Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Dongsi, China, where the potential for harmful sun exposure can peak, particularly during the midday hours. The UV Index provides valuable information about the strength of ultraviolet radiation, helping you gauge the risk of sunburn and long-term skin damage. With Dongsi's Dwa climate, characterized by hot summers and cold winters, awareness of daily UV levels is essential for protecting your skin and maintaining overall health. With maximum UV Index readings soaring to 9 during the height of the day, it’s vital to stay informed and take necessary precautions against the sun's rays to enjoy safe outdoor activities year-round.
As the sun rises, the UV Index begins to climb, reaching a maximum of 9 between 11:00 AM and 1:00 PM—the peak time for sun exposure. Starting at a modest 2 at 7:00 AM, the index steadily ascends to 4 by 8:00 AM, hitting 6 by 9:00 AM. The day's intensity culminates at noon, remaining at that level until 1:00 PM before gradually tapering off. By 3:00 PM, it drops to 5, and after that, it continues to decline, reaching a low of 1 by 6:00 PM. For those planning outdoor activities, it’s essential to take precautions during the midday peak to protect your skin from harmful UV rays!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variations, highlighting that the high-risk months for sun exposure are June through August, where the index peaks at 11 in July, indicating an extreme risk category with a burn time of just 10 minutes. Visitors and residents should take extra precautions during these months, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours. As the year transitions into September and October, the UV risk decreases but still requires moderate attention, with index values falling to 5 and 3, respectively. To ensure skin safety year-round, monitor UV levels and adjust outdoor activities accordingly, especially during the very high and extreme exposure periods in the summer.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dongsi | 2 | 3 | 6 | 8 | 8 | 9 | 11 | 10 | 7 | 5 | 3 | 2 |
| 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 |