Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Cross Lake 19A, Canada, where UV exposure can significantly impact skin health. With a climate classified as Dfc, this region experiences pronounced seasonal variations that can lead to varying UV levels throughout the year. Awareness of the UV Index helps you gauge the risk of sunburn and take effective precautions against skin damage. On typical sunny days, UV levels reach a maximum of 7 during peak hours, signaling a high risk for harmful effects. By monitoring UV levels, you can safeguard your skin, ensuring you enjoy the beauty of Cross Lake 19A while staying protected under the sun.
The UV Index for the day reveals a progressively intense sun! Early risers will notice a mild Index of 1 at 7:00 AM, gradually climbing to a moderate 4 by 10:00 AM. The peak occurs between 1:00 PM and 2:00 PM, where it reaches a height of 7, signaling the need for sun protection. By the time we reach the late afternoon, the index begins to fade, dropping to a 5 at 4:00 PM and continuing to decline, finally returning to a gentle level of 1 by 7:00 PM. As the day progresses, it's essential to stay mindful of the UV intensity—plan your outdoor activities accordingly!
| 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 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | 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 Index levels exhibit notable seasonal variations, significantly impacting burn time and exposure categories. January and February present the lowest UV levels (Index 1-2; low exposure), allowing for safer outdoor activities with a burn time of 45 minutes. As spring approaches, March sees an increase to a moderate UV Index of 3, reducing burn time to 30 minutes. The high-risk months of April to July peak with UV Index levels of 6-8, where exposure can lead to burns in just 15-25 minutes. August shows a slight decline, but UV levels remain concerning at 6 (high exposure), lasting until September when the index drops to 5 (moderate). Following that, October and November revert to low UV levels before returning to winter's low exposure category in December. Visitors and residents are advised to take precautions during the high-risk months by limiting sun exposure, wearing protective clothing, and applying sunscreen frequently.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cross Lake 19A | 1 | 2 | 3 | 6 | 7 | 8 | 7 | 6 | 5 | 3 | 2 | 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 |