Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kihei, United States, where the sunny, tropical climate can lead to high levels of ultraviolet radiation. Knowledge of UV levels is essential for effective sunburn prevention and long-term skin health, helping you protect yourself from harmful effects. With typical UV exposure risks peaking around midday—reaching levels as high as 13—being informed empowers you to enjoy the beautiful outdoors safely. Stay vigilant and take the necessary precautions to ensure a fun and safe experience under the sun in this stunning coastal paradise.
The UV Index presents a compelling story of sun intensity throughout the day, peaking in the early afternoon. Starting modestly at 1 at 07:00, it swiftly escalates, reaching 3 by 08:00 and climbing steadily to a striking 13 at 12:00. The highest point occurs at 11:00 and 12:00, with an intense UV Index of 13, signaling a need for sun protection. As the day progresses, the index declines, tapering off to 8 at 15:00 and then further down to 2 by 17:00. Finally, the sun sets, and the UV Index drops to 0 by 19:00, marking the end of the day's sun exposure. This data emphasizes the importance of taking precautions during midday hours when UV radiation is at its most potent.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal variations, peaking during the spring and summer months. From March to October, the UV Index reaches an extreme level of 11 to 13, indicating a burn time as short as 10 minutes, making these months particularly high-risk for sunburn and skin damage. Visitors and residents should exercise extreme caution during this period, wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. Conversely, January, February, November, and December present a very high UV Index of 8, with a longer burn time of 15 minutes. While these months pose a lower risk than the summer, it's still advisable to remain vigilant about sun protection.
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 |
Kihei | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 11 | 8 | 8 |