Last updated: May 3, 2025
In Burlington, Canada, awareness of the UV Index is crucial for maintaining skin health and preventing sunburns. Understanding UV levels helps residents and visitors alike make informed decisions about sun exposure, especially during the summer months when the risk of harmful UV radiation peaks. With a Dfb climate, Burlington experiences a mix of warm summers and cold winters, but even during milder seasons, the UV Index can rise to dangerous levels—reaching as high as 9 between 12:00 PM and 2:00 PM. By staying informed about the UV Index, you can protect your skin and enjoy the beautiful outdoors safely!
At 07:00, the UV Index begins at a mild 1, perfect for a leisurely morning stroll. As the sun rises higher, it gradually climbs to 2 by 08:00 and reaches 3 at 09:00. The intensity really kicks in at 10:00, jumping to 5, and soars to its peak of 9 by 13:00. This high exposure continues through 14:00, making midday the most crucial time for sun protection. As the afternoon wanes, the index dips to 7 at 15:00, then continues to decline to 5 at 16:00 and settles back to 3 by 17:00. The evening brings relief with a return to 2 by 18:00 and finally drops to 1 at 19:00. Make sure to stay protected during those peak hours!
| 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 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months occurring from April to August, where the UV Index consistently reaches 9, classifying it as very high. During these months, the burn time is a mere 15 minutes, emphasizing the need for caution. As winter approaches, the UV Index decreases, dropping to 2 in January and December, indicating a low risk of UV exposure, while February and March see moderate levels with indices of 4 and 5, respectively. Visitors and residents should prioritize protective measures such as using sunscreen, wearing protective clothing, and seeking shade, especially in the spring and summer months, when the sun's intensity is at its peak. Staying informed and alert can help mitigate the risks associated with UV exposure year-round.
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 |
| Burlington | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Toronto UVI | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |