UV Index in Hau Nghia, Vietnam

Last updated: July 2, 2025

Understanding the UV Index is crucial for the residents and visitors of Hau Nghia, Vietnam, where the warm, tropical climate brings its own set of sun exposure challenges. With UV levels soaring as high as 13 during peak hours, being aware of these fluctuations can help you take vital steps to prevent sunburn and safeguard your skin health. As part of the Aw climate zone, Hau Nghia experiences significant UV exposure risks, especially between 10 AM and 2 PM, making it essential to stay informed about daily UV Index readings to enjoy the sun responsibly while protecting your skin.

Hourly UV Index in Hau Nghia

The UV Index for the day demonstrates a significant rise and fall in intensity, peaking sharply at 11:00 AM and 12:00 PM with a staggering 13. Early in the morning, from 7:00 AM to 8:00 AM, the index starts low at 1, gradually increasing to 3 by 8:00 AM. As the sun climbs higher, a rapid escalation occurs, reaching 10 by 10:00 AM and hitting its maximum at noon. After this peak, the index begins to decline, dropping steadily to 9 at 2:00 PM, and later retreating to 1 by 5:00 PM. By 7:00 PM, the UV Index has faded to 0, reminding us of the crucial midday hours to protect our skin from 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	3	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

Monthly UV Index Trends in Hau Nghia

The UV Index exhibits significant seasonal variation, with the highest levels typically occurring from February to April, where values reach up to 15 in March and April and fall under the extreme exposure category. During these months, the burn time for unprotected skin is a mere 10 minutes, highlighting the need for heightened caution. May to September maintains similarly high UV indices, also categorized as extreme, albeit with a slight reduction in index values, while January and December present very high levels of UV at 10, allowing for slightly longer burn times of 15 minutes. To protect themselves during the high-risk months, residents and visitors are advised to take sun safety precautions seriously, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially between 10 a.m. and 4 p.m.

Monthly Maximum UV Index for Hau Nghia, Vietnam

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

The table above highlights how UV exposure in Hau Nghia 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.

Hau Nghia'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
Hau Nghia	10	14	15	15	13	13	13	14	13	13	11	10
Bien Hoa UVI	10	14	15	15	14	13	14	14	13	12	11	10