Last updated: July 2, 2025
In Glace Bay, Canada, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the daily UV levels helps residents and visitors alike make informed decisions about sun safety, especially during peak hours when the index reaches a high of 8 between noon and 2 PM. With Glace Bay's Dfb climate, characterized by long summers and vibrant sunny days, the risk of overexposure to harmful ultraviolet rays is significant. Staying aware of the UV Index can empower you to protect your skin and enjoy the outdoors safely.
The UV Index throughout the day presents a clear and vigorous pattern of intensity. As the sun rises at 07:00, the index starts at a gentle 1, indicating minimal risk. By 08:00, it climbs to 2, still in the low range, but things escalate quickly; by 09:00, it reaches 3. The sun's power peaks astonishingly at 12:00, hitting a maximum of 8, which signifies a high risk for unprotected skin. This intense exposure persists until 14:00, before gradually tapering off through the afternoon. By 15:00, the index drops to 7, then diminishes further to 5 at 16:00, and continues to decline into the evening hours, settling back down to 1 by 19:00. Those planning outdoor activities during the midday hours should take care to protect themselves from the sun’s powerful rays!
| 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 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | 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 |