Last updated: June 2, 2025
Understanding the UV Index in Hannan, China is crucial for protecting yourself from the sun's harmful rays, especially in this Cfa climate zone, where UV exposure can vary significantly throughout the day. Awareness of UV levels helps in preventing sunburn and maintaining skin health, so knowing when the sun is at its strongest allows you to take necessary precautions. With UV Index levels peaking at 11 around midday, residents and visitors alike should be especially vigilant during the hours of 10:00 AM to 2:00 PM, when the risk of overexposure to sun is greatest. Stay informed, stay protected, and enjoy the sunny days in Hannan!
At sunrise, the UV Index starts gently at 1 at 07:00, making it a safe time for morning activities. However, as the sun climbs higher, the intensity surges, reaching 3 by 08:00 and escalating to a peak of 11 between 12:00 and 13:00. This is the crucial window when protection from the sun is essential, as exposure can lead to skin damage. As afternoon progresses, the index gradually declines, settling back to 9 by 14:00. By the time evening approaches, the UV Index dips to 2 at 17:00 and returns to a minimal 1 by 18:00, signaling a return to safer levels. Whether you’re planning outdoor fun or just soaking up the sun, be mindful of these fluctuations for optimal UV safety!
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 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure increases significantly, particularly during the late spring and summer months. High-risk months are March through September, with the UV Index peaking at 12 in July and August, categorized as extreme with a burn time of just 10 minutes. From January to February, the UV Index rises from 5 (moderate) to 6 (high), while in the fall and winter months, it tapers off to 8 (October) and 4 (December). Visitors and residents should take necessary precautions in high UV months, including wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV-related harm.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
Hannan | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 12 | 10 | 8 | 6 | 4 |
Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |