Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Longwood, United States, as it directly impacts your skin health and helps prevent sunburn. With the area's Cfa climate, Longwood experiences significant UV exposure, especially during the midday hours when the index can soar to an intense 11. By being mindful of UV levels, you can take proactive steps to protect your skin, ensuring that your outdoor activities remain enjoyable and safe throughout the year. Remember, knowledge is your best defense against harmful UV radiation!
As the day unfolds, the UV Index ramps up rapidly, starting from a gentle 1 at 7:00 AM and gradually climbing to reach a peak of 11 by 1:00 PM and 2:00 PM. This hour marks the height of sun exposure, where the risk of harm from unprotected sun exposure is significant. After this peak, the index begins to descend, dropping to 9 by 3:00 PM, then tapering off to 6 at 4:00 PM, and finally settling back to a mild 1 by 7:00 PM. For those planning outdoor activities, early afternoon is best approached with caution and protection—a reminder that while the sun can be enjoyable, it demands respect!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with the high-risk months spanning from February to September. During this period, the UV Index reaches extremes, peaking at 12 in June and July, signaling a very high to extreme risk of harm from unprotected sun exposure. Notably, April, May, June, July, August, and September all maintain an index of 11 or higher, presenting a burn time of only 10 minutes. As such, it is crucial for visitors and residents to take precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, particularly from late morning to early afternoon. In contrast, late fall and winter months like November and December exhibit moderate UV levels, allowing for a more extended safe exposure time of 25-30 minutes. However, vigilance remains urged year-round to safeguard against UV damage.
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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |
| Longwood | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 9 | 7 | 5 |