Last updated: June 2, 2025
Understanding the UV Index in Prevost, Canada is crucial for safeguarding your skin throughout the sunny months. As UV radiation levels rise, particularly between the hours of 10 AM and 2 PM, so does the risk of sunburn and long-term skin health issues. With Prevost's Dfb climate, which brings warm summers, residents should be especially vigilant about monitoring UV exposure during peak hours, when the index can reach as high as 9. By staying informed and taking necessary precautions, you can enjoy the outdoors while minimizing the risks associated with harmful UV rays.
The UV Index reveals a dynamic day of sun exposure, starting with a gentle 1 at 07:00 and gradually ramping up as the morning unfolds. By 09:00, it climbs to 4, reaching a more noteworthy 6 at 10:00. As the sun reaches its zenith, the UV Index peaks at 9 during the crucial hours of 12:00 and 13:00, indicating a high risk of harm from unprotected sun exposure. The intensity begins to wane after 14:00, settling to 7 at 15:00 before gradually decreasing to 1 by 19:00. Remember to protect your skin between 11:00 and 14:00 when the sun’s rays are at their most dangerous!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates notable seasonal changes, with higher values typically occurring during the late spring and summer months. From April through August, UV levels peak, particularly in May and June, where the index reaches 9, indicating a very high risk of harm from unprotected sun exposure and a burn time of just 15 minutes. July and August maintain UV levels of 8, also classified as very high. High-risk months are particularly concentrated from April to September, where residents and visitors are advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade during the peak sun hours. Conversely, winter months such as January and December present a much lower risk, with a UV Index of 2 and low exposure category, allowing for more time outdoors without significant risk. It's crucial for everyone to stay informed on local UV levels and adjust sun safety practices accordingly, particularly during the high exposure months.
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 |
| Prevost | 2 | 4 | 5 | 7 | 9 | 9 | 8 | 8 | 7 | 5 | 3 | 2 |
| 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 |