Last updated: June 2, 2025
In Cau Ke, Vietnam, awareness of the UV Index is essential for safeguarding your skin and overall health. Understanding the UV levels throughout the day is crucial, as high readings can lead to sunburn and long-term skin damage. With its tropical Aw climate, Cau Ke typically experiences intense sun exposure, especially between 10 AM and 1 PM, when the UV Index reaches its peak at 13. By staying informed about local UV levels, residents and visitors can take proactive measures to protect themselves from harmful rays and enjoy the beautiful Vietnamese sun safely.
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 |
| Cau Ke | 11 | 14 | 16 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 11 | 10 |