Last updated: June 2, 2025
Understanding the UV Index is crucial for both residents and visitors in Holualoa, United States, where the lush landscape and tropical climate come with unique sun exposure challenges. With UV levels peaking at a staggering 13 during midday, awareness of these figures is vital for sunburn prevention and maintaining long-term skin health. The cool, temperate climate can be deceiving; even on overcast days, harmful UV rays can still penetrate through clouds. By staying informed about the UV Index, you can enjoy Holualoa's beautiful outdoors while safeguarding your skin from the damaging effects of the sun.
At dawn, the sun begins its ascent with a UV Index of 1 at 07:00, gradually rising throughout the morning. By 09:00, it hits a moderate 6, urging early risers to slather on sunscreen. The peak intensity arrives around noon with a sizzling UV Index of 13, warning everyone to seek shade or don protective clothing. As the afternoon progresses, the numbers begin to dip, hitting 11 at 14:00 before steadily declining into the evening, where it plummets to a mere 1 by 18:00. Finally, as night falls by 19:00, the UV Index drops to 0, signaling the end of a sun-soaked day. Stay vigilant; the midday sun demands respect!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | 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 | 4 | 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 |
Holualoa | 8 | 11 | 12 | 13 | 13 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |