Last updated: May 3, 2025
In Dien Chau, Vietnam, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. The UV Index serves as a vital tool for sunburn prevention and maintaining long-term skin health, especially in a region where the climate is typically sunny and warm year-round. With peak UV levels reaching a high of 13 between noon and 1 PM, residents and visitors alike must be vigilant about their sun exposure. By staying informed about the UV Index, you can take proactive measures to enjoy the beautiful outdoors while minimizing the risks associated with UV radiation.
The UV Index for today presents a dynamic range, peaking significantly during the midday hours. Starting at a mild 2 at 07:00, the index climbs steadily to a moderate 4 by 08:00. However, as the sun rises higher, it surges to a striking 11 at 10:00, reaching its zenith with a critical 13 by 11:00 and holding steady until 12:00. As the afternoon sets in, the index begins a descent, tapering off to 12 at 13:00, then dropping to 9 by 14:00. The late afternoon brings further relief, with readings declining to 6 at 15:00, and continuing downwards to 1 by 17:00. As the sun retreats, the index falls to 0 by 19:00, marking a dramatic end to the day's UV exposure. Remember to protect your skin during those peak hours to enjoy the sunshine safely!
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 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index demonstrates significant seasonal fluctuations, with the highest risks occurring during the summer months. From March through October, the UV Index rises to extreme levels, peaking at 14 in July, August, and September, where a mere 10 minutes of unprotected exposure can lead to skin damage. Conversely, January and February also present high risks with UV Index values of 8 and 10 respectively, while November reverts to very high at 9. Residents and visitors should take precautions, especially from March to October, by seeking shade, wearing protective clothing, and applying sunscreen to safeguard against harmful UV rays. During the winter months, although the risks decrease, it remains essential to remain vigilant, particularly in January and February.
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 |
Dien Chau | 8 | 10 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 12 | 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 |