Last updated: May 3, 2025
Being aware of the UV Index is crucial in Del Norte, United States, where exposure to ultraviolet rays can pose significant risks to your skin health. Understanding UV levels helps you take appropriate precautions against sunburn and long-term skin damage, particularly during peak hours of sunlight. With a Dfb climate characterized by both cool and warm months, the UV Index can reach alarming levels, peaking at 12 around midday. Stay informed and protect yourself by checking the UV Index regularly to ensure safe outdoor experiences!
As the sun rises, the UV Index begins its upward climb, reaching 1 at 07:00 before steadily increasing throughout the morning. By 09:00, it hits 4, signaling a moderate level of UV exposure. The intensity peaks spectacularly at 12:00, soaring to a striking 12, indicating elevated risk for unprotected skin. This peak remains steady until 14:00, before a gradual decline starts to take place. By 15:00, the index drops to 9, and as the day wanes, it settles back down to 1 by 19:00. It's a powerful reminder of the sun's strength and the importance of sun protection during those midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal variations that directly affect sun exposure risks. From January to February, the UV Index rises from 4 (moderate) to 7 (high), decreasing the safe burn time from 30 minutes to 25 minutes. March marks a notable increase to 10 (very high) and a burn time of just 15 minutes, while April and May reach an extreme level of 12, with only 10 minutes of safe exposure. The intensity peaks in June and July at 13 (extreme), maintaining a 10-minute burn time, before slightly decreasing in August to 12 and September to 11. As the year progresses into October, the index drops to 8 (very high) with a burn time of 15 minutes, followed by November and December, where the index returns to lower levels of 6 (high) and 4 (moderate), encouraging 25 and 30 minutes of safe exposure respectively. **Visitors and residents are advised to take extra precautions during the high-risk months from March through October, particularly between April and August, when the UV Index is at its most extreme. Always use sunscreen, wear protective clothing, and seek shade during peak sun hours to minimize the risk of sunburn and related health issues.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |
| Del Norte | 4 | 7 | 10 | 12 | 12 | 13 | 13 | 12 | 11 | 8 | 6 | 4 |