Last updated: May 3, 2025
In Green's Harbour, Canada, staying informed about the UV Index is crucial for protecting your skin and overall health. Knowing the UV levels helps you take necessary precautions against sunburn and long-term skin damage, especially during the peak hours from late morning to early afternoon when the index reaches levels of 7 to 8. With a Dfb climate that features distinct seasons, residents often enjoy sunny days, but these also come with increased risks of UV exposure. By understanding the UV Index, you can enjoy the beautiful outdoors while prioritizing your skin's safety.
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 exposure fluctuates significantly, with high-risk months primarily from April to August. In April, the UV Index reaches a high level of 7, marking the beginning of increased skin exposure risk, which intensifies into the very high category of 8 and 9 during May, June, and July. Visitors and residents should take precautions particularly between April and August, where a burn can occur in as little as 15 minutes during the peak months. As summer fades into early fall, the UV Index decreases, returning to a moderate level by October and then to low levels in November and December. It's essential for everyone to practice sun safety by using sunscreen, wearing protective clothing, and seeking shade during peak hours, especially in the high-risk periods.
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 |
| Green's Harbour | 2 | 3 | 5 | 7 | 8 | 9 | 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 |