Last updated: July 2, 2025
Understanding the UV Index in Sa'erhusong, China is crucial for protecting your skin and maintaining overall health. High UV levels can lead to sunburn and increase the risk of long-term skin damage, making awareness of these daily fluctuations essential. With the region's semi-arid climate, residents and visitors alike should be mindful of the UV exposure risks, particularly during peak hours when the index reaches a high of 8 around midday. By staying informed about local UV levels, you can enjoy the sunny days while safeguarding your skin from harmful effects.
In the early hours, from 07:00 to 08:00, the UV Index remains low, peaking at just 3, making it a safe time for outdoor activities without much concern. As the day progresses, the UV Index begins to climb, reaching 5 by 09:00. The real intensity emerges between 10:00 and 12:00, where readings peak at an impressive 8 during 11:00 and 12:00, suggesting that sun protection is essential. The intensity eases slightly in the afternoon, dropping to 7 by 14:00 before tapering off to 5 at 15:00. As the sun sets, the UV Index declines rapidly, plummeting to 2 by 17:00 and trailing off to a gentle 1 by 19:00, signifying a perfect end to the day for evening strolls with minimal UV exposure.
| 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 | 8 | 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 risks for sun exposure. From January to March, UV levels are relatively low to moderate, with January having an index of 2 (low exposure) and March reaching 5 (moderate exposure). However, as we transition into April and May, the UV index climbs sharply to 7 (high) and 9 (very high), respectively. The summer months of June, July, and August maintain a dangerous UV index of 8 or 9, making them the high-risk months for sunburn. September sees a decline to 6 (high), followed by a return to moderate levels in October (4), before dropping back to low levels in November and December (both 2). Residents and visitors are strongly advised to practice sun safety, especially from April through August, using sunscreen, wearing protective clothing, and seeking shade during peak sun hours to mitigate the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sa'erhusong | 2 | 3 | 5 | 7 | 9 | 9 | 8 | 8 | 6 | 4 | 2 | 2 |
| 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 |