UV Index in Sanaxy, Laos

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Sanaxy, Laos, where sunlight exposure can be intense throughout the year. Awareness of UV levels helps in preventing sunburn and protecting skin health, making it essential to stay informed. In Sanaxy's tropical climate, the UV Index can peak at a staggering 14 during midday hours, signaling extreme risk of harm from unprotected sun exposure. As you plan your day in this beautiful region, keeping an eye on the UV Index will empower you to enjoy the outdoors safely and effectively!

Hourly UV Index in Sanaxy

As the sun rises, the UV Index begins its ascent, starting at a mild 2 by 7:00 AM. By 8:00 AM, it ramps up to 4, signaling the need for light sun protection. The real intensity kicks in around 9:00 AM, peaking at a robust 11 between 10:00 AM and 12:00 PM, when it reaches its highest point of 14. During these hours, it’s essential to find shade and apply sunscreen to shield yourself from harmful rays. As the afternoon progresses, the UV Index gradually declines, dropping to 12 at 1:00 PM before easing to 6 by 3:00 PM, and finally dipping to a low of 1 by 5:00 PM, signaling a retreat from the sun as daylight fades. This data emphasizes the importance of midday sun safety, ensuring maximum protection during the peak 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	2	low	45 min
08:00	4	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	6	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 Sanaxy

Throughout the year, UV Index values remain consistently high, indicating extreme exposure levels from January through April, with peaks of 15 in March, April, May, July, and August. Notably, the months of February and March also feature elevated UV levels, reaching 13 and 15, respectively. Summer months—especially July and August—prove to be high-risk periods for UV exposure, maintaining a level of 15 and emphasizing the need for caution. Even during the fall months, UV levels remain significant, with October and September showcasing 13 and 14 respectively. Residents and visitors should take precautions during these months: wear sunscreen, protective clothing, and limit sun exposure, particularly during peak hours, to avoid harmful effects from UV rays.

Monthly Maximum UV Index for Sanaxy, Laos

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

The table above highlights how UV exposure in Sanaxy 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.

Sanaxy'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
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
Sanaxy	11	13	15	15	15	14	15	15	14	13	11	10