Last updated: May 3, 2025
In the stunning landscapes of Oljato-Monument Valley, being aware of the UV Index is crucial for your health and well-being. Understanding UV levels is vital for effective sunburn prevention and maintaining overall skin health, especially in a region known for its arid BSk climate. With UV radiation reaching its peak between 10:00 AM and 2:00 PM, where indices can soar up to 12, knowing when to seek shade and apply sunscreen can make all the difference. Stay informed, protect your skin, and enjoy the breathtaking beauty of this iconic location safely!
The UV Index reveals a dynamic shift throughout the day, starting from a gentle 1 at 7:00 AM and climbing steadily to a peak of 12 at 1:00 PM. Between 10:00 AM and 2:00 PM, sun exposure is most intense, with values reaching 9 and 11, making it crucial for outdoor activities to come with protective measures. As the afternoon progresses, the index begins to decline, offering relief with readings of 9 at 3:00 PM, 7 at 4:00 PM, and tapering off to 2 by 6:00 PM. For evening relaxation, the UV Index settles back to a minimal 1 by 7:00 PM, providing a gentle close to the day's solar intensity.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | 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 | 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 |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest levels typically occurring from April to August. During this period, the UV Index peaks at 12, indicating an extreme risk of harm from unprotected sun exposure, with a critical burn time of only 10 minutes. Consequently, March and September also represent high-risk months, with UV Index readings of 8 and 10, respectively, necessitating increased caution. As such, visitors and residents should prioritize sun protection strategies during these months—such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. Conversely, the winter months, particularly January, November, and December, feature lower UV levels categorized as moderate, allowing for relatively safer sun exposure, albeit still with care.
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 |
| Oljato-Monument Valley | 4 | 6 | 8 | 11 | 12 | 12 | 12 | 11 | 10 | 7 | 5 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |