Last updated: August 1, 2025
Understanding the UV Index in Hekou, China, is essential for safeguarding your skin and overall health. As the UV levels fluctuate throughout the day, being aware of these changes can help prevent sunburn and long-term skin damage. With Hekou's humid subtropical climate, exposure risks are significantly heightened during the peak daylight hours, when the UV Index can soar to a maximum of 12—indicating extreme risk. By staying informed about the UV Index, residents and visitors alike can take proactive steps to enjoy the sun safely while protecting their skin.
As the sun rises, the UV Index begins its climb, starting at a modest 2 by 7:00 AM. By 8:00 AM, it nudges up to 3, but the real surge happens around 9:00 AM, peaking at an intense 6. The midday sun blasts forth, pushing the UV Index to a staggering 12 by 12:00 PM—the highest point of the day. Stay alert as it hovers at 12 through 1:00 PM before gently descending to 9 at 2:00 PM. The afternoon brings a gradual decline, with the index dropping to 4 by 4:00 PM and dwindling to 1 by 6:00 PM, before finally settling at a trace level of 0 by 7:00 PM. It's clear: the peak sun hours demand caution and protection!
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 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | 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 changes, peaking during the summer months. From March to September, the index rises dramatically, with the highest values recorded in April through August at 12, categorized as extreme, indicating a very short burn time of just 10 minutes. January and February start with a lower index of 6 and 7 (high risk), while the transition into the fall sees a decrease to 11 in September and 8 in October (very high), before falling to 5 (moderate) in December. Visitors and residents should be particularly cautious from March to September, especially during the peak months of April through August, and should prioritize sun protection measures such as wearing sunscreen, hats, and sunglasses to minimize the risk of sunburn and related health issues.
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 |
Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
Hekou | 6 | 7 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 8 | 7 | 5 |
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 |