UV Index in Xamtay, Laos

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors in Xamtay, Laos. With the region's typical Cwa climate, characterized by hot summers and mild winters, awareness of ultraviolet (UV) radiation levels can help prevent sunburn and protect overall skin health. On sunny days, especially around midday when the UV Index can soar to a staggering 14, it's crucial to recognize the risks of prolonged sun exposure. By staying informed about UV levels, you can enjoy the beautiful scenery of Xamtay while ensuring your skin remains safe from harmful rays.

Hourly UV Index in Xamtay

As the sun rises, the UV Index steadily climbs, starting at a modest 2 by 7:00 AM. By 8:00 AM, it jumps to 4, signaling that it's time to apply some sunscreen. The intensity peaks at 14 around noon, making 11:00 AM and 12:00 PM crucial hours for sun protection. As the afternoon unfolds, the index gradually starts to decline: from 13 at 1:00 PM to 10 by 2:00 PM, before dipping down to 3 at 4:00 PM. As evening approaches, the UV exposure diminishes significantly, reaching 1 by 5:00 PM and tapering off to 0 by 7:00 PM. Stay safe and enjoy the sunshine, but remember to protect your skin 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Xamtay

The UV Index varies significantly across the year, with the highest risk months being March through October, where the index consistently reaches levels categorized as extreme. During this period, particularly from June to September, the UV Index peaks at 15, necessitating caution as the burn time is merely 10 minutes. January and November experience very high levels with indices of 9 and 10, respectively, resulting in burn times of 15 minutes. Residents and visitors are advised to take protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially during peak sunlight hours, to mitigate the risks of UV exposure throughout the year.

Monthly Maximum UV Index for Xamtay, Laos

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

The table above highlights how UV exposure in Xamtay 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.

Xamtay'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
Xamtay	9	11	13	14	14	14	15	15	15	12	10	8
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