Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Heimahe, China, where the sun's intensity can pose significant health risks, particularly during the peak midday hours. With the climate classified as Dwc, Heimahe experiences distinct seasonal changes that influence UV exposure levels. Awareness of these levels helps prevent sunburn and protects skin health, making it essential to stay informed. Notably, the UV Index can soar to a staggering 14 from 12 PM to 1 PM, guiding locals and visitors alike to take necessary precautions against the potentially harmful effects of UV rays. Embrace smart sun practices to enjoy the beautiful outdoors safely!
As the day unfolds, the UV Index starts off mild at 1 around 7:00 AM, gradually climbing to 2 by 8:00 AM. The sun continues to rise, punctuating the morning with increased intensity, peaking at a formidable 14 between 1:00 PM and 2:00 PM. This midday surge is a reminder to take extra precautions, as the index reaches a high of 13 just before and after. As the afternoon wanes, the UV levels begin to recede, dropping to 6 by 5:00 PM, and finally settling back to 1 by 7:00 PM. It’s a perfect illustration of nature's rhythm, where midday shines the brightest, urging us to embrace sun safety.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the UV Index varies throughout the year, it’s critical for both visitors and residents to understand seasonal changes and high-risk months. From January (UV Index 4) to December (UV Index 4), the UV levels rise sharply, peaking during the summer months. March shows a significant increase to a UV Index of 9, which is classified as very high, while April through August reach extreme levels with indices ranging from 12 to 14, indicating a burn time as short as 10 minutes. High-risk months include March through September, where protective measures, such as wearing sunscreen, hats, and UV-protective clothing, are essential to prevent skin damage. As we transition into the fall and winter months, UV exposure decreases, allowing for more leisurely outdoor activities without the immediate risk associated with extreme UV radiation. Always stay informed and take necessary precautions during high UV periods to ensure safety.
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 |
| Heimahe | 4 | 6 | 9 | 12 | 14 | 14 | 14 | 13 | 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 |