Last updated: June 2, 2025
Understanding the UV Index in Chau Thanh, Vietnam is essential for protecting your skin and promoting overall health. With UV levels peaking between 10 AM and 1 PM, reaching as high as 13, being aware of the sun's intensity can help you prevent sunburn and long-term skin damage. Chau Thanh enjoys a warm Aw climate, which means residents and visitors alike face elevated exposure risks throughout the day. By staying informed about the UV Index, you can take proactive steps to safeguard your skin while enjoying the vibrant sun-soaked lifestyle of Chau Thanh.
The UV Index today tells a compelling story of sun intensity, peaking dramatically as the day unfolds. Starting at a mild 1 at 7:00 AM, it quickly escalates to a notable 4 by 8:00 AM. As we reach 9:00 AM, the index surges to 7, but the real intensity hits between **10:00 AM and 12:00 PM, with a maximum of 13 at noon. This period poses the highest risk, with levels remaining above 10 until 1:00 PM, when it dips slightly to 11. Gradually, the sun's grip weakens, and by 3:00 PM, the index drops to 5, followed by a further decline to 3 by 4:00 PM. As daylight dwindles, so does the UV threat, settling back to 1 by 5:00 PM and eventually fading to 0 by 7:00 PM. For outdoor enthusiasts, midday precautions are critical, while the evening brings relief from harmful rays.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | 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 |
Throughout the year, UV exposure remains consistently high, with the highest UV Index readings occurring from March to September, peaking at 16 in March. The months of February to September are particularly high-risk for skin damage, each categorized as "extreme" exposure, where even short periods of sun exposure can lead to burns within just 10 minutes. As a result, it is essential for both visitors and residents to take preventative measures during these months. This includes wearing sunblock, protective clothing, and sunglasses, and seeking shade whenever possible. While the UV Index decreases slightly from October to December, it is still advisable to remain vigilant, especially with the very high category in December, where burn time extends to 15 minutes. Prioritizing sun safety is crucial year-round.
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 |
| Chau Thanh | 11 | 14 | 16 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 11 | 10 |