Last updated: June 2, 2025
Understanding the UV Index is essential for the residents of Holt, China, where the climate can intensify UV exposure risks, particularly during peak sun hours. Being aware of UV levels is crucial for sunburn prevention and maintaining overall skin health, as even moderate exposure can lead to long-term damage. In Holt, the UV Index typically peaks around midday, reaching levels of 10, which signals a need for protective measures. With a Dwb climate, characterized by dry winters and warm summers, it's vital for locals to stay informed and take necessary precautions against harmful ultraviolet radiation.
At dawn, as the sun begins its ascent, the UV Index starts at a modest 2 at 07:00. By 08:00, it climbs to 4, signaling a gradual increase in sunlight intensity. The day peaks with a maximum UV Index of 10 from 11:00 to 13:00, reminding us to seek shade and wear adequate protection. As the afternoon progresses, the index dips to 8 at 14:00, followed by a steady decline to 6 by 15:00. By the time evening sets in, the UV Index drops sharply to 2 at 17:00, and settles at a minimal 1 by 18:00 and 19:00. This hourly data serves as a stark reminder of nature’s powerful rays—stay protected during the midday hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 6 | high | 25 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 |
As the seasons change, so does the UV Index, reflecting varying levels of sun exposure and associated risks throughout the year. High-risk months typically occur from May to August, during which the UV Index reaches its peak at 10, indicating a very high exposure category and a burn time of only 15 minutes. This highlights the need for extra caution, including the use of sunscreen, protective clothing, and seeking shade during peak sun hours. Conversely, in the winter months of January and December, the UV Index drops to 2, indicating a low exposure category with longer burn times of 45 minutes. Visitors and residents are advised to remain vigilant of UV levels, especially during the warmer months, to protect their skin from harmful effects.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Holt | 2 | 3 | 6 | 7 | 9 | 10 | 10 | 10 | 7 | 5 | 3 | 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 |