Last updated: May 3, 2025
In Sacre-Coeur, Canada, being aware of the UV Index is crucial for safeguarding your skin, especially given the region's Dfb climate which can lead to significant UV exposure during the warmer months. Understanding UV levels is essential for preventing sunburn and maintaining long-term skin health. As the day progresses, UV values often peak around noon, reaching as high as 8 during the hottest hours—making it vital to stay informed and protected against harmful rays. So, before heading out, check the UV Index and take the necessary precautions to enjoy the sun safely!
The UV Index forecast reveals a dynamic pattern throughout the day, peaking in the late morning to early afternoon. Starting at a mild 1 at 07:00, it gradually climbs to a moderate 2 by 08:00. As the sun rises higher, the intensity escalates to a substantial 8 around 12:00 and 13:00, signaling a highest exposure risk. Post-peak, the index gently descends to 7 at 14:00, before tapering down to 2 by 17:00, and finally settling back at 1 by evening. To maximize safety and enjoyment under the sun, it’s essential to stay protected, especially during that critical midday window when UV radiation is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels fluctuate significantly, indicating the varying risks of skin damage from sun exposure. From January to February, the UV index remains low to moderate, with burn times increasing from 45 minutes to 30 minutes. As spring arrives in March, the UV index climbs to 5, necessitating awareness, as burn times drop to 30 minutes. April marks the transition into high-risk territory with a UV index of 7 and a burn time of just 25 minutes. The peak of UV exposure occurs in the summer months of May through August, where the index reaches a maximum of 9 in June—signifying very high risk—with a minimal burn time of just 15 minutes. September sees a decline to a high index of 6 before dropping to moderate levels in October. The year concludes with low UV exposure in November and December, where burn times extend back to 45 minutes. Visitors and residents are advised to take extra precautions during high-risk months from April to August, such as wearing protective clothing, applying sunscreen regularly, and seeking shade to minimize 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 |
| Calgary UVI | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 8 | 7 | 4 | 2 | 1 |
| Sacre-Coeur | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 2 |
| 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 |