Last updated: June 2, 2025
Understanding the UV Index in Bayan Hot, China, is crucial for protecting yourself against harmful ultraviolet radiation. With a BWk climate characterized by dry conditions, the risk of intense sun exposure is significant, especially during peak hours when the UV Index can reach as high as 12. Being aware of UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. As the day progresses, UV exposure fluctuates dramatically—rising to its peak around midday. By staying informed on these levels, residents and visitors alike can take the necessary precautions to enjoy the sunshine safely.
The UV index data tells a compelling story about the sun’s intensity throughout the day. Early risers will find a gentle start with a max of 1 at 07:00 and 2 by 08:00. However, as the day progresses, the sun's rays become increasingly powerful, peaking at an intense 12 by 13:00. Midday seems to be the most potent, with the index hitting 11 at both 12:00 and 14:00, emphasizing the importance of sun protection during these hours. The intensity gently declines in the afternoon, dropping to 9 at 15:00 and further to 4 by 17:00. Finally, as the sun sets, the index cools down, returning to a mild 1 by 19:00. This hourly trajectory underscores the need for vigilance against UV exposure, especially during those peak 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As seasonal UV changes occur throughout the year, it's essential for visitors and residents to be mindful of their sun exposure. From January to February, the UV Index is moderate (3-5), allowing for a burn time of up to 30 minutes. However, by March, it escalates to a high UV Index of 7 with a reduced burn time of 25 minutes. The months of April to August present the highest risk, reaching an extreme UV Index of 11-12 and a dangerously short burn time of just 10 minutes. September sees a slight decline with a UV Index of 9, still requiring caution, before dropping back to moderate levels in November and December (UV Index 3-4, burn time of 30 minutes). To minimize health risks, use sunscreen, wear protective clothing, and seek shade especially during the high-risk months of May through August.
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 |
| Bayan Hot | 3 | 5 | 7 | 9 | 11 | 12 | 12 | 11 | 9 | 7 | 4 | 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 |