UV Index in Luang Prabang, Laos

Last updated: July 2, 2025

Understanding the UV Index in Luang Prabang, Laos is crucial for protecting your skin and ensuring health while enjoying the beautiful landscapes of this UNESCO World Heritage Site. With the city's tropical climate and high elevation, UV levels can soar, peaking at a concerning 15 around noon. Being aware of these levels not only helps in preventing painful sunburns but also plays a significant role in long-term skin health. As you explore Luang Prabang's stunning temples and lush scenery, remember that from mid-morning to early afternoon, the sun’s rays can be particularly intense, making sun protection an essential part of your daily routine.

Hourly UV Index in Luang Prabang

The UV Index shows a dramatic rise in solar intensity as the morning progresses. Starting at a mere 1 at 07:00, the index climbs steadily, reaching a peak of 15 by noon. As the sun reaches its zenith, from 11:00 to 13:00, it's crucial to take precautions against harmful UV rays, particularly when the index hits 13 and 14. However, relief comes in the afternoon as it begins to dip to 11 at 14:00, eventually dropping to 4 by 16:00 and plummeting to 0 by 19:00. This data highlights the importance of sun safety during the height of the day, especially when the UV Index is at its highest. Stay sun-smart!

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	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 Luang Prabang

Throughout the year, UV Index values exhibit significant seasonal changes, with the highest levels observed from May to August. These months are classified as high-risk, with UV Index readings peaking at 15 in July and August, indicating an extreme exposure category and a minimal burn time of just 10 minutes. As a result, it is crucial for visitors and residents to take proactive measures to protect their skin during this time, such as wearing sunscreen, protective clothing, and hats, and seeking shade whenever possible. In contrast, the UV Index begins to drop in the latter part of the year, with levels declining to 8 in December, but caution is still advised during the very high categories in January, November, and early December, where burn times are still significant at 15 minutes.

Monthly Maximum UV Index for Luang Prabang, Laos

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

The table above highlights how UV exposure in Luang Prabang 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.

Luang Prabang'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	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
Pakse UVI	10	13	14	15	14	13	15	14	14	12	10	9