Last updated: May 3, 2025
Understanding the UV Index is crucial for everyone in Cape Charles, United States, where sunny days and warm weather invite outdoor activities but also elevate the risk of harmful sun exposure. Knowing the UV levels helps you protect your skin from sunburn and long-term health issues, such as skin cancer. With the region's Cfa climate, Cape Charles experiences notable UV intensity, especially during midday hours when the index peaks at levels 10 and above. Stay informed to enjoy the sun safely and maintain your skin’s health!
At dawn, the UV Index starts at a mild 1 by 07:00, gradually climbing to 2 by 08:00 as the sun rises. The warmth intensifies, reaching 4 at 09:00 and peaking at a significant 10 between noon and 14:00, signaling the need for sun protection. As the afternoon rolls in, the index begins to dip, settling at 8 by 15:00 before tapering off further to 5 at 16:00. By the evening, the UV levels gracefully descend back to 2 at 18:00 and return to a safe 1 by 19:00, marking a day's journey through varying sun exposure. Be mindful of the midday sun, and stay protected during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 |
As the seasons change, so do the UV Index levels, prompting varying levels of sun safety awareness among visitors and residents. From January to February, the UV Index remains moderate (3-5), with burn times of 30 minutes. However, March marks the beginning of higher risk, with a surge to a high index of 7 and a reduced burn time of 25 minutes. The danger escalates in April and May, reaching very high levels (9-10) and shortened burn times of just 15 minutes. July stands out with an extreme UV Index of 11, where even 10 minutes of unprotected sun exposure can lead to burns. Subsequently, from August to October, the index remains high but gradually decreases to 8 in October, requiring vigilance with a burn time of 15 minutes. In the cooler months of November and December, the UV level drops back to moderate (3-5) with a longer burn time of 30 minutes. To protect against overexposure, it is crucial for everyone to use sunscreen and wear protective clothing, especially during the high-risk months from March through September.
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 |
| Cape Charles | 3 | 5 | 7 | 9 | 10 | 10 | 11 | 10 | 8 | 8 | 5 | 3 |
| 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 |