UV Index in Muang Long, Laos

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Muang Long, Laos, where the sun's rays can be both a source of warmth and a potential hazard. With UV levels peaking at a significant 14 around midday, awareness of these fluctuations can help prevent sunburn and safeguard skin health. The local climate, categorized as Cwa, presents unique exposure risks, especially during the sunny hours from 10 AM to 2 PM. By staying informed about UV conditions, you can enjoy the beautiful outdoor scenery without compromising your health.

Hourly UV Index in Muang Long

As the sun rises, the UV Index starts off low at 1 by 7:00 AM, gradually climbing to a moderate 3 by 8:00 AM. However, by 9:00 AM, it takes a sharp leap to 6, signaling that sun protection should be considered. The peak intensity occurs at 12:00 PM, hitting a striking 14, where the sun’s rays are most potent and precautions are essential. The afternoon sees a slight decline, dropping to 11 by 2:00 PM, before further retreating to 8 at 3:00 PM. As the day winds down, the index decreases steadily, settling at 1 by 6:00 PM and fading to 0 by 7:00 PM. This data highlights the importance of staying vigilant during peak hours to protect yourself from harmful 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	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	14	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 Muang Long

The UV Index exhibits significant seasonal variation, peaking during the summer months of May through September where it reaches an extreme level of 14, resulting in a burn time of just 10 minutes. March and April also show high values of 13 and 12, respectively, categorized as extreme, with a similarly short burn time. High-risk months include March to October, where exposure is particularly dangerous; visitors and residents should take precautions during these months. Conversely, January, February, November, and December feature very high UV levels, but with a slightly longer burn time of 15 minutes. To ensure safety when outdoors, it is crucial to wear protective clothing, apply sunscreen regularly, and seek shade during peak sunlight hours, especially from 10 AM to 4 PM when UV radiation is the strongest.

Monthly Maximum UV Index for Muang Long, Laos

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

The table above highlights how UV exposure in Muang Long 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.

Muang Long'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
Muang Long	9	10	13	12	14	14	14	14	14	12	10	8
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
Pakse UVI	10	13	14	15	14	13	15	14	14	12	10	9