UV Index in Ha Giang, Vietnam

Last updated: July 2, 2025

Understanding the UV Index is essential for residents and visitors in Ha Giang, Vietnam, a region characterized by its stunning landscapes and diverse climate. By monitoring UV levels, you can effectively prevent sunburn and protect your skin health, which is crucial in a location where the Cwa climate often exposes individuals to varying levels of harmful UV radiation. With maximum UV Index values soaring to 14 around midday, awareness of these levels helps ensure safe outdoor experiences and promotes overall well-being in this beautiful mountainous area. Stay informed and enjoy the wonders of Ha Giang while keeping your skin safe!

Hourly UV Index in Ha Giang

As the sun rises, the UV Index begins its climb, peaking dramatically at 14 around noon. Starting from a mild 2 at 07:00, the intensity escalates quickly, reaching a tipping point of 11 by 10:00 and hitting its zenith at 12:00. During the midday hours, when the UV exposure is most potent, it's essential to take precautions. As afternoon approaches, the index gradually subsides—dropping to 7 at 15:00 and further to 2 by 17:00. After sunset, UV levels wane to 0, signaling a safe return for outdoor activities as the sun sinks below the horizon. Make sure to protect your skin and enjoy the sunny 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 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 Ha Giang

The UV Index demonstrates significant seasonal fluctuations, with the highest levels observed from March to October, where the index peaks at 14 during the summer months of May through August. During these high-risk months, particularly from March to September when the UV exposure is categorized as extreme, burn times drop to just 10 minutes. In contrast, the UV Index decreases to 10 in February and 9 in November, still warranting caution, while in December, it further lowers to 7, marking a high risk with a burn time of 25 minutes. Visitors and residents should take essential precautions during the high UV months, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV exposure is most intense.

Monthly Maximum UV Index for Ha Giang, Vietnam

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

The table above highlights how UV exposure in Ha Giang 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.

Ha Giang'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
Ha Giang	8	10	12	12	14	14	14	14	13	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