UV Index in Dien Bien Dong, Vietnam

Last updated: July 2, 2025

In Dien Bien Dong, Vietnam, staying informed about the UV Index is crucial for safeguarding your skin and overall health. With UV levels soaring to a peak of 15 during midday, understanding these fluctuations is key to preventing sunburn and long-term skin damage. The region's Cwa climate brings distinct seasonal variations, but the risk of high UV exposure remains a consistent concern, especially during the hotter months. By monitoring the UV Index, you can better protect yourself and enjoy the beautiful outdoors while minimizing harmful effects.

Hourly UV Index in Dien Bien Dong

The UV Index displays a striking ascent throughout the morning, peaking at a maximum of 15 by noon. From a gentle start at 1 at 7:00 AM, the intensity escalates rapidly, reaching a notable 10 by 10:00 AM and hitting its zenith of 13 at 11:00 AM. As the clock ticks past midday, the intensity begins to wane, dropping to 11 by 2:00 PM before gradually declining to 0 as the sun sets, marking the day's end. It's a critical reminder to stay protected during those peak hours, particularly between 11:00 AM and 1:00 PM, when the sun’s rays pack a powerful punch!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	15	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	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 Dien Bien Dong

The UV Index exhibits significant seasonal changes, with high-risk months predominantly occurring from February to October. During this period, the UV Index reaches extreme levels, peaking in May and July at an index of 15, which corresponds to a burn time of just 10 minutes. January begins with a very high UV Index of 9, while exposure levels gradually rise until reaching their peak in the summer months. In November and December, the UV Index decreases to 10 and 8, respectively, where the burn time increases to 15 minutes. Visitors and residents are advised to take precautions during these high-risk months, such as wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure, especially during peak hours. Adhering to these guidelines can help mitigate the risk of skin damage and ensure a safer outdoor experience.

Monthly Maximum UV Index for Dien Bien Dong, Vietnam

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

The table above highlights how UV exposure in Dien Bien Dong 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.

Dien Bien Dong'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
Dien Bien Dong	9	11	13	13	15	14	15	14	14	12	10	8
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