Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Xilinji, China. As you enjoy the beauty of this charming city, being aware of the UV levels can significantly impact your overall skin health and help prevent painful sunburns. With a continental climate that boasts warm summers, Xilinji experiences varying UV exposures throughout the day, peaking at a UVI of 8 between 11:00 AM and 1:00 PM. Staying informed about these UV levels is essential to protect yourself from potential skin damage while relishing the outdoors.
As the sun rises, so does the UV Index, peaking in the late morning to early afternoon. At 07:00, the index starts at a modest 2, but by 08:00, it climbs to 4. The real surge begins at 09:00 with a reach of 5, and by 10:00, it escalates to an impressive 7. The heights are reached between 11:00 and 12:00, where it stabilizes at a high of 8—a clear reminder for sun protection. Early afternoon sees a gentle decline, with values dropping to 7 at 13:00, then gradually to 6 by 14:00. The late afternoon offers relief as it cools to 5 at 15:00 and continues to fall, landing at 2 by 17:00. As the sun sets, the UV Index dwindles to 1 by 18:00 and maintains this low level through 19:00, making for a safe evening outdoors.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | 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 |
Throughout the year, the UV Index experiences significant seasonal variations. From January to February, the UV Index remains low (1-2), allowing for safe outdoor activities with a burn time of approximately 45 minutes. As spring approaches, March and April see a rise to moderate levels (4-5), with a reduced burn time of 30 minutes, indicating a need for protective measures. The transition into late spring and summer brings higher risk months: May and June (UV Index 6-7, burn time 25 minutes) and the peak in July at 8, classified as very high, where incidents of sunburn can occur rapidly within 15 minutes. August sees a slight decline to a high rating (7), followed by a return to moderate levels from September to October (UV Index 5-3, burn time 30 minutes). Finally, winter months return to low UV exposure (2-1, burn time 45 minutes) from November to December. Residents and visitors are strongly advised to take caution during the high-risk summer months—especially in July—by applying sunscreen, wearing protective clothing, and minimizing sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Xilinji | 1 | 2 | 4 | 5 | 6 | 7 | 8 | 7 | 5 | 3 | 2 | 1 |
| 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 |