Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Shihe, China, where the climate can amplify sun exposure risks. High UV levels, particularly between 10 AM and 2 PM, can lead to severe sunburn and long-term skin damage if precautions aren’t taken. With a typical summer UV Index peaking at 9 during midday, knowing the daily fluctuations helps you safeguard your skin and overall health. Being aware of these levels enables you to plan outdoor activities safely, ensuring that enjoyment under the sun doesn’t come at the expense of your well-being. Stay informed and protected in Shihe’s distinct climate!
The UV Index climbs steadily throughout the morning, starting at a manageable 3 at 07:00 and surging to a peak of 9 between 10:00 and 12:00. During these hours, sun protection is crucial as the intensity remains high, ideal for outdoor activities if precautions are taken. As the afternoon sets in, the index begins to decline, dropping to 8 by 13:00, and then tapering off to 6 at 14:00. By the afternoon, the risks lessen significantly, with readings falling to 4 at 15:00, and a gentle decline continues into the evening, reaching 1 by 17:00 and finally settling at 0 after 19:00. This pattern emphasizes the importance of maximizing sun safety during the midday hours, where the sun's rays are at their strongest.
| 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 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | 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 exhibits noticeable seasonal changes, indicating varying levels of sun exposure risk. January and December are characterized by a low UV Index (2), with safe burn times of 45 minutes. As spring approaches, the index rises to a moderate rating of 3 in February and 5 in March. The transition to summer brings significantly higher UV levels, peaking in July at a critical 10, categorizing it as very high, with a burn time of only 15 minutes. May and June also carry very high values (8 and 9, respectively). August begins a gradual decline, yet still remains at a very high level of 9. The fall months see a reduction to high (September) and moderate (October and November) exposure, with burn times increasing again to 25 and 30 minutes respectively. Visitors and residents should exercise heightened caution from April to August, with protective measures, such as sunscreen and appropriate clothing, being essential during these high-risk months for UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shihe | 2 | 3 | 5 | 7 | 8 | 9 | 10 | 9 | 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 |