Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Glace Bay, Canada, where the Dfb climate contributes to varying UV exposure throughout the day. As UV levels can spike to a maximum of 10 during peak hours, awareness is imperative to prevent sunburn and protect skin health. With instances of high UV radiation especially common in summer, knowing when to seek shade or apply sunscreen can make all the difference for your long-term wellness. Stay informed and enjoy the sunny days of Glace Bay while keeping your skin safe!
From 07:00 to 08:00, the UV Index starts off mild with a maximum of 1 to 2, making it a safe time for early outdoor activities. As the sun climbs higher, the UV levels rise sharply, reaching 4 by 09:00 and hitting 6 by 10:00. The intensity peaks at 13:00 with a significant 10, indicating high exposure risk, perfect for applying sunscreen and seeking shade. As we move into the afternoon, levels gradually decrease, tapering to 9 by 14:00 and falling back to a more manageable 4 by 17:00. By evening, UV levels drop to 2 at 18:00 and retreat to 1 by 19:00, marking a safe return for those looking to enjoy twilight outdoors. Remember, it's essential to stay vigilant during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, necessitating caution during the peak months. January and December see a low UV Index of 2, allowing for longer burn times of up to 45 minutes. As we move into February and March, the index rises to 3 and 4, transitioning to a moderate level with burn times dropping to 30 minutes. April marks the start of high UV exposure, soaring to 7 with a high risk level and a reduced burn time of 25 minutes. The months of May and June are particularly hazardous, presenting a very high UV Index of 9 and 10, respectively, with burn times plummeting to just 15 minutes. Following this, July and August maintain a very high index of 8, emphasizing the need for protection during outdoor activities. As summer fades into September and October, UV levels decrease, yet caution remains essential with indices of 7 and 5, indicating a return to high and moderate levels, respectively. November continues the trend with a moderate UV Index of 3. Visitors and residents should always be prepared, especially from April through September, by applying sunscreen, wearing protective clothing, and avoiding prolonged sun exposure during peak hours to mitigate the risks of UV radiation.
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 |
| Glace Bay | 2 | 3 | 4 | 7 | 9 | 10 | 8 | 8 | 7 | 5 | 3 | 2 |
| 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 |