calgary UVI234688987421
Saint-Leonard-d'Aston235799887532
Montreal UVI245799887532
Ottawa UVI245899887532
Toronto UVI245899997532