Last updated: July 2, 2025
In Ladner, Canada, understanding the UV Index is essential for safeguarding your skin and overall health. With UV levels peaking at a striking 9 during midday hours, awareness is crucial for preventing sunburn and long-term skin damage. Particularly in Ladner's temperate Csb climate, residents often underestimate the risks associated with UV exposure, especially during the sunnier months. By keeping an eye on the UV Index, you can take proactive steps to enjoy the outdoors safely while protecting your skin from harmful UV rays.
The UV Index data reveals a dynamic daily pattern of sun exposure. Starting gently at 1 at 7:00 AM, it gradually climbs, reaching 3 by 9:00 AM. The intensity peaks at 9 around 1:00 PM, signaling the highest risk for UV-related harm. As the afternoon progresses, the index dips, falling back to 5 by 4:00 PM, and dropping to 1 again by 7:00 PM. With such fluctuations, it’s essential to protect your skin during the peak hours of 11:00 AM to 2:00 PM when the UV Index hits 7 and above. Always remember, even on mild days, sunscreen and protective clothing are your best allies!
| 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 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences notable seasonal fluctuations throughout the year, indicating varying sun exposure levels. January begins with a low UV Index of 2, allowing for a burn time of 45 minutes. As spring approaches, February and March see moderate levels, with indices of 3 and 4 respectively, resulting in burn times of 30 minutes. However, April marks the start of high UV exposure with an index of 6 and continues into the summer months, peaking in July at 9—the most high-risk month—where only 15 minutes of unprotected sun exposure is safe. August remains very high, while September tapers to a high index of 6. By October, the UV Index dips back to 4, gradually returning to low levels by November and December, where residents and visitors can safely enjoy 45 minutes of sun without concern. Visitors and residents should take precautions, especially during May through August, utilizing sunscreen, protective clothing, and seeking shade during peak hours to minimize 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 |
| Ladner | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 8 | 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 |