Last updated: May 3, 2025
In the breathtaking landscapes of Banff, Canada, understanding the UV Index is crucial for both residents and visitors alike. With the region's unique climate, featuring high altitudes and clear skies, UV exposure can increase significantly, particularly during midday hours. Awareness of UV levels is essential for preventing sunburn and maintaining overall skin health, as even brief sun exposure can lead to damage. As the UV Index in Banff can peak at a remarkable 9 around midday, staying informed helps everyone enjoy the stunning outdoors while protecting their skin from harmful rays.
The UV Index today follows a dynamic rise and fall, showcasing its intensity throughout the day. Starting off gently at 1 at 07:00, the sun’s rays gradually increase, reaching 2 by 08:00. As we approach midday, the index spikes, peaking at a robust 9 between 13:00 and 14:00, making these hours the most critical for sun safety. After this zenith, the index begins its descent, sliding down to 6 at 16:00, and tapering off to a more forgiving 2 by 19:00. It's a vivid reminder of the sun's power, urging everyone to take necessary precautions during those peak hours, especially from 12:00 to 14:00!
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | 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 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
As the seasons progress, the UV Index reflects significant changes in sun exposure, with noteworthy implications for both visitors and residents. The high-risk months for UV exposure are May through August, when the UV Index consistently reaches levels of 9 (very high), resulting in a burn time of just 15 minutes. Starting in April, with a UV Index of 7, precautions become increasingly vital. In the early months of the year, from January to March, the UV Index remains relatively low to moderate, with burn times increasing to 45 minutes in January. To ensure safety, it's crucial to apply sunscreen, wear protective clothing, and seek shade during midday hours, particularly during the peak summer months when UV exposure poses the greatest risk.
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 |
| Banff | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 8 | 7 | 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 |