Last updated: June 2, 2025
In Ea Sup, Vietnam, understanding the UV Index is crucial for safeguarding your skin against harmful sun exposure. With the region's tropical climate (Aw), the sun's rays can be particularly intense, especially during midday hours when UV levels peak at a staggering 13. Being aware of these UV levels is essential not just for preventing painful sunburns, but also for maintaining long-term skin health. As daily UV indices fluctuate—ranging from a manageable 2 in the early morning to an extreme 13 at noon—it's important for residents and visitors alike to stay informed and take the necessary precautions.
As the sun rises, the UV Index starts at a mild 2 at 7:00 AM, making it a gentle beginning to the day. By 8:00 AM, it climbs to 4, hinting at the need for a bit of sun protection. The intensity reaches its peak between 10:00 AM and 12:00 PM, soaring to a high of 13. This powerful midday sun calls for extra caution as the UV index hovers at this level for two consecutive hours before gradually tapering off. By 3:00 PM, the UV Index drops to 5 and continues to decline, hitting 1 by 5:00 PM. As evening approaches, the UV levels ease to 0 by 7:00 PM, wrapping up the day with a low-risk, sun-safe atmosphere. Enjoy the bright moments, but don’t forget your sunscreen during those peak hours!
| 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 | 5 | moderate | 30 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 experiences significant fluctuations throughout the year, with extreme levels consistently observed from January to October. March, April, and May peak at a UV Index of 15 to 16, marking them as the highest risk months for sunburn with a burn time of just 10 minutes. Even during the remaining months, such as June, July, August, September, and October, the UV Index remains elevated at 13-14, continuing to pose an extreme risk. Notably, December and November see slightly lower indices but remain in the very high to high category. Therefore, it's crucial for visitors and residents to take proactive sun protection measures throughout the year, especially during these high-risk months, by wearing protective clothing, using broad-spectrum sunscreen, and minimizing direct sun exposure during peak hours.
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 |
| Ea Sup | 11 | 14 | 15 | 16 | 15 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |