Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Ninh Hoa, Vietnam, where the tropical climate can expose you to intense sunlight year-round. With UV levels peaking at 14 around midday, awareness of these levels is essential for preventing sunburn, protecting skin health, and reducing the risk of longer-term damage. The sun’s rays can be particularly harsh in this coastal region, making it vital to check the UV Index regularly. Equip yourself with knowledge to enjoy the beautiful Ninh Hoa sun safely!
The UV Index throughout the day paints a vivid picture of sun intensity and potential exposure risks. At 7:00 AM, it starts at a mild 2, making it safe for early outdoor activities. However, by 9:00 AM, it ramps up to 8, signaling increased caution. The peak hits at 11:00 AM and 12:00 PM, both soaring to 14, indicating high UV levels that demand protective measures. As the afternoon progresses, the index gradually declines—down to 5 by 3:00 PM and falling to a comfortable 1 by 5:00 PM. Surprisingly, by 7:00 PM, it drops to 0, giving way to safer evening outdoor conditions. Those planning to bask in the sun should be vigilant between 10:00 AM and 2:00 PM, when the sun's rays are at their fiercest!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 8 | very high | 15 min |
10:00 | 11 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels remain consistently high, particularly in January to April, where values peak at 16 in March. This period represents the highest risk months for sun exposure, prompting caution among visitors and residents alike. The exposure category is consistently classified as extreme, with a burn time of just 10 minutes, indicating that unprotected skin can be negatively affected in less than a quarter of an hour. Even as the summer heat peaks with UV levels remaining at 14 in July, August, and September, the need for protective measures persists. As we transition into the fall and winter months, UV levels gradually decrease, but even in November and December, the UV index remains notably high at 11 and 10 respectively, with a burn time of 15 minutes in December. It is crucial for everyone to remain vigilant by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours 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 |
Ninh Hoa | 11 | 13 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |