Last updated: May 3, 2025
In Roan Mountain, United States, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels plays a pivotal role in sunburn prevention and maintaining overall skin health, especially during peak exposure times. Nestled in a temperate climate zone (Cfb), Roan Mountain experiences varying UV risks throughout the day, with indices peaking at 11 around midday. By staying informed about these readings, you can enjoy the beautiful outdoors while protecting yourself from the sun's damaging effects.
The UV Index for the day showcases a striking pattern, starting moderate at 7:00 AM with a value of 1. As the sun climbs higher, the index steadily rises, hitting 3 by 9:00 AM, and then surging to a peak of 11 between 1:00 PM and 2:00 PM. This indicates a high risk of harm from unprotected sun exposure during midday. Following the peak, the UV Index gradually declines to 4 by 5:00 PM and further decreases to 1 by 7:00 PM, emphasizing the critical importance of sun protection during the intense midday hours. It’s advisable to seek shade and wear sunscreen if you're outside during the peak period!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | 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 |
As seasons change, so do the UV Index levels and associated risk of sunburn for visitors and residents. From January to April, the UV Index gradually increases from 4 to an extreme level of 11, with March and April marking high-risk months for sun exposure, where burn times diminish to just 10 minutes. The summer months, particularly May through July, maintain this extreme UV Index, necessitating heightened sun safety measures. Following summer, the UV Index remains elevated in August and September, still classified as very high, but starts to ease by October. During November, the UV Index decreases, signaling a transition back to moderate levels by December. To ensure safety, individuals should adopt sun protection strategies, especially during high-risk months (March to September), wearing protective clothing, using sunscreen, and limiting direct sun exposure during peak hours.
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 |
| Roan Mountain | 4 | 6 | 8 | 11 | 11 | 11 | 11 | 10 | 10 | 8 | 6 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |