Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Menlou, China, as it indicates the strength of ultraviolet radiation from the sun and helps in making informed decisions about sun exposure. Knowing the UV levels is essential for preventing sunburn and protecting your skin health, particularly during the peak hours when the UV Index reaches a high of 10 around noon. With Menlou’s Cwa climate, characterized by warm summers and distinct seasonal changes, the risks of skin damage due to heightened UV exposure are significant. Stay vigilant and informed to enjoy the sun safely!
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 |
Throughout the year, the UV Index displays significant seasonal variations, peaking during the summer months. From January to February, the UV Index remains moderate (3-4), allowing for approximately 30 minutes of safe sun exposure. As we enter March, the risk escalates to high (6), reducing safe burn time to 25 minutes. The months of April through July experience very high (8-10) UV levels, with burn times decreasing to just 15 minutes. Notably, August sees the highest UV Index at 11, categorized as extreme, which calls for extreme caution with a burn time of only 10 minutes. In September, the UV levels decline slightly but remain very high (8), while they further drop to high (6) in October. By November and December, conditions revert to moderate (3-4) with burn times back to 30 minutes. Visitors and residents should exercise caution and consider protective measures, particularly from April to September, when the risk of sunburn and UV exposure is at its highest.
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 |
| Menlou | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 8 | 6 | 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 |