Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Virginia City, as it serves as a powerful indicator of sun exposure risk. With higher UV levels posing significant threats to skin health, awareness can aid in preventing sunburn and long-term damage. Nestled in a Dfb climate zone, Virginia City experiences varying levels of UV radiation throughout the day, peaking with an index of 11 around midday. This rising trend underscores the importance of protective measures against harmful rays, especially during the summer months, ensuring you can enjoy the area's stunning outdoor activities while safeguarding your skin.
As the day unfolds, the UV Index takes a dramatic rise, reaching its peak at 13:00 with a striking 11. Starting from a gentle 1 at 07:00, sun-seekers can revel in the gradual increase, as the index climbs steadily through the morning. By 10:00, it spikes to 5, and just a couple of hours later, it hits 7. The intensity of UV rays reaches its zenith at 12:00, hitting 10, before maintaining its strength until 14:00. A noticeable decline begins afterward, with readings of 9 at 15:00, tapering down to 5 by 17:00. As the sun sets, the index drops back to a safe 1 by 19:00, making the early hours the best time for outdoor activities while still keeping in mind the importance of sun protection.
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels exhibit marked seasonal variations, with high-risk months primarily between March and August. In March, the UV Index climbs to 7 (high), transitioning into a very high UV Index of 9 in April and peaking at an extreme level of 11 from May to July. In August, the UV Index slightly decreases to 10 (very high), followed by a gradual reduction through the fall months, dropping to a low of 2 (low) in December. Visitors and residents are advised to take precautionary measures during the high-risk months, especially by seeking shade, wearing protective clothing, and applying sunscreen regularly, as burn times can be as short as 10 minutes during peak months. Stay informed and take care of your skin health!
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 |
| Virginia City | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 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 |