Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Rizhao, China, where the climate encourages outdoor activities but also presents significant sun exposure risks. With UV levels reaching a maximum of 10 at noon, awareness of these fluctuations can play a vital role in preventing sunburn and protecting long-term skin health. Rizhao's temperate climate and sunny days can amplify the potential for harmful UV rays—making it essential to understand daily UV levels to safely enjoy the beautiful beaches and outdoor attractions this vibrant coastal city has to offer. Stay informed and shield your skin!
The UV Index throughout the day presents a dynamic picture of sun exposure, peaking at 10 from 12:00 PM to 1:00 PM, signaling a high risk for harm from unprotected sun exposure. Early risers may experience a milder index of 2 at 7:00 AM, but as the day progresses, the intensity builds up dramatically. By 10:00 AM, it reaches 8, and shortly after at 11:00 AM, it hits 9—a clear indication to seek shade if you're outdoors. As the afternoon unfolds, the index starts to decline, dropping to 4 by 3:00 PM and settling at a safe 1 by 5:00 PM onwards, making the late evening safe for outdoor activities. Overall, it’s crucial to be mindful of the high UV levels from late morning to early afternoon, making sun protection essential during those 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 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | 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 |