UV Index in Sainyabuli, Laos

Last updated: June 2, 2025

In Sainyabuli, Laos, awareness of the UV Index is crucial for maintaining skin health and preventing harmful sunburns. With maximum UV levels soaring to 14 during the peak hours of noon, residents and visitors alike must be vigilant in understanding the sun's intensity. The tropical climate contributes to higher UV exposure risks, especially during the dry season. Being informed about the daily UV Index not only helps you take precautions but also allows you to enjoy the vibrant beauty of Sainyabuli while safeguarding your skin from long-term damage.

Hourly UV Index in Sainyabuli

The UV Index today offers a clear picture of solar intensity as the day unfolds. Starting with a calm 1 at 7:00 AM, the sun's rays begin to strengthen, reaching 3 by 8:00 AM. The peak intensity hits at 12:00 PM, soaring to an impressive 14, indicating a strong need for sun protection. As the afternoon progresses, it gradually decreases, dropping to 4 by 4:00 PM and winding down to 1 by 6:00 PM. By 7:00 PM, the UV Index retreats to 0, showcasing the significant daily variation in UV exposure. It's essential to stay alert during those peak hours, especially between 10:00 AM and 1:00 PM, when UV radiation poses the greatest risk!

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	13	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 Sainyabuli

The UV Index demonstrates significant seasonal variation, with extreme levels persisting from February through October. The highest UV Index occurs in July and August at 15, marking these as the highest risk months for sun exposure, with a burn time of just 10 minutes. Residents and visitors are strongly advised to take protective measures during these peak months, including wearing broad-spectrum sunscreen, protective clothing, and sunglasses, as well as seeking shade during midday hours. January, November, and December see lower UV levels, categorized as very high, with slightly longer burn times of 15 minutes. Overall, maintaining vigilance against UV exposure year-round is essential for skin health.

Monthly Maximum UV Index for Sainyabuli, Laos

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

The table above highlights how UV exposure in Sainyabuli 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.

Sainyabuli'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
Sainyabuli	9	11	13	13	14	14	15	15	14	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