Last updated: June 2, 2025
Understanding the UV Index in Mount Pearl, Canada, is essential for safeguarding your skin health amid the region's distinct Dfb climate. With average UV levels peaking at a dangerous 10 around midday, awareness of these numbers is crucial for preventing sunburn and long-term skin damage. As residents and visitors enjoy the outdoors, recognizing the fluctuating UV exposure throughout the day—from a moderate 3 in the early morning to a high 9 by noon—can help everyone take proactive steps in protecting themselves while enjoying the beauty of Mount Pearl.
The UV Index shows a clear climb in intensity throughout the morning, starting at a manageable 2 at 07:00. By 09:00, it jumps to 5, signaling the onset of stronger sun exposure. The peak arrives at 12:00, with a sky-high 10, urging sun lovers and outdoor enthusiasts to take necessary precautions. As the afternoon unfolds, the index gradually dips from 9 at 13:00 to 5 at 16:00, providing some relief. As the sun sets, the numbers dwindle to a 3 at 17:00 and settle at 1 by 18:00 and 19:00, marking a retreat from the day's strongest UV rays. Remember, while fun in the sun is tempting, staying protected during peak hours is essential!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure significantly fluctuates, with high-risk months typically occurring from April to August. During this period, the UV Index peaks at 10 in June, indicating extremely high exposure levels and a burn time as short as 15 minutes. Visitors and residents should exercise caution during these months, particularly in May, June, and July, when UV readings are in the very high category. To protect against skin damage, it's advisable to seek shade, wear protective clothing, and apply sunscreen regularly. The UV Index decreases in late summer and fall, dropping to moderate levels in October and returning to low in the colder months, from January to March and again in November and December, allowing for more prolonged outdoor activities with reduced risk.
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 |
| Mount Pearl | 2 | 3 | 5 | 7 | 8 | 10 | 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 |