Last updated: June 2, 2025
In Hanna, Canada, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. As this charming town experiences a humid continental climate, residents and visitors alike should understand the risks associated with UV exposure, particularly during the sunniest hours of the day. With maximum UV Index levels peaking at 8 between 1 PM and 2 PM, knowing how to protect your skin becomes essential, enabling you to enjoy the great outdoors safely and effectively. Stay informed and play it safe under the sun!
From dawn to dusk, the UV Index displays a dynamic rise and fall throughout the day. At 7:00 AM, it starts off conservatively at 1, indicating minimal exposure risk. As the sun climbs higher, the index gradually increases, peaking at 8 between 1:00 PM and 2:00 PM—a time when sun protection is crucial. Following this zenith, the index begins to decline, dipping back to 4 by 5:00 PM, and finally settling at 1 again by 7:00 PM. If you're planning outdoor activities, keep an eye on the UV levels, particularly during midday when they reach their highest and most potent levels!
| 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 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | 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 |
| Hanna | 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 |