Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Fort Sumner, United States, as it serves as a vital tool for safeguarding skin health against harmful ultraviolet radiation. Knowing the daily UV levels—from the relatively low readings in the morning to the peak exposure around midday—enables individuals to take proactive measures to prevent sunburns and long-term skin damage. With Fort Sumner's BSk climate, characterized by its dry and sunny conditions, awareness of UV exposure risks is essential, especially during the summer months when the index can soar to dangerous levels. Stay informed and protect your skin from the sun’s powerful rays!
The UV Index throughout the day presents a fascinating shift in sun intensity. At 07:00, the index starts low at 1, indicating a safe environment for outdoor activities. As the morning progresses, it steadily climbs, reaching 4 by 09:00 and 7 by 10:00. The sunshine peaks around 12:00, hitting a robust 11, and even escalates to 12 by 13:00, marking the apex of midday sun exposure. However, the index begins to gracefully descend after this high, dropping to 8 by 15:00, and tapering off to 3 at 17:00. As the evening sets in, the index returns to the safety of 2 at 18:00 and further recedes to a gentle 1 by 19:00. This data underscores the importance of sun safety during peak hours, particularly between 11:00 and 14:00, when protective measures are most crucial.
| 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Over the year, UV levels exhibit significant seasonal changes, peaking during the summer months. January and December have a moderate UV Index of 4, allowing for a burn time of 30 minutes. As we move into February, the UV Index rises to 7 (high), and by March, it escalates further to 9 (very high) with a reduced burn time of 15 minutes. The extreme levels begin in April with an Index of 11, continuing until July, where the Index remains high at 12-13, requiring only 10 minutes for potential skin damage. August maintains this extreme level, followed by a slight decline in September (10) and October (8). November sees a drop to 6 (high), and then it returns to 4 in December. Therefore, visitors and residents should take extra precautions from April to August, when the UV Index reaches extreme levels—wear protective clothing, apply sunscreen frequently, and limit exposure during peak hours to minimize the risk of skin damage.
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 |
| Fort Sumner | 4 | 7 | 9 | 11 | 12 | 13 | 12 | 12 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |