UV Index in Dong Ha, Vietnam

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors of Dong Ha, Vietnam, especially given the region's warm tropical climate. The UV levels can soar to a maximum of 13 by midday, significantly increasing the risk of sunburn and long-term skin damage. Being aware of the UV Index helps you take preventive measures to protect your skin health and enjoy outdoor activities safely. With Dong Ha's typical exposure risks peaking during the late morning to early afternoon, it's crucial to stay informed and take the necessary precautions when heading out into the sun.

Hourly UV Index in Dong Ha

The UV Index for today presents a dynamic range, peaking significantly during the midday hours. Starting at a mild 2 at 07:00, the index climbs steadily to a moderate 4 by 08:00. However, as the sun rises higher, it surges to a striking 11 at 10:00, reaching its zenith with a critical 13 by 11:00 and holding steady until 12:00. As the afternoon sets in, the index begins a descent, tapering off to 12 at 13:00, then dropping to 9 by 14:00. The late afternoon brings further relief, with readings declining to 6 at 15:00, and continuing downwards to 1 by 17:00. As the sun retreats, the index falls to 0 by 19:00, marking a dramatic end to the day's UV exposure. Remember to protect your skin during those peak hours to enjoy the sunshine safely!

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	7	high	25 min
10:00	11	extreme	10 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 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