Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents of Xilinhe, China, as it provides essential information on sun exposure and helps prevent harmful effects like sunburn and long-term skin damage. Understanding UV levels is particularly important for maintaining skin health, especially during the warmer months in this Dwb climate zone, where UV radiation can peak significantly, reaching levels as high as 8 between 10 AM and 12 PM. By staying informed about the UV conditions throughout the day, you can take the necessary precautions to protect yourself and enjoy the outdoors safely.
During the day, the UV Index experiences a noticeable rise, peaking at 8 between 10:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Early morning sees a mild start with a value of 2 at 07:00, gradually climbing to 6 by 09:00. As the sun reaches its zenith, the index plateaus at 8, where it's crucial to take sun safety precautions. After noon, the levels begin to decline, descending to 5 at 02:00 PM and continuing to fall to a much lower 1 by 05:00 PM. By 07:00 PM, the UV Index plummets to 0, signifying a safe time to venture outdoors without fear of UV damage. Overall, the data illustrates a typical day's sun exposure risks, highlighting the importance of sun protection during peak hours.
| 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 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | 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 |