UV Index in Hoang Sa, Vietnam

Last updated: July 2, 2025

Understanding the UV Index in Hoang Sa, Vietnam, is crucial for safeguarding your skin against harmful ultraviolet rays. With peak UV levels soaring as high as 14 during midday, awareness of these readings is essential for effective sunburn prevention and overall skin health. The tropical Aw climate of Hoang Sa means residents and visitors face significant UV exposure throughout the year, making it vital to monitor daily UV Index forecasts. By staying informed, you can enjoy the sun safely while protecting your skin from potential damage.

Hourly UV Index in Hoang Sa

As the sun rises, the UV Index gradually increases, starting at a mild 1 at 07:00. By 09:00, it escalates to a moderate 5, but the real intensity begins to peak after 10:00, reaching an impressive 12 by 11:00. The afternoon sun brings the highest readings, hitting a staggering 14 at both 12:00 and 13:00, emphasizing the importance of sun protection during these hours. As the day progresses, the index gradually declines, falling to 11 by 14:00, and tapering off to 5 at 16:00. As evening approaches, the UV Index drops significantly to 2 at 17:00, and finally settles at 0 after 19:00. It’s essential to remain vigilant under the midday sun to safeguard your skin from harmful UV exposure!

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	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Hoang Sa

During the year, UV Index levels exhibit significant seasonal variation, particularly peaking from February through September when the index reaches extreme levels of 12 to 14. The highest-risk months for UV exposure are March through September, with a consistent burn time of just 10 minutes in the extreme category. In contrast, January, November, and December show a very high exposure category at or below UV Index 10, where the burn time extends to 15 minutes. Given these findings, it is crucial for both visitors and residents to take appropriate precautions during the high-risk months, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to safeguard against skin damage.

Monthly Maximum UV Index for Hoang Sa, Vietnam

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Hoang Sa. 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 Hoang Sa, 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 Hoang Sa UV Index with Other Vietnam Cities

The table above highlights how UV exposure in Hoang Sa 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.

Hoang Sa'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
Hoang Sa	10	12	13	14	14	13	14	14	14	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