UV Index in Vangviang, Laos

Last updated: August 1, 2025

In Vangviang, Laos, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels helps in preventing sunburn, maintaining healthy skin, and reducing the risk of long-term damage. With Vangviang's tropical climate, residents and visitors alike face significant UV exposure—especially during peak hours when the index can soar to a staggering 15. By staying informed about UV levels, you can enjoy the stunning beauty of this region while safeguarding your health.

Hourly UV Index in Vangviang

As the sun rises, the UV Index gradually ascends, beginning at a mere 1 at 7:00 AM. By 8:00 AM, it ticks up to 3, signaling a mild start. However, the intensity intensifies rapidly, with the index soaring to a staggering 10 by 10:00 AM and peaking at an intense 15 at 12:00 PM. The sun casts its strongest rays between 11:00 AM and 1:00 PM, during which time the UV Index reaches a high of 14, creating a potential for significant skin damage without protection. As the afternoon progresses, values begin to wane, dropping to 11 at 2:00 PM and continuing downward to 8 by 3:00 PM. The day concludes with a decline to 2 at 5:00 PM and eventually 0 by 7:00 PM, signaling a safe return for evening activities. It's crucial to stay protected during those peak hours!

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	6	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	8	very high	15 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 Vangviang

The UV Index exhibits significant seasonal variation, reaching its peak during the summer months of July and August with an extreme rating of 15. High-risk months also include March through June, where the index consistently measures 14, necessitating caution for sun exposure with a burn time as short as 10 minutes. Residents and visitors should take urgent precautions during these months: wear protective clothing, use broad-spectrum sunscreen, and seek shade during peak hours. In contrast, January and December see a drop to a UV Index of 9, categorized as very high, where burn time extends to 15 minutes. Being aware of these fluctuations can significantly help in protecting skin health throughout the year.

Monthly Maximum UV Index for Vangviang, Laos

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

The table above highlights how UV exposure in Vangviang compares to other major locations across Laos. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Vangviang's solar exposure compared to other cities in Laos. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Luang Prabang UVI	9	11	13	13	14	14	15	15	14	13	10	8
Vientiane UVI	9	11	13	14	14	13	14	14	14	12	9	8
Thakhek UVI	9	11	13	15	14	13	15	14	14	12	10	9
Savannakhet UVI	10	12	14	14	14	13	15	14	14	12	10	9
Vangviang	9	11	14	13	14	14	15	15	14	13	10	9
Pakse UVI	10	13	14	15	14	13	15	14	14	12	10	9