Last updated: June 2, 2025
In James Town, United States, understanding the UV Index is crucial for safeguarding your skin and overall health. With a climate classified as BSk—characterized by warm summers and relatively low humidity—residents and visitors alike must be aware of the potential for high UV exposure. During peak sunlight hours, particularly around noon when the UV Index can soar to 11 or even 12, the risk of sunburn and long-term skin damage increases significantly. By keeping track of UV levels, you can take vital measures to protect yourself, ensuring fun in the sun while prioritizing your skin's health. Stay informed and enjoy the outdoors safely!
At dawn, the UV Index starts at a mild 1 at 07:00, gradually climbing to 2 by 08:00. As the sun rises higher, it reaches 4 at 09:00 and skyrockets to 6 by 10:00. The intensity peaks at 11:00 with a strong 9, followed by an even more intense 11 at noon. The UV rays continue to surge, hitting a maximum of 12 at 13:00 and again at 14:00. A gradual decline begins in the afternoon, dropping to 10 at 15:00 and further down to 7 by 16:00. As evening approaches, the index tapers off, settling at 5 at 17:00, 3 at 18:00, and finally retreating back to a safe 1 by 19:00. Be sure to take precautions during those peak hours when the UV Index reaches its zenith!
| 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest values occurring from April to August. During this period, particularly in May and June, the UV Index peaks at 12, classifying it as extreme and allowing for a burn time of only 10 minutes. The high-risk months are thus identified as April, May, June, July, and August, where exposure to UV radiation can lead to skin damage if precautions are not taken. Visitors and residents are strongly advised to practice sun safety by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours to minimize the risk of sunburn and long-term skin damage. As the UV Index decreases towards the end of the year, individuals can enjoy more moderate exposure during November and December, when the risk is considerably lower.
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 |
| James Town | 4 | 6 | 7 | 10 | 11 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |