UV Index in Dong Ha, Vietnam

Last updated: May 3, 2025

Understanding the UV Index in Dong Ha, Vietnam is crucial for both locals and visitors alike, as it plays a vital role in sun safety and skin health. With a tropical climate characterized by high UV exposure, being aware of daily UV levels helps in preventing sunburn and reduces the risk of long-term skin damage. During peak hours, especially between 10 AM and 2 PM, the UV Index can soar to dangerous levels of 14, highlighting the need for protective measures. Equip yourself with knowledge, and enjoy the beautiful sun-soaked days of Dong Ha while safeguarding your skin!

Hourly UV Index in Dong Ha

As the sun rises, the UV Index begins its ascent, starting at a mild 2 by 7:00 AM. By 8:00 AM, it ramps up to 4, signaling the need for light sun protection. The real intensity kicks in around 9:00 AM, peaking at a robust 11 between 10:00 AM and 12:00 PM, when it reaches its highest point of 14. During these hours, it’s essential to find shade and apply sunscreen to shield yourself from harmful rays. As the afternoon progresses, the UV Index gradually declines, dropping to 12 at 1:00 PM before easing to 6 by 3:00 PM, and finally dipping to a low of 1 by 5:00 PM, signaling a retreat from the sun as daylight fades. This data emphasizes the importance of midday sun safety, ensuring maximum protection during the peak 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	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	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 Dong Ha

During the year, UV Index levels fluctuate significantly, with the high-risk months typically spanning from February to October, where the index remains in the extreme category. The peak levels occur from March to August, consistently reaching a UV Index of 14 and a rapid burn time of just 10 minutes. In contrast, January, November, and December present a very high exposure category with slightly longer burn times of 15 minutes. Residents and visitors should take precautions, particularly in the spring and summer months. It is advisable to wear protective clothing, use sunscreen with a high SPF, and limit sun exposure during peak hours to mitigate the risk of harmful UV radiation.

Monthly Maximum UV Index for Dong Ha, Vietnam

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

The table above highlights how UV exposure in Dong Ha 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.

Dong Ha'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
Dong Ha	10	12	14	14	14	13	14	14	13	12	10	9
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