Last updated: July 2, 2025
Understanding the UV Index in Weiyuan, China is crucial for safeguarding your skin and overall health. With UV levels reaching a peak of 11 during midday hours, awareness of these fluctuations can help you prevent sunburn and long-term skin damage. Weiyuan experiences a Dwb climate, characterized by distinct seasons and potential for high UV exposure, especially in summer. By staying informed about local UV conditions, you can effectively enjoy the outdoors while keeping your skin protected and healthy.
Starting the day with a gentle UV Index of 1 at 7:00 AM, the sun quickly ramps up its intensity. By 8:00 AM, it reaches 3, but things really heat up as the clock strikes 9:00 AM with a 5. The peak sun hours are between 11:00 AM and 1:00 PM, where the UV Index soars to a significant 11, indicating a high risk of harm from unprotected sun exposure. After noon, the Index begins a gradual decline, dipping to 10 at 2:00 PM and then to 7 by 3:00 PM. As the afternoon wanes, the values drop further, settling back to 1 by 6:00 PM and 7:00 PM, providing a gentle close to the day's UV intensity. Remember to protect your skin during those peak hours!
| 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 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 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, the UV Index experiences significant fluctuations, with the highest levels occurring in the summer months. January and February see a moderate index (3-4), allowing for a burn time of 30 minutes. As spring approaches, March escalates to a high UV Index of 7 (25 minutes burn time), followed by April and May, where it reaches very high levels of 9 and 10 respectively, significantly reducing burn time to just 15 minutes. The peak occurs in July and August, where the index hits an alarming 11, categorizing these months as extreme with a mere 10 minutes of safe exposure. As summer gives way to autumn, September and October remain very high and high (9 and 7), increasing burn times back to 15 and 25 minutes. In contrast, November and December present moderate to low levels (4 and 2), allowing for longer exposure times of 30 and 45 minutes respectively. Visitors and residents are strongly advised to take precautions during the high-risk months from March to October, particularly the peak summer months, by wearing protective clothing, applying sunscreen regularly, and limiting sun exposure during peak hours to minimize the risk of 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 |
| Weiyuan | 3 | 4 | 7 | 9 | 10 | 10 | 11 | 11 | 9 | 7 | 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 |