UV Index in Thua, Vietnam

Last updated: July 2, 2025

Understanding the UV Index in Thua, Vietnam is crucial for maintaining your skin health and preventing sunburn, especially in a region characterized by its tropical climate and high sun exposure. With UV levels reaching a peak of 13 around noon, awareness of these fluctuations can help you take necessary precautions during the day. Regularly monitoring the UV Index not only protects against immediate sunburn but also contributes to long-term skin health, making it essential for both residents and visitors alike. In Thua, where summer sun can be intense, knowing when to seek shade or apply sunscreen is vital for enjoying the beautiful outdoors without risking your skin.

Hourly UV Index in Thua

As dawn breaks, the UV Index begins its journey, starting at a modest 2 at 7:00 AM. By 8:00 AM, it steadily climbs to 4, signaling the approach of stronger rays. The sun reaches its peak intensity at noon, soaring to a remarkable 13. From 11:00 AM to 1:00 PM, the index remains alarmingly high, maxing out at 12 and then gradually declining in the afternoon. By 3:00 PM, it drops to 6 and continues to wane, arriving at a gentle 1 by 5:00 PM. As the day winds down, the UV Index falls to zero by 7:00 PM, presenting a safe reprieve from the sun's rays. Remember to protect your skin during those peak hours when the sun's strength is at its highest!

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	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	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 Thua

The UV Index experiences significant seasonal fluctuations, peaking during the late summer months, particularly from April to October, where it remains consistently in the extreme category, with a maximum of 13. The highest risk months are March through October, when the burn time is reduced to just 10 minutes, making sun protection essential during these periods. Visitors and residents should take precautions, such as wearing broad-spectrum sunscreen, protective clothing, and sunglasses, especially during the hours of 10 a.m. to 4 p.m. When the UV Index is highest, consider seeking shade or limiting sun exposure to reduce the risk of skin damage. In contrast, the months of December and January present a lower risk with a burn time of 25 minutes and a high to very high exposure category, yet caution should still be exercised.

Monthly Maximum UV Index for Thua, Vietnam

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

The table above highlights how UV exposure in Thua 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.

Thua'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
Thua	8	10	12	13	13	12	13	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