Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Martin, United States, where the typical Cfa climate brings both warmth and sunshine throughout the year. With UV levels peaking in the midday hours, awareness of these index values can significantly aid in sunburn prevention and long-term skin health. Knowing when the UV exposure is highest—like the dangerous levels reaching up to 11 between 1 PM and 2 PM—helps you take proactive measures to protect yourself and your loved ones from harmful sun rays. Stay informed to enjoy the sun safely in Martin!
The UV Index throughout the day presents a clear trajectory of increasing intensity, peaking dramatically as the sun reaches its zenith. At 07:00, the index starts modestly at 1, signifying minimal risk. However, as the hours roll on, from 08:00 to 10:00, it climbs steadily to 6, marking the onset of moderate exposure. The real surge occurs between 11:00 and 13:00, where the index hits a staggering 11, indicating a very high risk for unprotected skin. Even as it begins to taper off in the afternoon—returning to 9 by 15:00 and further down to 4 by 17:00—the day's UV intensity serves as a reminder of the importance of sun protection. By 19:00, it drops back to a safe 1, allowing for a sigh of relief as daylight wanes. Embrace the sun wisely!
| 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 | 6 | high | 25 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 |
As the seasons change, so do the UV levels, significantly impacting both visitors and residents. January starts off with a moderate UV Index of 4, allowing for a burn time of 30 minutes. However, from February through August, the UV Index spikes, reaching an extreme level of 11-12, necessitating a stark reduction in burn time to just 10 minutes during peak months. March and April especially stand out as high-risk months with indices of 9 and 11, respectively, when exposure risks are pronounced. In contrast, September to November, while still high, see a slight decrease with indices ranging from 6 to 10. Visitors and residents are advised to take necessary precautions—wearing protective clothing, seeking shade, and applying sunscreen—during these higher UV months to mitigate the risk of skin 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 |
| Martin | 4 | 7 | 9 | 11 | 11 | 12 | 11 | 11 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |