Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Irricana, Canada, where the climate zone is classified as Dfb, featuring cold winters and warm summers. Knowing the UV levels each day can significantly help in preventing sunburn and protecting skin health, especially during peak hours when the index reaches as high as 8 around noon to 3 PM. With typical exposure risks increasing in sunnier months, it's essential to stay informed about UV levels to enjoy the outdoors safely while safeguarding your skin from potential harm.
The UV Index throughout the day showcases a dynamic pattern in sunlight intensity, starting with a mild 1 at 07:00 and 08:00. As the sun climbs higher in the sky, it reaches a moderate 3 by 09:00. The real surge begins at 10:00 when the index hits 4, peaking at 12:00 and 13:00 with an impressive 8. This peak lasts through 14:00 and 15:00, reminding us to take precautions under the blazing sun. As the day progresses, the intensity gradually decreases, dipping to 6 at 16:00, and then fading further to 4, 3, and finally 2 by 19:00. It's a clear reminder of the sun's power and the importance of sun protection during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
As the seasons shift, the UV Index reflects notable changes in sun exposure risk, peaking during the summer months. From April to August, the UV Index rises significantly, reaching levels of 7 to 8, categorizing these months as high to very high risk for sunburn, with the minimum burn time dropping to just 15 minutes in June, July, and August. January and February begin with low to moderate exposure, easing gradually until the spring months. October marks a decrease to moderate levels again, while November and December return to low UV exposure, allowing for greater safety. Residents and visitors should take precautions during the high-risk months of April through August, such as wearing protective clothing, applying sunscreen frequently, and seeking shade during peak 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 |
| Irricana | 2 | 3 | 4 | 7 | 7 | 8 | 8 | 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 |