Last updated: June 2, 2025
In Ridgetown, Canada, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. As residents enjoy the region's pleasant Dfb climate, understanding daily UV levels can be a game-changer in safeguarding against harmful sun exposure. With UV Index values peaking at 10 during midday hours, the risk of skin damage significantly increases, making it essential to plan outdoor activities accordingly. By staying informed about UV levels, Ridgetown locals can take proactive steps to protect themselves, ensuring that every sunny day is a safe and enjoyable one.
The UV Index data reveals an intriguing pattern over the course of the day. Starting at 07:00 with a mild 1, the sun begins to assert its intensity. By 09:00, the index climbs to 3, signaling that it's time to pay attention to sun safety. The heat intensifies, peaking at 13:00 and 14:00 with a formidable 10, denoting a high risk of harm from unprotected sun exposure. However, as the day progresses, there's a gradual decline; 15:00 sees a 8, settling down to a gentle 3 by 18:00. As evening falls, the UV Index drops to 1 at 19:00, offering a welcome respite. This data illustrates the importance of sun protection during peak hours, particularly between 11:00 and 14:00, when UV exposure is at its highest.
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | 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 | 1 | low | 45 min |
Seasonal variations in the UV Index highlight key months for sun safety. January and December present low exposure levels with UV Index values of 2, allowing for safe, extended outdoor activities; however, February and March see a rise to a moderate index of 5, reducing burn time to 30 minutes. The critical period for high UV exposure occurs from April to August, marked by a very high index ranging from 8 to 10, where even brief sun exposure (as little as 15 minutes) can lead to skin damage. September declines to an 8, then drops to 6 in October, transitioning to high and moderate levels in the fall and winter months, respectively. November returns to a moderate index of 4. Visitors and residents are advised to practice sun safety with protective gear and sunblock, particularly during the high-risk months of April through August, to minimize UV-related health risks.
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 |
| 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 |
| Ridgetown | 2 | 5 | 5 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |