Last updated: June 2, 2025
Understanding the UV Index in Geji, China is crucial for safeguarding your skin and promoting overall health in this high-altitude region. With UV levels reaching a peak of 16 during midday, awareness of these levels can empower residents and visitors alike to take necessary precautions against sunburn and long-term skin damage. Geji, situated in an ET climate zone, experiences intense UV exposure, especially in the summer months, making it essential to monitor the UV Index daily. By staying informed, you can enjoy the sun's benefits while minimizing your risks.
As the day unfolds, the UV Index rises dramatically, showcasing the sun's intensity. At 7:00 AM, the index starts at a minimal 0, barely a whisper of UV radiation. By 8:00 AM, it edges up to 1, but it’s not until 9:00 AM that it reaches 2, indicating a slight increase in sun exposure. 10:00 AM brings a more noticeable jump to 4, urging early risers to take precautions. The peak arrives shortly after noon, with the index soaring to an astonishing 16 at 2:00 PM. This midday sun blazes brightest, hitting 14 by 3:00 PM but gradually receding to 10 by 5:00 PM. As the evening descends, we see a gentle decline, settling at 4 by 7:00 PM, a reminder of the day's shifting sunlight and the importance of sun safety.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 16 | extreme | 10 min |
| 15:00 | 16 | extreme | 10 min |
| 16:00 | 14 | extreme | 10 min |
| 17:00 | 10 | very high | 15 min |
| 18:00 | 7 | high | 25 min |
| 19:00 | 4 | moderate | 30 min |
Throughout the year, UV Index levels exhibit notable seasonal changes, peaking during the warmer months. January and December see relatively lower UV Index values (7 and 6, respectively), categorized as high, with burn times of 25 minutes. However, as we move into February, the index rises to 8 (very high) and continues to escalate sharply, reaching its zenith in the summer months with May, June, July, and August all at an extreme UV Index of 16, where the burn time shortens to just 10 minutes. The high-risk months for sun exposure are evident from March to October, with the index remaining at extreme or very high levels. Visitors and residents should take special precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade, particularly during peak sun hours, to minimize the risk of sunburn and 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 |
| 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 |
| Geji | 7 | 8 | 13 | 15 | 16 | 16 | 16 | 16 | 14 | 12 | 8 | 6 |