Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Parry Sound, Canada, where the sun's rays can pose significant risks, particularly during the warmer months. Awareness of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With Parry Sound's humid continental climate, typical UV exposure peaks around midday, often reaching high levels (up to 9 on the index) that increase the risk of harmful effects. Keeping an eye on the UV Index ensures you’re well-prepared for outdoor activities and can enjoy the beautiful natural surroundings safely.
Between 07:00 and 19:00, the UV Index peaks dramatically, offering a clear indication of sun exposure. Starting at a mild 1 at dawn, the intensity steadily climbs, reaching 9 by 13:00, when the sun is most potent. This period from 12:00 to 14:00 is particularly critical, with the index soaring to a maximum of 9—a reminder to seek shade and apply sunscreen. As the day progresses, the index gradually decreases, dropping back to 2 by 18:00 and tapering off to 1 as the sun sets. Staying informed about these fluctuations is essential for protecting your skin while enjoying outdoor activities!
| 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 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 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 |
As the seasons change, so does the UV Index, which indicates the potential for skin damage from sun exposure. January and December experience lower UV levels with indices of 2, categorized as low, providing a burn time of 45 minutes. However, as we move into May through August, the UV index reaches a peak of 9, classified as very high, significantly reducing safe exposure time to just 15 minutes. The high-risk months notably include April through August, where precautions are essential. It is advisable for both visitors and residents to stay vigilant during these months, wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours to mitigate the risks of skin damage. As the UV levels drop in September through November, a return to moderate caution is warranted, but protection should still be considered during outdoor activities.
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 |
| Parry Sound | 2 | 4 | 5 | 7 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Toronto UVI | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |