UV Index in Saint-Denis-sur-Richelieu, Canada

Last updated: July 2, 2025

In Saint-Denis-sur-Richelieu, Canada, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is vital not just for preventing sunburn but also for safeguarding against long-term skin damage and increasing your risk of skin cancer. With a Dfb climate characterized by warm summers, residents can expect notable UV exposure, especially during the peak hours of 10 AM to 4 PM when the UV Index can soar to levels 8 and beyond. Stay informed, and make sun safety a priority to enjoy the beautiful outdoors while keeping your skin healthy!

Hourly UV Index in Saint-Denis-sur-Richelieu

As the sun rises, the UV Index begins its ascent, starting at a mere 1 at 7:00 AM. By 8:00 AM, it climbs to 2, but it’s by 9:00 AM that we see a moderate rise to 3. The intensity peaks between 11:00 AM and 1:00 PM, hitting a high of 8, indicating that sun protection methods should be in full swing. As the afternoon progresses, values slightly decrease, with the UV Index dropping to 6 by 3:00 PM and then gradually retreating to 1 by 7:00 PM. This hourly data serves as a reminder to stay vigilant about sun safety during the mid-day hours when UV exposure is at its highest.

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

Monthly UV Index Trends in Saint-Denis-sur-Richelieu

The UV Index varies significantly throughout the year, reflecting notable seasonal changes in sun exposure. From January to March, UV levels remain relatively low to moderate, with a maximum index of 5 in March, granting burn times of up to 45 minutes. However, by April, the UV Index spikes to 8, marking the beginning of high-risk months that persist through August, where it reaches a peak of 9. During these critical summer months, burn times drastically shorten to just 15 minutes. As fall approaches in September, the index decreases to 7 but remains a significant high-risk month, with burn time extending to 25 minutes. Moving into winter, both November and December see a return to moderate UV levels, with indices of 3 and 2 respectively, allowing for burn times of 30 to 45 minutes. Visitors and residents should take extra precautions from April to August, utilizing sunscreen, wearing protective clothing, and seeking shade during peak sun hours to mitigate the risks of overexposure.

Monthly Maximum UV Index for Saint-Denis-sur-Richelieu, Canada

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Saint-Denis-sur-Richelieu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec245899887532
Data source: Statistical UV Index data for Saint-Denis-sur-Richelieu, 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-Denis-sur-Richelieu UV Index with Other Canada Cities

The table above highlights how UV exposure in Saint-Denis-sur-Richelieu 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-Denis-sur-Richelieu's solar exposure compared to other cities in Canada. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Edmonton UVI235677876421
Calgary UVI234688987421
Montreal UVI245799887532
Ottawa UVI245899887532
Saint-Denis-sur-Richelieu245899887532
Toronto UVI245899997532