Last updated: August 1, 2025
In Port-Cartier, Canada, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially during the warmer summer months. Given Port-Cartier's Dfc climate, it experiences moderate sunlight exposure, which can still pose significant risks. The UV Index can peak at 7 between 11:00 AM and 2:00 PM, highlighting the importance of planning outdoor activities accordingly. Stay informed and enjoy the sun safely!
The UV Index reveals a notable increase in solar intensity as the day progresses, peaking between 11:00 AM and 2:00 PM with a maximum value of 7. It starts off gently at 1 at 7:00 AM, allowing for a calm morning, but quickly escalates to 3 by 8:00 AM and reaches 5 by 10:00 AM. As the sun climbs higher, the UV Index hits its zenith of 7 during the midday hours, emphasizing the need for sun protection. After 2:00 PM, there’s a gradual decline in UV levels, dropping to 5 by 3:00 PM, and continuing down to 1 by 6:00 PM. This data highlights the importance of being sun-smart during peak hours, especially between 11 AM and 2 PM 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 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index varies significantly throughout the year, indicating fluctuating levels of ultraviolet radiation exposure. During the winter months of January (UV Index 2) and February (UV Index 3), the exposure risk is relatively low to moderate, allowing for longer burn times of up to 45 minutes in January. As spring approaches in March (UV Index 4), the risk increases to moderate, with a burn time reduction to 30 minutes. The most high-risk months, however, are May and June, where UV levels peak at 9, categorized as very high, necessitating sun protection measures within just 15 minutes. Although July and August maintain high levels (UV Index 7), the burn time increases to 25 minutes. Fall sees a gradual decline, with September (UV Index 6) returning to high levels but extending burn time to 25 minutes, before dipping back to moderate in October (UV Index 4) with a burn time of 30 minutes, and finally to low risk in November (UV Index 2) and December (UV Index 1), where burn time reverts to 45 minutes. Residents and visitors should remain vigilant during the high-risk months of May through September, employing effective sun protection strategies, including sunscreen, hats, and protective clothing, especially 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 |
| Port-Cartier | 2 | 3 | 4 | 7 | 9 | 9 | 7 | 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 |