Last updated: June 2, 2025
Understanding the UV Index is crucial for maintaining optimal skin health in Jasper, Canada. With its unique Def climate zone, the area experiences varied UV exposure throughout the year, making awareness essential for activities both indoors and outside. Knowing the UV levels can help prevent sunburn and long-term skin damage, especially during peak hours when values soar—like midday, when it hits a high of 8. Empower yourself with knowledge; by staying informed about the UV Index, you can enjoy Jasper's stunning outdoors while protecting your skin!
Experience the rise and fall of the UV Index throughout the day! Starting off, the morning hours see a gentle max of 1 until 09:00, where the index creeps up to 2. As the sun climbs higher, prepare for a notable surge: by 12:00, we reach a peak of 7, and from 13:00 to 14:00, it hits its highest at 8—a time to take extra sun precautions! Fortunately, the intensity starts to wane after 15:00, dropping to 6 by 16:00, and then further declines to a more manageable 2 by 19:00. This UV journey highlights the importance of sun safety during the afternoon hours when the rays are most intense!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variations, impacting sun exposure safety for visitors and residents. January and February start with low to moderate levels (UV Index 2 and 3), allowing for longer burn times of 45 and 30 minutes, respectively. As spring progresses into March and April, the UV Index rises to moderate and high levels (5 and 6), reducing safe sun exposure times to 30 and 25 minutes. The high-risk months commence in May and persist through August, where the UV Index reaches a peak of 8 and sunburn can occur in as little as 15 minutes. September sees a decline back to a high category (UV Index 6) with a burn time of 25 minutes, before returning to moderate conditions in October. November and December present a significant drop to low levels (UV Index 2 and 1), allowing for burn times of up to 45 minutes. Visitors and residents are advised to take precautions during the high-risk months from May to August by wearing sunscreen, protective clothing, and seeking shade to minimize the risk of 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 |
| Jasper | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |
| Calgary UVI | 2 | 3 | 4 | 6 | 8 | 8 | 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 |