Last updated: May 3, 2025
In Port Rowan, Canada, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially during peak exposure times. With a Dfb climate known for its warm summers, Port Rowan sees UV levels reaching as high as 9 around noon, emphasizing the need to be vigilant about sun protection. By keeping an eye on the UV Index, you can enjoy outdoor activities while minimizing your risk of sun-related health issues.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 08:00, it climbs to 2, indicating a mild increase in UV exposure. The real peak arrives at 12:00, where the index reaches a striking 9, underscoring the importance of sun protection during these hours. This high level remains steady until 14:00, followed by a gradual descent as the afternoon wanes: 8 at 15:00, 6 at 16:00, and continuing down to 2 at 18:00. As evening approaches, the UV Index drops to a soft 1 by 19:00, signaling a gentle close to the sun-soaked day. Remember to take precautions during the midday hours to safeguard your skin!
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal variations in the UV Index highlight key months for sun safety. January and December present low exposure levels with UV Index values of 2, allowing for safe, extended outdoor activities; however, February and March see a rise to a moderate index of 5, reducing burn time to 30 minutes. The critical period for high UV exposure occurs from April to August, marked by a very high index ranging from 8 to 10, where even brief sun exposure (as little as 15 minutes) can lead to skin damage. September declines to an 8, then drops to 6 in October, transitioning to high and moderate levels in the fall and winter months, respectively. November returns to a moderate index of 4. Visitors and residents are advised to practice sun safety with protective gear and sunblock, particularly during the high-risk months of April through August, to minimize UV-related health risks.
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 |
| 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 |
| Port Rowan | 2 | 5 | 5 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |