Last updated: July 2, 2025
Understanding the UV Index in Cho Moi, Vietnam, is crucial for protecting yourself from harmful ultraviolet radiation, especially given the area's Cwa climate. As UV levels can soar to a peak of 13 during midday, it's essential to be aware of these fluctuations to prevent sunburn and maintain long-term skin health. With substantial UV exposure risks typical in Cho Moi, knowledge of the UV Index empowers residents and visitors alike to take necessary precautions, ensuring a safer and more enjoyable outdoor experience under the sun.
The UV Index throughout the day showcases a striking pattern of intensity, peaking sharply around 11:00 AM and 12:00 PM with a robust 13, signaling a high risk for sun exposure during these hours. Early morning starts gently at 2 at 7:00 AM, then steadily climbs, passing through moderate levels at 8:00 AM and 9:00 AM, before reaching a critical point with a 10 at 10:00 AM. Post-noon, the index gradually declines, dropping to 6 by 3:00 PM and further to a much safer 1 by the evening at 5:00 PM and 6:00 PM, where it ultimately settles at 0 by nightfall. To enjoy the sun while protecting your skin, plan outdoor activities early or enjoy them after the 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 | 10 | very high | 15 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 | 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 |
Throughout the year, the UV Index exhibits significant seasonal fluctuations, with January and February marking the start of very high UV levels (8 and 10, respectively) and a burn time of just 15 minutes. As we progress into March and April, the index escalates to an extreme level of 12, with a reduced burn time of 10 minutes, highlighting a critical time for sun safety. The peak risk months span from May to October, where the index reaches a sustained high of 13, continuing to warrant just 10 minutes of unprotected exposure before burn occurs. The UV levels begin to decline in November with a UV Index of 9, still classified as very high, before tapering off to a high of 7 in December with a burn time of 25 minutes. To ensure safety, it is essential for visitors and residents to wear protective clothing, apply sunscreen regularly, and seek shade during peak hours, especially from March to October when UV exposure is most intense.
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 |
Cho Moi | 8 | 10 | 12 | 12 | 13 | 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 |