Last updated: July 2, 2025
In Harbour Breton, Canada, being aware of the UV Index is essential for safeguarding your skin health, particularly during the long summer months. Understanding UV levels is crucial not only for preventing painful sunburns but also for reducing the risk of long-term skin damage and conditions like skin cancer. With a Dfb climate characterized by cool summers and moderate sun exposure, you're at risk for elevated UV levels, particularly between 11 AM and 3 PM when the index reaches its peak of 8. Stay informed and take proactive measures to protect yourself and enjoy the beautiful outdoors safely!
The UV Index showcases its peak intensity during the midday hours, starting at 08:00 with a modest value of 2, which swiftly escalates to a striking 8 by 12:00 and remains at this level until 13:00. As the afternoon sun begins to wane, the index gradually decreases, dipping to 6 by 15:00, and further descending to reach 3 by 17:00. As day turns into evening, the UV exposure drops significantly, culminating in a safe 1 at both 18:00 and 19:00. It’s a clear reminder to stay sun-safe during those peak hours when the UV rays are at their most potent!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 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 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, indicating varying levels of sun exposure risk. The months of May through August represent the high-risk period, with UV Index levels ranging from 8 to 10, categorized as very high. During these months, the recommended burn time significantly decreases to just 15 minutes, highlighting the need for diligent sun protection, including sunscreen, protective clothing, and seeking shade. In contrast, during the low-risk months of January, November, and December, the UV Index remains at 2 or lower, allowing for a safer outdoor experience with burn times extending up to 45 minutes. Visitors and residents are advised to remain vigilant about UV exposure, particularly in the summer months, ensuring they take appropriate precautions to safeguard their skin against potential 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 |
| Harbour Breton | 2 | 3 | 5 | 6 | 8 | 10 | 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 |