Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Bartow, United States, where the warm, humid climate can lead to high sun exposure. As UV levels peak throughout the day, particularly around noon when reaching an intense 11 and 12, being informed can help you prevent sunburn and protect your skin health. Awareness of these levels is not just about avoiding sunburn; it's an essential part of safeguarding against long-term skin damage, especially in a region that experiences significant UV risks. Whether you're enjoying outdoor activities or simply stepping out to run errands, knowing the UV Index can empower you to take the necessary precautions to keep your skin safe under the Florida sun.
The UV Index throughout the day presents a dramatic rise and fall in sun exposure. Starting at a gentle 1 in the early hours of 7:00 AM and 8:00 AM, the index swiftly climbs to 3 by 9:00 AM. As the sun reaches its peak, the UV index skyrockets to a maximum of 12 at 1:00 PM, indicating high levels of UV radiation. Even in the afternoon, the index remains noteworthy: 11 at 2:00 PM and 10 at 3:00 PM. As the day transitions towards evening, levels dip gradually to 4 by 5:00 PM, and further down to 1 by 7:00 PM. This data underscores the importance of sun protection, especially during the midday hours when UV exposure is at its peak.
| 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | 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 highest readings occurring in the summer months. From May to August, the UV Index reaches an extreme level of 12, posing the greatest risk for sunburn, with a minimal safe exposure time of just 10 minutes. April and September also see high values, with an index of 11. Visitors and residents are advised to take extra precautions during these high-risk months, such as applying sunscreen, wearing protective clothing, and seeking shade during peak sun hours. Conversely, in the winter months, from December to February, UV levels are lower, ranging from moderate to very high, but individuals should remain vigilant, especially in February and March when the index peaks at 8 and 10. Overall, awareness and protection against UV radiation are essential year-round, particularly during the hotter months.
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 |
| Bartow | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |