Last updated: June 2, 2025
In Gulue, China, being aware of the UV Index is essential for maintaining skin health and preventing sunburns. Understanding UV levels is crucial, especially during the peak hours when the index soars to a maximum of 11 between 12:00 PM and 1:00 PM. With Gulue’s Cwa climate—characterized by warm summers and varying exposure risks—residents and visitors must stay informed to protect themselves from harmful ultraviolet rays. By keeping track of the UV Index, you can enjoy the sunny days while safeguarding your skin from damage.
At dawn, the UV Index begins its day at a mild 1 by 7:00 AM, offering a gentle reminder that the sun is starting to rise. As the hours progress, it climbs steadily, reaching 3 by 8:00 AM and 5 by 9:00 AM, hinting at the sun's increasing potency. The peak arrives at 12:00 PM, where the UV Index soars to an impressive 11, marking the sun's highest intensity and urging caution for those outdoors. Throughout the afternoon, it begins to decline, settling at 10 by 1:00 PM and gradually tapering off to 8 by 2:00 PM. By 3:00 PM, it dips to 6, then down to 4 by 4:00 PM, eventually falling back to its morning level of 1 by 7:00 PM. As the sun sets, the UV Index gently eases into the evening, rounding off the day’s exposure.
| 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 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows notable seasonal changes that are important for both residents and visitors. From January to February, exposure levels are moderate with an index of 4 to 5 and a burn time of 30 minutes. As we move into March, the UV Index rises sharply to 7, indicating a high risk with a reduced burn time of 25 minutes. The UV levels peak during the summer months of May through August, where the index reaches 11, categorized as extreme, with a burn time of just 10 minutes—making these months critical for sun safety. September and October experience a slight decrease, with values at 9 and 8 respectively, still classified as very high, thus maintaining a 15-minute burn time. As the year wraps up, November and December bring back moderate levels (UV Index of 5 and 3) with longer burn times of 30 minutes. Visitors and residents are advised to take special precautions during the high-risk months of March through October, such as applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of 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 |
| Gulue | 4 | 5 | 7 | 8 | 11 | 11 | 11 | 11 | 9 | 8 | 5 | 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 |