Last updated: August 1, 2025
In Yuanlin, China, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburns and reduce the risk of long-term skin damage, particularly during peak hours when the index is at its highest between 10 a.m. and 2 p.m. With a Dwc climate, Yuanlin experiences significant UV exposure, especially during the sunnier months, making it essential to stay informed about daily UV levels. Whether you’re planning outdoor activities or simply enjoying the sun, keeping an eye on the UV Index is a key step to healthy sun habits!
The UV Index throughout the day demonstrates a clear peak and gradual decline. Starting at 07:00, the index begins modestly at 2, but as the sun rises, it reaches 4 by 08:00. The intensity escalates quickly, hitting 6 at 09:00 and soaring to 8 by 10:00. The sun’s strength reaches its zenith at 11:00 and 12:00, each clocking in at a maximum of 9—a reminder to take necessary precautions! As the afternoon progresses, values dip to 8 at 13:00 and 7 at 14:00, before dropping to 5 by 15:00. The decline continues into the evening, with indices falling to 3 at 16:00, and then to 2 at 17:00, while fading to 1 by 18:00 and 19:00. This data highlights the importance of midday sun protection when the UV levels are at their highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | 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 | 1 | low | 45 min |
As the seasons change, so do the UV Index values, indicating varying levels of sun exposure risk throughout the year. January and February are generally safe months with a low UV Index of 1 and 2, allowing for a burn time of 45 minutes. However, starting in March, the UV Index rises to 5, marking the beginning of a transition into the moderate category, while April and May peak at high levels of 6 and 7 respectively, reducing burn times to 25 minutes. The summer months, particularly June and July, experience the highest UV Index readings of 8 and 9, categorized as very high, making it crucial for individuals to limit sun exposure to just 15 minutes. August remains starkly similar, maintaining a UV Index of 8. As we move towards fall, the index decreases to 6 in September and 4 in October, with burn times gradually increasing again. November and December return to the lower UV levels of 2 and 1, reinstating a safer environment for prolonged exposure. Visitors and residents are advised to take precautions such as wearing sunscreen and protective clothing during the high-risk months of March through September to avoid harmful UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yuanlin | 1 | 2 | 5 | 6 | 7 | 8 | 9 | 8 | 6 | 4 | 2 | 1 |
| 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 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |