UV Index in Sainyabuli, Laos

Last updated: August 1, 2025

Understanding the UV Index in Sainyabuli, Laos, is crucial for protecting your skin from the harmful effects of ultraviolet radiation. With peak UV levels reaching a staggering 15 at midday, awareness of these fluctuations is essential for preventing sunburn and maintaining overall skin health. Sainyabuli's tropical climate means that UV exposure risks can be significantly heightened, particularly during the dry season when the sun is most intense. By staying informed about the daily UV Index, you can take proactive measures to enjoy the outdoors safely while safeguarding your skin from potential damage.

Hourly UV Index in Sainyabuli

The UV Index throughout the day showcases a vibrant dance of sunlight intensity. Starting at a gentle 1 at 07:00, the rays begin to strengthen, peaking dramatically at 12:00 with a scorching 15. This midday sun reigns supreme, particularly at 11:00, where it reaches an impressive 13. As the afternoon unfolds, the intensity wanes, dropping to 8 by 15:00 and further descending to 4 by 16:00. As twilight approaches, the UV levels taper off, settling at 1 by 18:00 and finally retreating to 0 as night falls at 19:00. Remember to protect your skin during peak hours to enjoy the day safely!

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	15	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 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