Last updated: June 2, 2025
In Rizhao, China, staying aware of the UV Index is vital for protecting your skin and overall health. Understanding UV levels helps you prevent sunburn and mitigate long-term skin damage, especially during peak intensity hours, which can reach a maximum UV Index of 10 around noon. Rizhao's Cwa climate brings warm summers and significant sunlight, making it essential to monitor UV exposure risks regularly. By being informed about the UV Index, you can enjoy the outdoors safely while safeguarding your skin from harmful ultraviolet rays.
During the day, the UV Index experiences a significant rise, starting off at a modest 2 by 07:00. As the sun climbs higher, it reaches a peak of 10 at both 11:00 and 12:00, indicating a high level of UV radiation. It's crucial to protect your skin during these hours. Following this peak, the index begins to taper off, dropping to 9 at 13:00, and gradually falling to 1 by 19:00 as dusk approaches. This pattern underscores the importance of sun safety in the late morning and early afternoon, when UV exposure is at its most intense. Stay vigilant and enjoy the sun responsibly!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | 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 fluctuates significantly, indicating varying levels of sun exposure risk. From January to February, UV levels are moderate (UV Index 3 to 5), allowing for 30 minutes of burn time without protective measures. As spring approaches in March, the UV Index rises to 7, signifying high exposure risks, with a reduced safe exposure time of 25 minutes. The intensity peaks during the summer months, particularly in July, when the UV Index reaches an extreme level of 11, cutting burn time down to just 10 minutes. May, June, and August also present very high risks, with a UV Index of 10 and a burn time of only 15 minutes. As autumn arrives in September and October, conditions remain very high to high, respectively, offering 15 to 25 minutes of safe exposure time. The year closes out with moderate UV levels again in November and December at indices of 5 and 3, allowing 30 minutes of burn time. Visitors and residents should take precautions during the high-risk months—specifically from March to October—by wearing sunscreen, protective clothing, and sunglasses, and limiting direct sun exposure during peak hours to safeguard against skin damage.
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 |
| Rizhao | 3 | 5 | 7 | 8 | 10 | 10 | 11 | 10 | 8 | 7 | 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 |