Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Sackville, Canada, where the combination of a Dfb climate and varying sun exposure can significantly impact skin health. As UV levels fluctuate throughout the day, being aware of these changes can help you prevent sunburn and protect against long-term skin damage. With peak UV Index values rising to 8 around noon, it's vital to equip yourself with knowledge on when to seek shade, apply sunscreen, and take necessary precautions during the warmer months in Sackville. Stay informed, stay safe, and enjoy the sunshine responsibly!
As the day unfolds, the UV Index rises steadily, reaching its peak at 12:00 PM with a significant 8. The morning starts gently with a maximum of 1 at 7:00 AM, gradually escalating to 2 by 8:00 AM, and hitting 3 by 9:00 AM. The real intensity comes around 11:00 AM, when the index reaches 6, signaling the need for sun protection. From 12:00 PM to 2:00 PM, the UV Index remains high at 8, making it crucial to stay shaded and apply sunscreen. As the afternoon wanes, the index begins to decline, sliding down to 7 at 3:00 PM, and further to 5 by 4:00 PM. By 6:00 PM, the UV danger diminishes, dropping to 2, and eventually winding down to a safe 1 by 7:00 PM. Enjoy the sun, but don't forget your protection during the 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | 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 |
The UV Index exhibits notable seasonal variations, with the highest levels occurring during the summer months. May and June stand out as the months with the highest risk, featuring very high UV Index values of 9 and 10, respectively, allowing for a burn time as short as 15 minutes. From April to August, the UV exposure is particularly concerning, with values of 7 or more, categorizing these months as high to very high risk for skin damage. Visitors and residents are strongly advised to take precautions during these months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during midday hours when UV radiation is at its peak. As we transition into fall and winter, the UV Index decreases, becoming low in January and December, providing a reprieve from intense sun exposure and longer burn times of 45 minutes.
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 |
| Sackville | 2 | 4 | 5 | 7 | 9 | 10 | 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 |