Last updated: August 1, 2025
In Saint-Mathieu-de-Rioux, Canada, staying informed about the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels helps in preventing sunburn and long-term skin damage, especially during the peak exposure hours when the index reaches its highest values of 8 between 1 PM and 2 PM. With a Dfb climate, characterized by warm summers and cold winters, residents must remain vigilant about UV exposure, particularly during sunny days. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting your skin from harmful rays.
The UV Index today reveals a dynamic sun journey, beginning at 1 at 07:00 and gradually climbing to its peak of 8 by 13:00, indicating high sun exposure. As the morning unfolds, the levels rise from 2 at 08:00 to a noteworthy 5 by 10:00, urging early sun seekers to apply sunscreen. The intensity remains robust, holding steady at 7 from 11:00 to 12:00, before slightly dipping post-lunchtime. By the afternoon, we see a gradual decline, with values easing to 6 at 15:00 and sinking to 1 by evening. Stay vigilant and protect your skin 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 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels vary significantly, with high-risk months typically occurring from April to August. During this period, the UV Index peaks at 9 in June, categorized as very high, where burn time drops to just 15 minutes. Specifically, May and June present especially elevated risk, while March marks the transition into spring with a moderate exposure level of 5. Conversely, winter months such as January (UV Index 2) and December (UV Index 1) offer a much lower risk, with burn times stretching up to 45 minutes. Visitors and residents are strongly advised to use sun protection during the spring and summer months, including wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. Remember to stay informed and assess your local UV Index to safeguard your skin throughout the seasons.
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 |
| Saint-Mathieu-de-Rioux | 2 | 3 | 5 | 7 | 8 | 9 | 8 | 8 | 6 | 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 |