Last updated: June 2, 2025
In Liberty, United States, staying informed about the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. With peak UV levels often reaching 11 during midday, understanding these fluctuations can help residents prevent sunburn and promote long-term skin health. Given Liberty's Cfa climate, characterized by hot summers and significant sun exposure, it's essential to recognize when the UV index is high. By being aware of these levels, you can enjoy the outdoors safely, ensuring that fun in the sun doesn’t come at the cost of your skin's well-being.
At sunrise, the UV Index starts at a gentle 1 by 07:00, perfect for early risers enjoying the morning light. As the day progresses, it gradually climbs, reaching a moderate 3 by 09:00 and peaking at an intense 11 around 13:00 and 14:00. During these midday hours, the sun's rays are at their most powerful, making it crucial to seek shade or wear protective gear. Post-peak, the index begins to decline, descending to 5 by 17:00 and tapering off to 1 again by 19:00. This dynamic pattern highlights the importance of staying vigilant about sun protection, especially during peak hours!
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | 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, indicating varying levels of sun exposure risk. The high-risk months for UV exposure are primarily from April to August, where indices peak at 11 in June and July, categorized as extreme with a burn time of only 10 minutes. It is crucial for both visitors and residents to take precautions during this period, such as wearing protective clothing and applying sunscreen frequently. As spring transitions into summer, the UV index rises sharply, reaching very high levels in May and August, and dropping to high in March and October. The months of January, November, and December see lower risks with a moderate index of 3 or 5, allowing for more extended safe sun exposure times of 30 minutes. Visitors and residents should monitor UV levels closely and adjust outdoor activities accordingly to safeguard their skin health.
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 |
| Liberty | 3 | 6 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 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 |