UV Index in Thanh Hoa, Vietnam

Last updated: July 2, 2025

In Thanh Hoa, Vietnam, being mindful of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels is essential not only for preventing painful sunburns but also for maintaining long-term skin health, especially in a region where the sun’s intensity can soar. With a tropical climate that often brings clear skies and high UV exposure, residents and visitors alike should be vigilant, particularly between 10 AM and 2 PM when the UV Index peaks at 13. By staying informed about UV levels, you can enjoy the beautiful outdoors while safeguarding your skin's health.

Hourly UV Index in Thanh Hoa

The UV Index for the day demonstrates a significant rise and fall in intensity, peaking sharply at 11:00 AM and 12:00 PM with a staggering 13. Early in the morning, from 7:00 AM to 8:00 AM, the index starts low at 1, gradually increasing to 3 by 8:00 AM. As the sun climbs higher, a rapid escalation occurs, reaching 10 by 10:00 AM and hitting its maximum at noon. After this peak, the index begins to decline, dropping steadily to 9 at 2:00 PM, and later retreating to 1 by 5:00 PM. By 7:00 PM, the UV Index has faded to 0, reminding us of the crucial midday hours to protect our skin from 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	1	low	45 min
08:00	3	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 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	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 Thanh Hoa

The UV Index shows significant seasonal changes, with the highest values occurring from February to October, when it consistently registers in the extreme category (UV Index 11-15) and a burn time of just 10 minutes. Notably, March reaches the peak with a UV Index of 15, marking it as one of the highest-risk months, along with February and April. Even during January and December, the UV Index remains very high (10), indicating a need for caution. Visitors and residents are strongly advised to take protective measures year-round, including wearing sunscreen, sunglasses, and protective clothing, especially during the high-risk months when exposure can lead to sunburn in just a few minutes.

Monthly Maximum UV Index for Thanh Hoa, Vietnam

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

The table above highlights how UV exposure in Thanh Hoa 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.

Thanh Hoa'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
Thanh Hoa	10	13	15	14	13	13	13	13	13	12	11	10
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