UV Index in Cao Bang, Vietnam

Last updated: June 2, 2025

In Cao Bang, Vietnam, being aware of the UV Index is crucial for protecting your skin from harmful solar radiation. Understanding UV levels plays a vital role in preventing sunburn and maintaining long-term skin health, particularly in a region characterized by its Cwa climate, which offers high levels of sunlight throughout the year. With peak UV readings reaching an alarming 13 at noon, it's essential for residents and visitors alike to take precautions during daily activities to mitigate the risks of overexposure. By staying informed about the UV Index, you can enhance your outdoor experiences while safeguarding your health.

Hourly UV Index in Cao Bang

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 Cao Bang

The UV Index experiences significant fluctuations throughout the year, with the highest levels occurring from March to October. During this period, particularly May to August, the UV Index reaches extremes, peaking at 14 in July and August, where the recommended maximum exposure time is just 10 minutes. Conversely, the low-risk months include December and January, but even these months exhibit a very high UV Index of 8 and 10, necessitating caution. Visitors and residents are advised to practice sun safety by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade, especially during peak hours from 10 a.m. to 4 p.m. Given the elevated risk in the summer months, vigilance in sun protection is essential to prevent skin damage.

Monthly Maximum UV Index for Cao Bang, Vietnam

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

The table above highlights how UV exposure in Cao Bang 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.

Cao Bang'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
Cao Bang	8	10	12	12	13	13	14	14	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