Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Leamington, Canada, where the climate can heighten exposure to harmful UV rays. With typical summer peaks reaching as high as 10, it's essential to stay informed about UV levels to effectively prevent sunburn and safeguard skin health. Leamington's climate, categorized as Dfb, features warm summers that can bring elevated UV risks throughout the day. Whether you are enjoying outdoor activities or simply spending time in your garden, knowing the UV Index empowers you to take protective measures and keep your skin safe from the sun's damaging effects.
From the early morning hours, UV Index levels remain low, peaking at 1 until 09:00. As the day unfolds, there's a notable rise, hitting 5 by 10:00 and soaring to a striking 10 at its zenith between 13:00 and 14:00. This period marks the sun's intensity at its strongest, urging caution for those venturing outdoors. After 14:00, the index gradually declines, settling to 3 by 18:00. As dusk approaches, the UV Index drops further to 1 by 19:00, indicating a safe return for outdoor activities. Stay protected during the midday hours when the sun’s rays are at their peak!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 10 | very high | 15 min |
| 14:00 | 10 | 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, with the highest risk months occurring from March to September, when the index consistently ranges between 6 and 10. Specifically, April to August feature very high levels, with peak values reaching 10 in June and July, corresponding to a dangerously short burn time of 15 minutes. In contrast, January and December present lower UV risks, categorized as moderate to low, with corresponding burn times of 30 minutes and 45 minutes, respectively. To safeguard your skin, it is crucial for visitors and residents to adopt protective measures, especially during the peak months by using sunscreen, wearing protective clothing, and seeking shade during midday hours to reduce UV exposure effectively.
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 |
| Leamington | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |