Last updated: May 3, 2025
In Silidian, China, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's Cwa climate, characterized by hot summers and varying UV exposure, understanding the daily UV levels helps residents and visitors protect themselves from harmful radiation. The UV Index peaks between 12:00 PM and 1:00 PM, reaching levels of 10, which indicates a very high risk of harm from unprotected sun exposure. By staying informed and taking necessary precautions, you can enjoy the sunny days in Silidian while safeguarding your skin from potential damage.
As the sun rises, the UV Index gradually transitions from a mild 1 at 07:00 to an invigorating 3 by 08:00. The peak UV intensity hits its stride between 12:00 and 13:00, reaching a striking 10, a clear call for sun protection. As the afternoon progresses, the index begins to decline, tapering off to 8 at 14:00, 6 at 15:00, and eventually settling to a gentle 2 by 17:00. By evening, the UV levels dip back down, returning to a safe 1, indicating it's time to relax and enjoy the cooler, softer light of sunset.
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 | 7 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 8 | 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 |
The UV Index exhibits significant seasonal variations, with notable increases in risk from March through October. The high-risk months are April to September, during which the UV Index reaches its peak at 10 or 8, corresponding to a very high exposure category, and the burn time reduces to just 15 minutes. Residents and visitors should be especially vigilant during this interval, employing protective measures such as wearing sunscreen, hats, and sunglasses when outdoors. From January to March and again in November to December, the UV Index is lower, classified as moderate, allowing for a safer sun exposure duration of 30 minutes. Overall, it is essential to remain aware of UV levels and take appropriate precautions, particularly during the intense summer months.
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 |
Silidian | 4 | 5 | 7 | 8 | 10 | 10 | 10 | 10 | 9 | 8 | 5 | 3 |
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 |
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 |