Last updated: July 2, 2025
In Oymak, China, understanding the UV Index is essential for maintaining skin health and preventing sunburn. With a Dfc climate, residents and visitors alike should be aware of the daily fluctuations in UV levels, peaking at 8 from 11:00 AM to 1:00 PM. Knowing these levels helps you take appropriate precautions against harmful radiation, especially during the sunniest hours. By staying informed about the UV Index, you can enjoy the outdoors while protecting your skin from potential damage.
As the sun rises, the UV Index begins its ascent, starting at a mild 2 by 7:00 AM. By 8:00 AM, it nudges up to 3, signaling a gentle increase in UV exposure. The real intensity kicks in by 9:00 AM, where it jumps to 5, and continues climbing steadily. At 10:00 AM, the index reaches 7, indicating a notable risk for unprotected skin. The peak occurs between 11:00 AM and 1:00 PM, where the UV Index holds steady at a striking 8. As the afternoon unfolds, the intensity gradually wanes; it dips to 7 by 2:00 PM and further decreases to 5 at 3:00 PM. By late afternoon, the UV Index dwindles to 4 at 4:00 PM, and transitions to a much safer levels of 2 by 5:00 PM, cooling off to 1 by 6:00 PM and remaining there until sunset. This data serves as a vital reminder to protect your skin during the midday hours when the sun's rays are most potent.
| 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 | 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, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oymak | 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 |