UV Index in Sa Thay, Vietnam

Last updated: June 2, 2025

In Sa Thay, Vietnam, understanding the UV Index is crucial for protecting your skin and overall health. With peaks reaching up to 14 during midday, this tropical climate poses significant risks for sunburn and long-term skin damage if precautions aren't taken. Awareness of UV levels not only helps prevent painful burns but also plays a vital role in maintaining healthy skin over time. As you enjoy Sa Thay's warm sun, keeping an eye on the UV Index can ensure your outdoor activities remain safe and enjoyable, allowing you to bask in the beauty of this vibrant region without the worry of harmful exposure.

Hourly UV Index in Sa Thay

The UV Index for the day showcases a dynamic rise and fall, peaking in the early afternoon. From a gentle 2 at 7:00 AM, the index escalates to 11 by 10:00 AM, reaching its zenith of 14 at 12:00 PM. This is the point to be cautious; between 11:00 AM and 1:00 PM with values of 13 and 12 respectively, the midday sun is at its strongest. As the afternoon progresses, the UV Index declines, dropping to 9 at 2:00 PM, and continuing to diminish to 6 by 3:00 PM. The evening brings a welcome relief, with readings falling to 1 by both 5:00 PM and 6:00 PM, and finally settling at 0 as the day fades into night. Be sure to protect your skin during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
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	13	extreme	10 min
12:00	14	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

Monthly UV Index Trends in Sa Thay

Throughout the year, UV Index levels remain notably high, particularly from January to October, with values consistently in the extreme exposure category and a maximum index of 16 in April. The months of February and March are particularly notable, peaking at index levels of 13 and 15, respectively. High-risk months are clearly established as April, May, July, and August, where UV exposure is critically intense, posing a serious risk for sunburn within just 10 minutes of direct exposure. Residents and visitors should take strict precautions during these months, including wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours. In December, while the UV Index lowers to 10 (very high) with a burn time of 15 minutes, it is still vital to remain vigilant. Prioritize skin protection to ensure safety throughout the year.

Monthly Maximum UV Index for Sa Thay, Vietnam

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sa Thay. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Sa Thay, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Sa Thay UV Index with Other Vietnam Cities

The table above highlights how UV exposure in Sa Thay compares to other major locations across Vietnam. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Sa Thay's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.
	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
Sa Thay	11	13	15	16	15	14	15	15	14	13	11	10