Last updated: June 2, 2025
Understanding the UV Index in Deline, Canada, is crucial for maintaining skin health and preventing sunburn, especially during the sunnier months. The UV Index indicates the strength of ultraviolet radiation from the sun, with levels peaking between 10 AM and 2 PM, when the risk of skin damage is highest. In Deline's Dfc climate, characterized by cooler summers and unique environmental conditions, residents and visitors alike should remain vigilant about UV exposure. By staying informed about local UV levels, you can take proactive steps to protect your skin and enjoy the beautiful Canadian outdoors safely.
As the sun rises, the UV Index gently begins to climb, starting at a minimal level of 1 by 7:00 AM. By 9:00 AM, it reaches 2, indicating that some sun protection is advisable. The intensity increases significantly as the day progresses, hitting 3 by 10:00 AM and peaking at 5 between 1:00 PM and 4:00 PM—the time when sun safety measures are crucial. 11:00 AM and 12:00 PM see the index at a solid 4, emphasizing the need for sunblock and hats. As the afternoon transitions to evening, the index gradually declines, settling back down to 3 by 6:00 PM and dropping to 2 by 7:00 PM. This hourly progression highlights the importance of staying vigilant against UV exposure, particularly during those peak hours!
| 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 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 fluctuate, indicating varying risks associated with sun exposure. During the winter months of January, February, October, November, and December, the UV Index remains low (1), allowing for longer safe exposure times of 45 minutes before burning occurs. March marks the transition into spring with a slight increase to UV Index 2 and low risk. The high-risk months are April, May, June, July, and August, where the UV Index reaches moderate levels of 4 or 5, necessitating precautions against sun exposure with shorter burn times of only 30 minutes. As summer fades into fall, the UV Index declines to 3 in September and again lowers to 2 by October. Residents and visitors should remain vigilant during the moderate months, wearing sunscreen and protective clothing, especially during peak hours, to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deline | 1 | 1 | 2 | 4 | 4 | 5 | 5 | 5 | 3 | 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 |