Last updated: June 2, 2025
Understanding the UV Index in Calmar, Canada is crucial for protecting your skin and promoting overall health in this Dfb climate region. With UV levels peaking at a significant 7 during the midday hours, awareness helps residents prevent sunburn and mitigate long-term skin damage. By familiarizing yourself with the day's UV exposure risks, you can enjoy outdoor activities while safeguarding your skin against harmful rays, especially in Calmar’s sunny summer months. Stay informed and protect yourself from the sun’s intensity!
The UV Index today starts off mildly at 1 by 7:00 AM, gradually ramping up as the sun climbs higher in the sky. By 10:00 AM, it reaches a moderate 4, signaling a shift as the rays become more intense. The peak UV Index of 7 occurs between 12:00 PM and 15:00 PM, highlighting the importance of sun protection during these hours. As the afternoon wanes, the index begins to drop, landing at 5 by 4:00 PM and gently retreating to 3 by 6:00 PM. Even in the evening, it's wise to remain vigilant, as the UV levels linger between 2 and 3. Plan your day accordingly to enjoy the sun safely!
| 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 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal fluctuations, with the highest exposure levels occurring during the summer months. From May to August, the UV Index peaks at 7 to 8, categorizing these months as high to very high risk for sunburn, with burn times as low as 15 minutes in July. Visitors and residents are particularly advised to take precautions during these months, including seeking shade, wearing protective clothing, and applying sunscreen frequently. Conversely, the winter and early spring months (January, November, and December) present a much lower risk with UV Index values ranging from 1 to 2 and burn times extending to 45 minutes. Overall, while UV exposure increases steadily from February onwards, the most critical months for sun safety are June to August; vigilant sun protection during this time is essential.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calmar | 1 | 3 | 4 | 5 | 7 | 7 | 8 | 7 | 6 | 4 | 2 | 1 |
| 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 |