Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Yanjing, China, as it provides vital information about potential sunburn risks and overall skin health. With the region's Cwb climate, summer days can bring soaring UV levels, peaking around noon with an alarming index of 14–16, highlighting the necessity for effective sun protection. Being informed about the UV Index not only aids in prevention of skin damage but also encourages healthier outdoor activities, keeping you and your loved ones safe while enjoying Yanjing’s vibrant environment. Always check the UV Index before heading outdoors to make the most of your sunny days!
The UV Index for the day paints a vivid picture of sun intensity as it rises and falls throughout the hours. Starting off gently at 07:00 with a maximum UVI of 1, the sun gradually gains strength, reaching 2 by 08:00 and climbing to 4 at 09:00. The sun's rays peak dramatically in the late morning, hitting a blistering 11 at 11:00 and soaring to a scorching 14 by 12:00. The highest intensity occurs at 13:00 with a UVI of 16, signaling the need for sun protection. As the afternoon progresses, the index begins to slowly decline, dipping to 15 at 14:00, then settling at 12 by 15:00. The evening brings relief, with the index winding down to 5 at 17:00, and finally retreating to 2 at 18:00 and 1 by 19:00. This data underscores the importance of staying safe in the sun, highlighting peak hours for UV exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 16 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
During the year, UV exposure varies significantly, with the highest levels occurring between February and October. This period includes several high-risk months, particularly from April to July, when the UV Index peaks at 16—classified as extreme—and has a burn time of only 10 minutes. Visitors and residents should remain vigilant during these months, using sunscreen, wearing protective clothing, and seeking shade to minimize skin damage. As the UV levels decline in November and December, the risk remains moderate, with indices of 9 and 6, respectively. To ensure safety year-round, it is advisable to check local UV Index reports regularly and adjust sun protection practices based on daily conditions.
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 |
| 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 |
| Yanjing | 8 | 11 | 12 | 15 | 16 | 15 | 16 | 14 | 14 | 12 | 9 | 6 |