Last updated: July 2, 2025
Understanding the UV Index in Guanlan, China, is crucial for anyone looking to enjoy the great outdoors while protecting their skin. The UV Index indicates the strength of ultraviolet radiation from the sun, which can lead to sunburn and long-term skin health issues if not properly managed. With Guanlan's Cwa climate, characterized by hot summers and mild winters, residents and visitors alike are at risk of high UV exposure, particularly during peak hours. For instance, the UV levels soar to a staggering 13 around noon, underscoring the need for awareness and proactive sun protection measures. Staying informed about the UV Index not only enhances your outdoor experiences but also safeguards your skin's health against harmful radiation.
From sunrise to sunset, the UV Index reveals a striking pattern in sunlight intensity. At 07:00, the index begins at a mild 1, gradually climbing to 3 by 08:00. The real leap follows; by 09:00, it reaches 6, and as the day unfolds, the index peaks at an intense 13 from 12:00 to 13:00. This midday brightness serves as a reminder to protect your skin when UV levels are highest. As the afternoon wanes, the index declines to 11 at 14:00, gently dropping further to 8 by 15:00, and continuing its descent to 2 at 17:00. Finally, by 18:00 and beyond, it settles back down to a low 1 as the day wraps up, showcasing the sun's cyclical dance in the sky. Stay safe and plan your outdoor activities accordingly!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with the highest risk occurring during the spring and summer months. Notably, March to September features extreme levels, peaking at a UV Index of 14 in May, where the burn time is just 10 minutes. Visitors and residents should be particularly cautious during these months, as the risk for skin damage is elevated. February and October present very high exposure, requiring protective measures, while January and December see a return to high exposure levels, allowing for longer burn times of 25 minutes. To minimize risks, individuals are advised to wear protective clothing, apply sunscreen regularly, and seek shade, especially during peak daylight hours.
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 |
| Guanlan | 7 | 10 | 12 | 12 | 14 | 12 | 13 | 13 | 12 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |