Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Sebastian, United States, as it directly influences sunburn prevention and long-term skin health. With its Cfa climate characterized by hot summers and mild winters, Sebastian exposes individuals to varying UV levels throughout the day—peaking at an intense 11-12 between noon and 2 PM. By staying informed about UV levels, you can better protect yourself and your loved ones from harmful UV radiation, ensuring a safe and enjoyable time under the sun.
As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed 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 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 12 | 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 |
Sebastian | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |