Last updated: May 3, 2025
In Dallesport, United States, staying informed about the UV Index is crucial for safeguarding your skin from harmful sun exposure. Understanding UV levels not only helps in preventing sunburn but also plays a key role in maintaining long-term skin health. With a climate characterized as Csb, residents often experience peak UV levels reaching 9 around midday, making it essential to take protective measures during the summer months. Being aware of the daily UV fluctuations empowers you to enjoy the outdoors safely while minimizing the risk of UV-related health issues.
The UV Index for the day showcases a notable rise in intensity as the sun climbs higher in the sky. Starting at a low of 1 at 7:00 AM, the index gradually increases to a moderate level of 3 by 9:00 AM. However, from 10:00 AM onward, things heat up significantly, peaking at a scorching 9 from noon to 2:00 PM. As the afternoon progresses, the UV Index gradually dips back to a friendly 3 by 5:00 PM, then descends further to 1 by the time evening sets in. This pattern underscores the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM, when UV levels are at their highest.
| 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 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly. January and December typically present a low risk with a UV Index of 2, allowing for about 45 minutes of sun exposure before burning. As spring approaches, February jumps to a moderate level (UV Index 4), indicating a burn time of 30 minutes. March and April see a rise to high UV levels (Index 6 and 7), with burn times decreasing to 25 minutes. The summer months, particularly May through August, are the most critical, marked by very high UV Index readings of 9 to 10, necessitating a mere 15 minutes of exposure before risking sunburn. September remains very high at UV Index 8 but provides a slightly extended burn time of 15 minutes. As temperatures cool, October and November return to a moderate category (UV Index 3 to 5), allowing 30 minutes of safer sunlight exposure. Residents and visitors alike should remain vigilant during the high-risk months of May to September, practicing sun safety by seeking shade, wearing protective clothing, and applying sunscreen regularly to reduce skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dallesport | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| 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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |