Last updated: May 3, 2025
In Tan Chau, Vietnam, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With its tropical climate characterized by high temperatures and strong sun exposure, residents and visitors alike should be mindful of UV levels, especially during peak hours when the index soars. For instance, the UV Index reaches a maximum of 14 around noon, indicating a very high risk of harm from unprotected sun exposure. By staying informed about UV intensity, individuals can take appropriate precautions, ensuring a safer and healthier outdoor experience in this vibrant region.
The UV Index (UVI) data reveals a dramatic rise in sun intensity throughout the morning, peaking at a striking 14 by noon. The trend begins subtly at 7:00 AM with a low 2, gradually increasing as the sun climbs higher in the sky. By 10:00 AM, the UVI hits 11, indicating very high levels of UV radiation that warrant caution, especially for outdoor activities. The intensity remains at its highest during 11:00 and 12:00 when protective measures are crucial. As the afternoon progresses, the UVI starts to decline, dropping to 5 by 3:00 PM, before tapering off to a mere 1 by 5:00 PM. This data highlights the importance of being vigilant about sun safety, particularly during the peak hours when the UV Index is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 11 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variation, peaking between February and September, when it reaches extreme levels of 14-15, resulting in a burn time of just 10 minutes for unprotected skin. January and December are slightly lower with a UV Index of 10, classified as very high, allowing for a burn time of 15 minutes. Notably, the months from February to November are categorized as high-risk, necessitating extra precautions for visitors and residents who plan to spend time outdoors. It is essential to wear sunscreen, protective clothing, and seek shade during peak hours to mitigate the risk of skin damage, especially during this high-risk period.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hanoi UVI | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 11 | 9 | 7 |
Haiphong UVI | 8 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 |
Da Nang UVI | 10 | 12 | 14 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 10 | 9 |
Ho Chi Minh City UVI | 10 | 13 | 15 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 11 | 10 |
Bien Hoa UVI | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 10 |
Tan Chau | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |