Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Xilinhe, China, where the climate typically brings significant sun exposure, particularly during the summer months. Recognizing the UV levels throughout the day is essential for preventing sunburn and protecting skin health, as UV radiation can lead to both immediate and long-term skin damage. With the UV Index peaking at 11 between 11:00 AM and 12:00 PM, awareness is vital for ensuring outdoor safety in the region's Dwb climate, where sunburn risks are heightened. Stay informed and enjoy the sunshine while safeguarding your skin!
Throughout the day, the UV Index experiences a dynamic shift, peaking at 11 around 11:00 AM, reaching its most critical level. Early risers can expect a moderate level of 3 at 07:00 AM, which quickly escalates to 5 by 08:00 AM and hits 7 by 09:00 AM. As the sun climbs higher, the intensity escalates, showcasing a significant jump to 9 at 10:00 AM before reaching its zenith. After noon, there is a gradual decline: the index dips to 10 at 12:00 PM, then falls back to 9 at 1:00 PM, and continues to decrease, landing at 5 by 3:00 PM. Later, the UV levels diminish to 1 by 5:00 PM, and finally drop to 0 by 7:00 PM. It’s essential for outdoor adventurers to stay protected during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variations, highlighting important considerations for visitors and residents alike. January and December experience low UV levels (Index 2) with a burn time of 45 minutes, making sun exposure relatively safe. As spring approaches, February (UV Index 3) and March (UV Index 5) see a moderate risk with burn times decreasing to 30 minutes, necessitating some precautions. The UV Index escalates sharply in late spring and summer, peaking in July with an extreme index of 11, where burn time drops to just 10 minutes. May and June also present very high risks (Index 8 and 10, respectively), encouraging vigilant sun protection during these months. The risk gradually diminishes in August and September, but still remains significant, with an index of 10 and 8. As autumn unfolds in October and November, moderate risk returns, allowing for longer burn times of 30 minutes. Overall, the period from April to September marks high-risk months for UV exposure; thus, it is essential for individuals to protect their skin by using sunscreen, wearing protective clothing, and seeking shade, particularly during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Xilinhe | 2 | 3 | 5 | 7 | 8 | 10 | 11 | 10 | 8 | 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 |