Last updated: August 1, 2025
Being aware of the UV Index in Cat Cat, Vietnam is crucial for maintaining your skin health and preventing sunburn. Understanding the varying UV levels throughout the day can help you make informed decisions about outdoor activities and necessary sun protection. With a Cfa climate, Cat Cat experiences significant UV exposure, especially during midday when indexes soar to 15. By recognizing these patterns, you can enjoy the beauty of this stunning locale while safeguarding your skin from harmful rays.
The UV Index data presents a dynamic picture of sun exposure throughout the day, peaking at 15 around noon. Early morning hours start with a gentle 2 at 7:00 AM and climb steadily, reaching a moderate 4 by 8:00 AM. The intensity surges as the day progresses, hitting 11 by 10:00 AM and spiking to a maximum of 13 at 11:00 AM. Just when you think it can't get any stronger, the UV Index flashes to a blistering 15 at 12:00 PM, before gradually tapering off after 1:00 PM, with values decreasing to 4 by 4:00 PM and dwindling to 1 by 6:00 PM. In the evening, the UV Index sinks to 0 by 7:00 PM, signaling a safe time to step outside without sun protection. 🌞
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | 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 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index reflects significant seasonal fluctuations, with high-risk months identified from March to October, during which the index remains consistently between 13 and 15, categorizing these periods as extreme exposure. Particularly, May and July are the peak months for UV exposure, necessitating vigilant sun safety precautions with a burn time of just 10 minutes. In contrast, January and November present very high conditions with slightly longer burn times of 15 minutes. Visitors and residents are advised to prioritize sun protection measures such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is at its highest. As winter approaches, UV levels decrease, but caution is still advisable in early spring and late fall.
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 |
Cat Cat | 8 | 10 | 13 | 13 | 15 | 14 | 15 | 14 | 14 | 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 |