Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Heixi, China, where the climate typically falls under the Cfa zone, characterized by warm, humid summers. With UV levels peaking at a drastic 12 during midday hours, awareness of these figures can significantly reduce the risk of sunburn and long-term skin damage. By monitoring the UV Index, you can better protect your skin health, ensuring outdoor activities remain enjoyable and safe while minimizing exposure to harmful ultraviolet rays. Stay informed and embrace the sun responsibly!
As the sun rises, the UV Index starts off at a mild 1 at 7:00 AM, gradually climbing to a moderate 2 by 8:00 AM. However, things heat up as the day progresses; by 10:00 AM, it peaks at an impressive 8. The highest solar intensity strikes from 11:00 AM to 1:00 PM, with a staggering maximum of 12 during the noon hour. As the afternoon rolls in, the UV Index begins to taper off, dropping to 8 by 3 PM, and further declining to a gentle 1 by 7:00 PM. It’s clear that the midday sun is the most potent—remember to protect your skin during those hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index experiences notable seasonal changes, peaking during the summer months. From January to February, the index remains at a high level of 7, indicating a burn time of 25 minutes. However, starting in March, the index rises sharply, reaching 10 in March and escalating to an extreme high of 12 in May and June. The high-risk months continue through July and August, where the index hits 13, followed by a slight decrease to 11 in September, before tapering off to 9 in October. As we head into the last months of the year, the risk lowers again, with a high index of 7 in November and a moderate level of 5 in December. Visitors and residents should take precautions during the extreme months, particularly from April to September, by seeking shade, wearing protective clothing, and applying sunscreen regularly to prevent skin damage.
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 |
Heixi | 7 | 7 | 10 | 11 | 12 | 12 | 13 | 12 | 11 | 9 | 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 |