Last updated: July 2, 2025
In Catalina, Canada, understanding the UV Index is crucial for safeguarding your skin health while enjoying the great outdoors. With UV levels peaking at 8 during midday, awareness of these numbers can help you take essential precautions against sunburn and long-term skin damage. Catalina's Dfb climate brings sunny summers and a fair amount of UV exposure, making it important for residents and visitors alike to stay informed. By knowing the UV Index, you can plan your activities wisely and protect yourself and your loved ones from harmful rays.
The UV Index throughout the day paints a vivid picture of sun intensity. Starting off low at 1 at 07:00, it gradually climbs to a moderate 3 by 08:00. As the morning progresses, the index reaches 4 at 09:00 and hits a notable 6 by 10:00. The peak unfolds at 12:00 and 13:00, where it soars to 8, indicating a strong need for sun protection. By 14:00, it starts to taper off at 7, easing to 6 at 15:00. As the day winds down, the UV Index continues to decline, dipping to 2 by 17:00 and settling back to 1 by 18:00 and 19:00. This data serves as a crucial reminder to enjoy the sun safely during its most intense hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal UV changes reflect a gradual increase in the UV Index, peaking during the summer months. Notably, high-risk months include May, June, and July, when the UV Index reaches the very high category, indicating a burn time of just 15 minutes. Visitors and residents should be particularly cautious during this period by adopting protective measures such as wearing sunscreen, hats, and sunglasses to shield themselves from harmful UV radiation. In contrast, the winter months (January, November, and December) exhibit a low UV Index, allowing for longer exposure times of up to 45 minutes without significant risk. Regardless of the month, it's essential to stay informed and adjust outdoor activities accordingly to ensure safety from sun exposure year-round.
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 |
| Catalina | 2 | 3 | 5 | 6 | 8 | 10 | 8 | 7 | 6 | 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 |