Last updated: July 2, 2025
Understanding the UV Index in Shiprock, United States, is crucial for protecting your skin from harmful ultraviolet rays. With peak UV levels reaching up to 12 during the afternoon, awareness of these numbers is essential for preventing sunburn and maintaining overall skin health. Shiprock, located in a BSk climate zone, experiences dry, sunny conditions that can increase UV exposure risks, particularly during the summer months. By keeping an eye on the UV Index, residents and visitors alike can enjoy the outdoors safely while safeguarding their skin against the damaging effects of the sun.
The UV Index rises sharply as the day unfolds, starting gently at 1 by 7:00 AM. As the sun climbs higher, it reaches 2 by 8:00 AM and then jumps to 4 by 9:00 AM. The intensity peaks around midday, hitting a striking 11 at 12:00 PM, followed closely by a maximum of 12 from 1:00 PM to 2:00 PM. In the afternoon, the index begins to decline, dropping to 10 by 3:00 PM and further down to 5 by 5:00 PM. As daylight wanes, the value lowers to 1 by 7:00 PM, indicating a rapid decrease in UV exposure. This cyclical pattern highlights the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM when the UV Index is highest.
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, peaking during late spring and summer months. January sees a moderate UV Index of 4, allowing for a burn time of 30 minutes, while February reaches a high index of 7 with a burn time of just 25 minutes. As March arrives, the index escalates to 9, classified as very high, with a notably reduced burn time of 15 minutes. The situation becomes critical from April to September, where the UV Index remains at an extreme level of 11 to 13, and the burn time drops to just 10 minutes. October marks a slight reduction in risk with a UV Index of 8 and a burn time of 15 minutes. Finally, November and December revert to moderate levels, with indices of 5 and 4, respectively. Visitors and residents are strongly advised to take precautions during high-risk months—particularly from March through October—by wearing protective clothing, applying sunscreen regularly, and limiting sun exposure, especially during peak midday 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 |
| Shiprock | 4 | 7 | 9 | 11 | 12 | 13 | 12 | 12 | 11 | 8 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |