UV Index in Thach Ha, Vietnam

Last updated: July 2, 2025

Understanding the UV Index in Thach Ha, Vietnam is crucial for safeguarding your skin against harmful ultraviolet radiation. With peak UV levels reaching a staggering 14 around midday, awareness of UV exposure can mean the difference between a fun-filled day in the sun and painful sunburns that harm your skin health. The tropical climate of Thach Ha not only brings warm temperatures but also elevates the risk of UV exposure, especially during the sunniest hours. Stay informed and protect yourself by regularly checking the UV Index—you'll enjoy the outdoors while keeping skin damage at bay.

Hourly UV Index in Thach Ha

The UV Index today showcases a dramatic rise in solar intensity, starting with a moderate level of 2 at 7:00 AM. As the sun climbs higher in the sky, the intensity peaks at a staggering 14 by noon, marking the most hazardous time for sun exposure. It reaches a maximum of 13 at 1:00 PM, emphasizing the need for protective measures like sunscreen and hats. The afternoon sees a swift decline, dropping to 10 by 2:00 PM and further down to 6 at 3:00 PM. As evening approaches, the UV Index dips to 1 by 5:00 PM, offering some relief, before finally settling at 0 after 7:00 PM. For those planning their day, early morning and late evening provide a safer window for outdoor activities, while midday requires caution to avoid overexposure.

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	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 Thach Ha

The UV Index experiences significant seasonal variation, peaking in the warmer months of March through October, where it reaches extreme levels, particularly from May to September with an index consistently at 14. February through April also present high risk, with indices of 11 to 13. During these high-risk months, the recommended burn time is only 10 minutes. Conversely, December and January see a drop in risk, with very high exposure categories, allowing for slightly longer burn times of 15 minutes. It is crucial for both visitors and residents to exercise caution during peak UV months by wearing sunscreen, protective clothing, and limiting sun exposure, especially between 10 a.m. and 4 p.m. to reduce the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Thach Ha, Vietnam

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

The table above highlights how UV exposure in Thach 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.

Thach 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
Thach Ha	9	11	13	13	14	13	14	14	14	12	9	8
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