Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Labrieville, Canada, as it serves as a guiding tool for sun safety and skin health. Being aware of UV levels helps prevent sunburn and reduces the risk of long-term skin damage. Given Labrieville’s Dfc climate—characterized by cool summers—the intensity of UV radiation can be deceptively high, especially during peak hours from 11 AM to 1 PM, where the UV Index peaks at 8. By staying informed about the daily UV Index, you can enjoy outdoor activities while taking necessary precautions to protect your skin.
Starting early in the morning, the UV Index begins at a mild 1 at 07:00, gradually rising through the hours. By 09:00, it reaches 4, marking the onset of stronger sunlight. The intensity peaks between 11:00 and 13:00, with a robust 8, indicating a high risk of harm from unprotected sun exposure. From there, it starts to gradually decline, dipping to 6 by 15:00 and falling further to 4 at 16:00. As the sun begins to set, the index decreases significantly, dropping back to 1 by 18:00 and maintaining that lower level until evening. This day’s UV trends serve as a reminder to protect your skin during peak hours, especially when the index is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As seasons change, so does the UV Index, reflecting varying levels of sun exposure risk throughout the year. January and November present low UV levels (Index 2) with a burn time of 45 minutes, while December sees a further decrease to an Index of 1. As spring approaches, the UV levels rise, with March (Index 5) and April (Index 7) indicating moderate to high risk, requiring caution. The summer months of May through August bring very high UV exposure (Index 9 in May and June, 8 in July and August), significantly lowering safe burn times to just 15 minutes. September experiences a decrease to high risk (Index 6), while October returns to moderate (Index 4) levels. Given these patterns, it's crucial for both visitors and residents to remain vigilant during the high-risk months of April through August, utilizing sunscreen, protective clothing, and limited sun exposure during peak hours to safeguard against skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Edmonton UVI | 2 | 3 | 5 | 6 | 7 | 7 | 8 | 7 | 6 | 4 | 2 | 1 |
| Calgary UVI | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 8 | 7 | 4 | 2 | 1 |
| Labrieville | 2 | 3 | 5 | 7 | 9 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Montreal UVI | 2 | 4 | 5 | 7 | 9 | 9 | 8 | 8 | 7 | 5 | 3 | 2 |
| Ottawa UVI | 2 | 4 | 5 | 8 | 9 | 9 | 8 | 8 | 7 | 5 | 3 | 2 |
| Toronto UVI | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |