Last updated: August 1, 2025
Understanding the UV Index in Nahanni Butte, Canada is crucial for protecting your skin and maintaining overall health. With its climate classified as Dfc, residents and visitors alike face unique exposure risks from the sun, especially during the peak hours of the day when the UV levels can rise significantly. Knowing the UV levels helps in preventing sunburns and reducing the risk of long-term skin damage. As you enjoy the stunning natural beauty of Nahanni Butte, staying informed about the UV Index can empower you to make safe decisions for your skin health.
The UV Index for the day presents a dynamic landscape of sun exposure, beginning gently at 1 in the early hours, perfect for those taking a leisurely morning stroll. As the sun climbs higher, the intensity escalates, peaking at 6 between 1:00 PM and 3:00 PM—ideal for sun-seekers who enjoy it hot! Attendees at outdoor activities should take precautionary measures during this window, such as applying sunscreen and wearing protective clothing. As afternoon transitions to evening, the UV Index gradually tapers off, settling back to a more manageable 2 by 7:00 PM. Remember, moderation is key to enjoying the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV index levels exhibit seasonal variations that influence sun exposure risks. From January to February, the UV index remains low at 1, allowing for a burn time of 45 minutes without significant risk. However, as March approaches, the index rises to 3, marking the start of a moderate exposure category, with a reduced burn time of 30 minutes. April sees this trend continue with a UV index of 4. The summer months of May through August are particularly high-risk, with a UV index reaching 6, warranting vigilance as burn times decrease to 25 minutes. Post-summer, September drops back to a moderate level of 4, followed by a return to low risk in October through December, with burn times again stretching to 45 minutes. Visitors and residents should be especially cautious during the high-risk months of May to August, ensuring proper sun protection measures are taken, such as wearing sunscreen, protective clothing, and seeking shade during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nahanni Butte | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| 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 |
| 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 |