Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Petrolia, Canada, where sun exposure can significantly impact skin health and overall wellbeing. With UV levels peaking at 10 during the midday hours, awareness of these fluctuations can help prevent painful sunburns and long-term skin damage. Nestled in a Dfb climate zone, Petrolia experiences a mix of warm summers and cold winters, making it essential for residents to be vigilant about UV risks, especially during sunny days. By keeping an eye on the UV Index, you can enjoy the outdoors while protecting your skin and staying healthy.
As the sun rises, the UV Index begins to climb steadily throughout the morning, starting from a low of 1 at 07:00. By 09:00, it reaches 3, but the real surge occurs between 10:00 and 14:00, when it peaks at a remarkable 10. This indicates a high risk of harm from unprotected sun exposure. After 14:00, the intensity begins to wane, dipping to 8 at 15:00 and gradually decreasing to 3 by 18:00. As the day winds down, the UV Index falls back to a safe 1 by 19:00, reminding us of the importance of sun protection during those peak hours. Stay vigilant and protect yourself when the sun is at its strongest!
| 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 | 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 | 7 | 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 shows significant seasonal variations that influence sun exposure risks for both visitors and residents. From January to March, the index starts low at 2 but rises to 5 by March, indicating moderate exposure risks with burn times decreasing from 45 minutes to 30 minutes. The spring and summer months, particularly April to August, present the highest risks, with UV Index values soaring to 9 and 10 during the peak months of May and June. Here, the burn time drops dramatically to just 15 minutes, categorizing these months as very high risk. September sees a slight decrease to 7 (high exposure) while October and November return to moderate levels with indices of 5 and 4. As winter arrives in December, the UV Index falls to 2, marking a return to low exposure risks. It's crucial for everyone to be aware of these fluctuations: during high-risk months, especially from April to August, it is advisable to limit sun exposure, wear protective clothing, and apply sunscreen regularly to prevent 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 |
| 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 |
| Petrolia | 2 | 4 | 5 | 8 | 9 | 10 | 9 | 9 | 7 | 5 | 4 | 2 |