Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Gujiang, China, where sunny days can lead to high levels of ultraviolet radiation. Being aware of the UV levels helps in preventing sunburn and protecting skin health, ensuring you enjoy the outdoors safely. Gujiang's humid subtropical climate (Cfa) means that while temperatures can be inviting, peak UV exposure often occurs between 10 AM and 2 PM, with values soaring to 13—putting your skin at significant risk. By regularly checking the UV Index, you can take proactive steps to shield yourself from harmful rays and enjoy the beautiful weather responsibly.
The UV Index for the day exhibits a striking daytime peak, rising steadily from a gentle 1 at 07:00 to an intense 13 by 12:00. As the sun reaches its zenith, the 11:00 and 12:00 hours warn of heightened exposure, with the index hitting its maximum at 13:00 before beginning its gradual decline. By 15:00, it slips to 7, reminding us that even in the afternoon, protection is vital. As the day winds down, the UV levels fall back to a safe 1 by 18:00, ensuring a return to safer conditions for evening activities. Stay vigilant and protect your skin during those midday hours!
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 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | high | 25 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 |
Throughout the year, the UV Index displays significant seasonal variation, with the highest risks occurring from March to September. During this period, the UV Index peaks at 13 in July, categorizing the exposure as extreme and requiring just 10 minutes for skin to start burning. Visitors and residents are advised to exercise caution and take protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially during the very high and extreme months of February to September. Early months like January and November see a reduced UV Index, categorized as high, with more extended burn times of 25 minutes, but it’s still prudent to remain vigilant against sun exposure.
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 |
Gujiang | 6 | 8 | 10 | 11 | 12 | 12 | 13 | 12 | 11 | 9 | 7 | 6 |
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 |