Last updated: August 1, 2025
Understanding the UV Index in Saint-Théophile, Canada is crucial for protecting your skin and overall health. With its Dfb climate, the region experiences varying UV exposure throughout the day, peaking at levels of 8 around midday. Being aware of these levels is essential to prevent sunburn and safeguard your skin against long-term damage, especially during the sunniest hours. By learning how to interpret the UV Index, you can enjoy the outdoors while taking the necessary precautions to stay safe under the sun.
As the sun rises, the UV Index gradually climbs, starting at a mild 1 at 07:00. By 09:00, it reaches 4, signaling the beginning of a more significant UV exposure. The real intensity begins at 10:00, peaking at 8 between 12:00 and 14:00, ensuring that midday sun-seekers are well advised to apply sunscreen and seek shade. The afternoon sees a slight decline, with the index dropping back to 6 at 15:00 and continuing its descent to 3 by 17:00. As evening approaches, the UV Index returns to a safe 1 by 18:00, bringing an end to the day's sun exposure. Remember, during those peak hours, protection is key!
| 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 | 6 | high | 25 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 |
As the seasons change, so too does the UV Index, highlighting the need for awareness regarding sun exposure. January and December feature a low UV Index of 2, allowing for longer burn times of 45 minutes. In the spring, the UV Index begins to escalate, with April reaching a high of 7 (high exposure category) and a 25-minute burn time. The summer months, particularly May and June, present the greatest risk with a peak UV Index of 10 and a burn time of just 15 minutes. As we transition into late summer and fall, the UV Index decreases slightly, but September still holds a significant 7, indicating high risk. To ensure safety, residents and visitors should prioritize sun protection, especially from May through September, when UV radiation is at its highest. Appropriate measures include wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
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 |
| Saint-Theophile | 2 | 3 | 5 | 7 | 9 | 10 | 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 |