Last updated: July 2, 2025
In Thi Tran Na Hang, understanding the UV Index is crucial for protecting your skin against harmful sun exposure. With climate classified as Cwa, this picturesque area experiences significant UV levels, particularly during midday when the index can peak at 14, indicating a high risk of harm from unprotected sun exposure. Being aware of these UV levels is essential for sunburn prevention and overall skin health. Whether you're exploring the stunning landscapes or simply enjoying a day outdoors, knowing when to seek shade and wear protective clothing can make a significant difference in safeguarding your skin.
At dawn, the UV Index starts softly at 2 by 07:00, suggesting a low risk for sun exposure. As the morning progresses, it escalates to 4 by 08:00 and reaches 7 at 09:00, indicating a moderate level of sun intensity. The day peaks with an impressive 14 at 12:00, where sun safety becomes crucial as the risk is rated high. Afternoon hours see a gradual decline from 13 at 13:00 down to 10 by 14:00, before dropping further to 6 at 15:00. As the sun begins to set, the UV Index dwindles to 3 by 16:00, and finally settles at 1 by 17:00 and 18:00, with a complete drop to 0 by 19:00, signaling that the sun's rays are no longer a concern. Always remember to protect your skin during those high UV periods!
| 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 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | 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 experiences significant seasonal fluctuations, peaking between March and September, with extreme levels recorded from March (12) to July (14), indicating a critical risk of harm from unprotected sun exposure. High-risk months include March, April, May, June, July, August, and September, where the burn time drops to just 10 minutes—a mere moment in the sun can lead to significant skin damage. Visitors and residents are strongly advised to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen with a high SPF, and seeking shade during peak sunlight hours to minimize UV exposure. As the year progresses, November and December see a decline in the UV index, but even then, caution is recommended in November (9) and December (7) due to moderate risk levels.
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 |
| Thi Tran Na Hang | 8 | 10 | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 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 |