UV Index in Son Ha, Vietnam

Last updated: June 2, 2025

In Son Ha, Vietnam, being aware of the UV Index is essential for protecting your skin and overall health, especially given the region’s tropical climate. Understanding UV levels can help prevent sunburn, skin damage, and long-term health issues related to UV exposure. With UV Index values peaking at a striking 13 around midday, it's crucial for residents and visitors alike to stay informed about sun safety. As the sun's rays intensify during the late morning and afternoon, taking precautions is vital to enjoying the beautiful outdoors without compromising your skin health.

Hourly UV Index in Son Ha

As the day unfolds, the UV Index climbs steadily, starting at a gentle 2 at 7:00 AM and reaching its peak of 13 between 11:00 AM and 12:00 PM. This midday sun calls for extra caution, as the intensity can lead to skin damage without protection. After this height, the index begins its gradual decline, dropping to 9 by 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, as shadows lengthen, the UV Index decreases to 1 by 5:00 PM and eventually settles at 0 after 7:00 PM. Enjoy your day, but don’t forget to shield yourself 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	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Son Ha

The UV Index demonstrates a notable trend of extreme levels throughout much of the year, particularly from January to October, with extreme exposure categories consistently recorded at 11 to 15. The highest risk months are March through September, where the UV Index peaks at 15 in March and April, indicating an urgent need for protection against harmful UV rays. Residents and visitors are strongly advised to take precautionary measures such as wearing sunscreen, protective clothing, and sunglasses during these high-risk months, as burn time is alarmingly low at just 10 minutes across these peak months. In December, the UV Index decreases to 9, classified as very high with a slightly extended burn time of 15 minutes, yet vigilance remains essential year-round to protect skin health.

Monthly Maximum UV Index for Son Ha, Vietnam

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

The table above highlights how UV exposure in Son Ha 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.

Son Ha'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
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
Son Ha	11	12	15	15	14	13	14	14	14	12	11	9