Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors in Dadong, China, where sunburn and skin health can be significantly impacted by exposure to harmful ultraviolet rays. With a Cwa climate, Dadong experiences hot summers, making it crucial to comprehend daily UV levels to protect your skin from potential damage. During peak hours, particularly between 11 AM and 2 PM, the UV Index can soar to 12, indicating a very high risk of harm from unprotected sun exposure. By staying informed about these UV levels, you can take necessary precautions to enjoy the sun safely while minimizing the risk of skin-related issues.
The UV Index data paints a vivid picture of the sun's intensity throughout the day. Starting at dawn, the index was low, peaking at 1 at 7 AM. As the hours progressed, the UV Index climbed steadily, reaching a notable 12 by noon—a signal for sun protection. The sun's power peaked at 1 PM with an impressive index of 13, demanding caution for those outside. As the afternoon wore on, the index began its descent, dropping to 9 at 3 PM. By the evening, it returned to a mild 1 at 6 PM, heralding a safe retreat from the day's solar intensity. This data serves as a reminder to adapt our outdoor plans as the sun travels across the sky.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 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 |
Throughout the year, UV Index levels exhibit significant seasonal variations, reaching their peak during the summer months. January begins with a moderate UV Index of 5, with a burn time of 30 minutes. As we move into February and March, the UV Index rises to 7 (high) and 9 (very high), reducing the burn time to 25 and 15 minutes respectively. By April, the index escalates to 11 (extreme) with a burn time of just 10 minutes, remaining at this extreme level through June and July, where it peaks at 13. August sees a slight decrease to 12, followed by September at 11 and October at 9 (very high), with burn times each remaining at 10 to 15 minutes. In November, the index drops back to 7 and returns to 5 by December, representing moderate exposure. High-risk months are notably from April to September, during which UV exposure can lead to skin damage in a matter of minutes. Residents and visitors should take precautions, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours, particularly between late spring and early fall, to safeguard against potential sunburn and 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 |
| Dadong | 5 | 7 | 9 | 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 |