Last updated: June 2, 2025
Understanding the UV Index in Darchen, China, is crucial for anyone who enjoys the outdoors, especially in this high-altitude climate known for its intense sunlight and rapid UV exposure changes. With UV levels peaking dramatically around midday—reaching a striking 18—awareness can mean the difference between a fun day in the sun and painful sunburns or long-term skin damage. Darchen’s unique ET climate contributes to its elevated UV risks, making it essential to monitor these levels to protect your skin health during your adventures in this stunning region.
As the sun rises, the UV Index begins its steady ascent, starting from a maximum of 0 at 07:00. By 08:00, it climbs to 1, gently hinting at the day's potential. As the clock ticks toward 10:00, the index hits a moderate 4, while the sun’s power intensifies to reach an impressive 8 at 11:00. The peak arrives at 13:00, soaring to 16, followed closely by an exhilarating 18 at 14:00 and 15:00, making these lunchtime hours prime for caution and protection. The afternoon gradually eases, with readings at 12 by 17:00 and tapering off to 7 at 18:00, before settling to 4 by 19:00. This hourly journey underscores the importance of vigilance against UV exposure, especially during midday hours when the sun's rays are strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 16 | extreme | 10 min |
| 14:00 | 18 | extreme | 10 min |
| 15:00 | 18 | extreme | 10 min |
| 16:00 | 16 | extreme | 10 min |
| 17:00 | 12 | extreme | 10 min |
| 18:00 | 7 | high | 25 min |
| 19:00 | 4 | moderate | 30 min |
Throughout the year, UV exposure varies significantly, with the highest levels occurring between March and October. During this period, the UV Index peaks in August at 20, classified as extreme, with a burn time of just 10 minutes. The high-risk months for sun exposure are April to August, where the UV Index consistently remains at 16 or higher. Residents and visitors should take precautionary measures during these months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, as burn times are notably short. While January and February still carry very high UV levels, the risk decreases in the colder months, with November and December showing lower UV indices (9 and 7, respectively) and longer burn times of 15 and 25 minutes. Nonetheless, awareness and protection against UV radiation should be a year-round priority.
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 |
| 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 |
| Darchen | 9 | 10 | 15 | 16 | 17 | 18 | 17 | 20 | 15 | 13 | 9 | 7 |