Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Baoli, China, where the typical Cwa climate brings both beauty and significant sun exposure. As the sun's rays intensify throughout the day, reaching a peak UV Index of 11 around noon, awareness of UV levels becomes vital for preventing sunburn and protecting skin health. By staying informed, you can enjoy the outdoors safely while minimizing the risk of UV-related skin damage. With Baoli's climate, being proactive about sun safety is essential, especially during those midday hours when alarming UV levels could pose serious risks.
Throughout the day, the UV Index experiences a dramatic increase, peaking at 11 between noon and 1 PM, indicating a very high level of solar radiation. Early risers will notice a gentle start, with a UV Index of just 1 at 7 AM, gradually climbing to 4 by 9 AM. As the sun reaches its zenith, values soar to 9 at 11 AM, signaling it's time to take precautions. After the peak, the UV Index begins to decline, dropping to 10 at 2 PM, then tapering off to 3 by 5 PM and resting back down to 1 by 6 PM. Staying protected in the midday sun is crucial for skin safety during these hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | 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 | 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 index levels experience significant fluctuations, with high-risk months occurring primarily from March to October. The peak UV index reaches 11 during the summer months of June and July, categorizing these periods as extreme and necessitating urgent sun protection measures, where burn time is reduced to just 10 minutes. As spring progresses, April and May also pose considerable risk with UV indexes of 9 and 10, respectively. Even during September and October, while still high, the index remains at 9 and 8, warranting caution. Conversely, winter months (January, February, November, and December) present lower risks, characterized by moderate levels and extended burn times of 30 minutes. Visitors and residents are strongly advised to take precautions such as wearing sunscreen, protective clothing, and sunglasses, especially during the high and extreme UV index months, to safeguard against skin damage and health 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 |
| Baoli | 4 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 8 | 5 | 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 |