UV Index in Muong Lay, Vietnam

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Muong Lay, Vietnam, where the tropical Cwa climate brings intense sunlight throughout much of the year. Knowing the daily UV levels helps in taking necessary precautions to prevent sunburn and maintain skin health, particularly when midday levels can soar as high as 14. With the sun’s rays peaking around 12 PM, when UV exposure risks are at their highest, being informed allows you to enjoy the beautiful outdoors while protecting yourself from potential harm. Stay vigilant, and let this guide help you navigate the sun safely in this picturesque locale!

Hourly UV Index in Muong Lay

The UV Index today showcases a striking rise in intensity as the morning unfolds. It starts off at a gentle 2 at 7:00 AM, gradually building to a moderate 4 by 8:00 AM. The sun climbs higher, peaking at an impressive 14 between 12:00 PM and 1:00 PM, where precautions are essential. As the afternoon progresses, the index decreases steadily, descending to 10 at 2:00 PM and tapering off to a 2 by 5:00 PM. After sunset, the UV Index drops to a 0 by 7:00 PM, marking the end of a day where sun safety should have been a priority in the midday 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	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	10	very high	15 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 Muong Lay

The UV Index experiences significant seasonal changes, peaking during the warmer months. From January to March, the Index ranges between 8 and 13, with very high to extreme levels indicating a burn time as low as 10 minutes in March. The months of April through September represent the highest risk, with an extreme UV Index peaking at 15 in July and maintaining an Index of 14 during August and September—all demanding careful sun protection due to a burn time of just 10 minutes. October sees a slight drop to an Index of 12, still requiring vigilance. The risk tapers off in November with an Index of 9, and further drops to 7 in December, where the burn time extends to 25 minutes. Visitors and residents are advised to take precautions, especially during high-risk months from March to October, by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours.

Monthly Maximum UV Index for Muong Lay, Vietnam

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

The table above highlights how UV exposure in Muong Lay compares to other major locations across Vietnam. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Muong Lay's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hanoi UVI	8	10	12	12	13	12	12	13	13	11	9	7
Haiphong UVI	8	10	12	13	12	13	13	13	13	11	9	7
Muong Lay	8	10	13	12	14	14	15	14	14	12	9	7
Da Nang UVI	10	12	14	15	14	13	14	14	13	12	10	9
Ho Chi Minh City UVI	10	13	15	14	14	12	13	14	13	13	11	10
Bien Hoa UVI	10	14	15	15	14	13	14	14	13	12	11	10