Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Woodstock, Canada, where sunny days can bring hidden dangers for your skin. With maximum UV levels peaking at 10 in midday hours, awareness is key to preventing sunburn and promoting long-term skin health. Woodstock's Dfb climate presents a unique blend of four seasons, but during the warmer months, the risk of UV exposure rises significantly. By staying informed about daily UV levels, you can take the necessary precautions to enjoy the outdoors safely while protecting your skin from harmful effects.
As the sun rises, the UV Index slowly begins to climb, peaking dramatically around 1:00 PM with a significant 10. Starting from a mild 1 at 7:00 AM, the UVI escalates through the morning, reaching 8 by noon. The sun's intensity continues to impress, hitting a maximum of 10 at 1:00 PM before gradually descending in the afternoon. By 3:00 PM, it drops to 8, then further declines to 6 by 4:00 PM, and settles at 1 again by 7:00 PM. It's essential to stay protected during the midday hours when UV exposure is most intense, ensuring a safe and enjoyable time outdoors.
| 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 | 8 | very high | 15 min |
| 13:00 | 10 | 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 |
Throughout the year, UV exposure fluctuates significantly. January sees a low UV Index of 2, while by February and March, it rises to 4 and 5, indicating moderate exposure and a burn time of 30 minutes. As spring progresses into April, the UV Index sharply increases to 8, categorized as very high, marking the beginning of high-risk months, which continue through May, June, July, and August with UV Index values reaching a peak of 10. Visitors and residents should take particular caution during these summer months, as burn time drops to just 15 minutes under peak conditions. September maintains a high risk with an 8 index, while the UV Index drops back to moderate levels in October (5) and November (4) before returning to low levels in December (2). To minimize the risk of UV exposure, it is essential for individuals to wear sunscreen, protective clothing, and seek shade, especially from late spring through early fall.
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 |
| Woodstock | 2 | 4 | 5 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 4 | 2 |