Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Guanshui, China, where the region's Cwa climate brings a unique set of sun exposure challenges. With maximum UV levels peaking around 10 at midday, awareness of UV intensity can significantly aid in preventing sunburn and promoting long-term skin health. As the sun's rays become increasingly harmful, knowing how to protect yourself is essential for enjoying outdoor activities safely. With daily fluctuations in UV exposure, particularly from 8 AM to 3 PM, it's vital to stay informed to minimize risks and safeguard your skin against harmful effects.
The UV Index data reveals a dynamic sun journey throughout the day. Starting with a gentle warmth at 07:00 (UV Index 2), the intensity gradually climbs to peaking at 12:00 with a maximum of 10, indicating very high UV exposure—perfect for seeking shade or slathering on sunscreen! As the afternoon wears on, the index begins to dip, dropping to 7 by 14:00 and continuing to fade into the evening with readings of 5 at 15:00, 3 at 16:00, and tapering off to 1 by 18:00 and 19:00. This data beautifully illustrates the sun's powerful influence during midday, underscoring the importance of sun protection during those 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 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | 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 |
As the seasons change, so does the UV Index, highlighting the importance of sun safety for both visitors and residents. From January to February, the UV levels remain in the moderate range (3-4), allowing for relatively safe outdoor exposure with a burn time of 30 minutes. However, by March, the UV Index escalates to high (6) with a reduced burn time of 25 minutes, signaling a shift. The peak risk occurs from April to August, with UV Index levels reaching very high (9-10) and extreme (11) ratings, particularly in July and August, where the burn time drastically reduces to just 10 minutes. As autumn approaches, UV exposure decreases, dropping to high in October and moderate levels again in November and December. It is crucial for everyone to take appropriate precautions, especially during the high-risk months of April to August, by wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours to minimize sunburn risks.
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 |
| Guanshui | 3 | 4 | 6 | 9 | 9 | 10 | 11 | 11 | 8 | 7 | 4 | 3 |
| 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 |