Last updated: June 2, 2025
In Crofton, United States, understanding the UV Index is crucial for safeguarding your skin and overall health. With peak levels soaring as high as 11 during midday, awareness of UV exposure can make all the difference in preventing sunburn and long-term skin damage. Crofton's Dfa climate brings warm summers with significant sun exposure, making it essential for residents to stay informed about daily UV levels. By monitoring this invaluable index, you can enjoy the outdoors while protecting yourself from potential risks associated with heightened UV radiation.
The UV Index shows a dramatic rise as the morning unfolds, starting at a low of 1 at 07:00. By 08:00, it gently climbs to 2, and by 09:00, it reaches 3. The mid-morning reveals a surge, peaking at 5 by 10:00. As the sun reaches its zenith, the UVI soars to a staggering 10 at noon, with a climb to 11 at 13:00, marking the highest point of the day. Just after, it gradually dips, but remains considerable at 10 by 14:00 and 9 at 15:00. The afternoon sees a striking decrease to 7 at 16:00 and continues to fall, landing at 3 by 18:00, before tapering off to 1 by 19:00. It's a clear reminder to stay sun-safe during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 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, the UV Index exhibits notable seasonal fluctuations, peaking during the summer months. From January to April, the index gradually rises from 3 to 8, indicating a shift from moderate to very high risk. The risk of harm significantly increases in May and reaches its zenith in June with an extreme index of 11. High-risk months include March (UV Index 6) and April (UV Index 8), transitioning to very high risks from May through September when the index remains above 8. During these peak months, particularly in June, visitors and residents are strongly advised to take precautions: seek shade, wear protective clothing, and apply sunscreen regularly to mitigate skin damage. As the year progresses towards October and November, the UV Index decreases, returning to moderate levels by December, where exposure risks are lower and burn time increases to 45 minutes. This seasonal insight highlights the importance of adjusting sun safety practices throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crofton | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 10 | 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 |