Last updated: July 2, 2025
In Long My, Vietnam, understanding the UV Index is crucial for maintaining skin health and practicing sunburn prevention. With the region's tropical climate and intense sunlight hours, daily awareness of UV levels can make a significant difference in protecting yourself from harmful ultraviolet rays. The UV Index peaks between 10:00 AM and 1:00 PM, reaching a maximum of 13, indicating a high risk for harm from unprotected sun exposure. By staying informed about the UV Index in Long My, residents and visitors alike can enjoy the sunshine safely while safeguarding their skin for years to come.
The UV Index shows a dramatic rise throughout the morning, starting at a mild 1 at 7:00 AM. As the sun climbs higher, it peaks at an intense 13 from 11:00 AM to 12:00 PM, signaling a high level of UV radiation that necessitates protective measures. The intensity gradually tapers off in the afternoon, dipping to 9 at 2:00 PM, before continuing its decline to 6 by 3:00 PM. By 4:00 PM, the UV Index drops to 3, and as twilight approaches, it settles back down to a safe 0 by 7:00 PM. This data emphasizes the importance of sun safety, particularly during the midday hours when UV exposure is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 10 | very high | 15 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 |
Throughout the year, UV Index values reveal consistent extreme exposure risks, particularly pronounced from February to October. The highest UV Index occurs in March, reaching 16, followed closely by April and August at 14. Consequently, the months of February, March, April, and August are particularly high-risk for skin damage, with the burn time remaining a mere 10 minutes across all months. It is essential for both visitors and residents to take precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure, especially during peak hours. Staying vigilant about UV levels can help mitigate the risk of harmful effects associated with prolonged sun exposure.
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 |
Long My | 11 | 14 | 16 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 11 | 11 |