Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Captain Cook, United States, where the tropical climate can bring both beautiful sunny days and significant sun exposure risks. Knowing the daily UV levels is crucial for preventing sunburns and promoting overall skin health. In Captain Cook, where the UV index can soar to 14 during peak hours, it's vital to take precautions, especially from 11 AM to 1 PM when harmful rays are most intense. Staying informed helps you enjoy the beautiful outdoor environment while protecting your skin from potential damage.
The UV Index peaks dramatically throughout the day, starting from a modest 1 at 07:00. As the sun climbs higher, it catches fire, reaching 3 by 08:00, escalating to a striking 9 at 10:00. The intensity hits its zenith at 12:00, soaring to 14—a reminder to apply sunscreen! This intensity remains high at 13:00 with a reading of 13 before gradually tapering off. By 15:00, it drops to 8, and the evening sees it dwindle to 2 by 17:00. Finally, as the sun sets, the index falls back to 1 by 18:00, and then to 0 at 19:00, signifying the end of another sun-soaked day. Stay protected during those peak hours to enjoy the warmth safely!
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 | 12 | extreme | 10 min |
12:00 | 14 | 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 varies significantly throughout the year, with peak levels occurring during the warmer months. From February to September, the UV Index remains consistently high, reaching an extreme level of 14 in both July and August. The high-risk months for UV exposure are notably from February through October, where a burn time of just 10 minutes can result in skin damage. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. As we approach the lower UV levels of November and December, with a UV Index of 8 and a longer burn time of 15 minutes, the risk remains substantial, but overall it's essential to stay vigilant year-round for UV safety.
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 |
Captain Cook | 8 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |