Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Brantville, Canada, where the local climate (Dfb) can bring varying sun exposure levels throughout the year. Being aware of UV levels helps prevent sunburn and supports long-term skin health, ensuring you enjoy the outdoors safely. With peak values reaching 9 during midday hours, the sun can be particularly intense, putting residents at risk for harmful effects. By staying informed and taking proper precautions, you can protect yourself and your loved ones from the sun’s rays while making the most of Brantville's beautiful summer days.
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 |
Throughout the year, the UV Index shows marked seasonal changes that highlight the importance of sun protection. From January to March, the UV Index remains relatively low to moderate (2-5), with longer burn times of up to 45 minutes in January. However, April through August sees a significant rise in UV exposure, peaking in June with a UV Index of 9 and a burn time as short as 15 minutes. The highest risk months for UV exposure are May through August, categorized as very high. As summer transitions into fall, the risk decreases slightly, with September reverting to a high category (UV Index of 7) before entering a more moderate phase in October and November. December concludes the year with minimal UV threat (Index of 1). Visitors and residents should take precautions during high-risk months, such as wearing sunscreen, protective clothing, and sunglasses, especially during peak sunlight hours to reduce the risk of skin damage.
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 |
| Brantville | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 8 | 7 | 5 | 3 | 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 |