Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tra On, Vietnam, especially given the area's tropical Aw climate that brings intense sunlight throughout the day. The UV Index provides essential information about the strength of ultraviolet radiation, allowing individuals to take proactive measures against sunburn and long-term skin damage. With peak UV levels soaring to 13 around noon, it's vital to be aware of when to protect your skin during daily activities. Staying informed about these UV levels can help ensure that you enjoy the beautiful sunny days in Tra On while safeguarding your skin health.
The UV Index data reveals a dynamic fluctuation throughout the day, peaking at a maximum of 13 around noon. The morning starts off gently, with readings of only 1 at 07:00 and 3 by 08:00, perfect for early risers. However, as the sun ascends, the intensity rises sharply, hitting a critical 10 by 10:00 and reaching its zenith at 12 by 11:00 and 13 by 12:00. The afternoon sees a gradual decline, with values dropping to 9 at 14:00, and then further sliding to 6 by 15:00. As evening approaches, the UV Index dwindles to 3 by 16:00, and finally tails off to 1 by 17:00, nurturing a calmer end to the day. With clear awareness of these fluctuations, individuals can effectively plan their outdoor activities, ensuring protection during the most intense hours.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 12 | 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, 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 |
Tra On | 11 | 14 | 16 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 11 | 10 |