Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Weyburn, Canada, where the unique Dfb climate can lead to significant sun exposure, especially during the summer months. Knowing the UV levels not only aids in preventing sunburn but also plays a vital role in long-term skin health. With midday UV Index readings frequently reaching highs of 9, residents are urged to take precautions against harmful rays. By staying informed about these levels, you can enjoy the beautiful Weyburn sunshine while protecting your skin from potential risks.
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 experiences significant seasonal changes, particularly peaking in the late spring and summer months. April to August are identified as high-risk months, with UV Index values reaching as high as 9, categorized as very high, indicating a burn time of just 15 minutes. Visitors and residents are strongly advised to take protective measures during these months, such as wearing sunscreen, sunglasses, and protective clothing, especially during midday hours when the sun's rays are most intense. From September to October, the risk decreases but remains moderate, so continued sun protection is recommended. In contrast, January, November, and December exhibit a low UV Index, allowing for safer outdoor activities with a longer burn time of 45 minutes; however, awareness is still essential to maintain skin health year-round.
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 |
| Weyburn | 2 | 4 | 5 | 8 | 8 | 9 | 9 | 8 | 7 | 4 | 2 | 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 |