Last updated: July 2, 2025
In Dalai, China, awareness of the UV Index is crucial for safeguarding skin health and preventing sunburns. Understanding UV levels empowers residents and visitors to make informed decisions about sun protection, especially during peak hours when the risk for harmful exposure is highest. With Dalai's BSk climate, characterized by hot summers and cold winters, the UV Index often peaks around midday, reaching levels of 10—a point where skin damage can occur in as little as 10 minutes of unprotected exposure. Staying informed about UV fluctuations can help everyone enjoy the outdoors safely while minimizing the risks associated with excessive sunlight.
From 07:00 in the morning, the UV Index gradually climbs, with a mild reading of 2 at the start, perfect for a morning stroll. By 09:00, it ramps up to 5, signaling a brighter day ahead. The sun reaches its peak intensity between 12:00 and 13:00, where the UV Index hits a striking 10, urging sun enthusiasts to take extra precautions. As the afternoon unfolds, the index begins to taper down, falling to 9 by 14:00, and continuing its descent to 5 by 16:00. Finally, the sun sets the stage for a cool evening, as the UV levels drop to 1 by 18:00, creating a perfect time for outdoor relaxation. Remember to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so does the UV Index, reflecting varying levels of sun exposure and associated risks throughout the year. High-risk months typically occur from May to August, during which the UV Index reaches its peak at 10, indicating a very high exposure category and a burn time of only 15 minutes. This highlights the need for extra caution, including the use of sunscreen, protective clothing, and seeking shade during peak sun hours. Conversely, in the winter months of January and December, the UV Index drops to 2, indicating a low exposure category with longer burn times of 45 minutes. Visitors and residents are advised to remain vigilant of UV levels, especially during the warmer months, to protect their skin from harmful effects.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dalai | 2 | 3 | 6 | 7 | 9 | 10 | 10 | 10 | 7 | 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 |