UV Index in Xam Nua, Laos

Last updated: July 2, 2025

In Xam Nua, Laos, being aware of the UV Index is essential for protecting your skin and maintaining long-term health. Understanding UV levels helps residents and visitors alike prevent sunburn and reduce the risk of skin damage. With a climate categorized as Cwa, Xam Nua experiences significant fluctuations in UV radiation throughout the day, peaking in the early afternoon when the UV Index can soar to a staggering 15. Being informed about these levels is crucial, especially for enjoying outdoor activities safely under the Laotian sun.

Hourly UV Index in Xam Nua

The UV Index throughout the day showcases a dramatic rise and fall in intensity. Starting at 07:00, the index is a modest 2, but by 09:00, it jumps to 7, indicating a sharp increase in sun exposure. The peak intensity occurs at 12:00, where the UV Index reaches a scorching 15, signaling a critical need for sun protection. As the afternoon rolls in, the numbers begin to decline, dipping to 11 by 14:00 and further down to 4 at 16:00. Finally, the index wanes into the evening, dropping to 1 at 18:00 and settling at 0 by 19:00, effectively marking the end of a sun-soaked day. Pay attention to these fluctuations to protect your skin from harmful UV rays!

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	14	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 Xam Nua

The UV Index exhibits significant seasonal variations, peaking from March to September, where it reaches extreme levels, particularly in May through September with an index consistently at 15. The highest risk months are February (11), March (13), April (13), and May (15), signaling an urgent need for protective measures. During these periods, residents and visitors should minimize sun exposure, especially during peak hours, as the burn time is alarmingly low—only 10 minutes in these extreme months. When outside, it is crucial to wear sunscreen, protective clothing, and hats, and seek shade whenever possible, especially during the high-risk summer months of June, July, and August. In contrast, January, November, and December show a very high exposure category, yet with a longer burn time of 15 minutes, indicating a moderate threat to skin health, though precautions should still be observed.

Monthly Maximum UV Index for Xam Nua, Laos

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

The table above highlights how UV exposure in Xam Nua 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.

Xam Nua'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
Xam Nua	9	11	13	13	15	14	15	15	15	12	10	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