UV Index in Nga Bay, Vietnam

Last updated: July 2, 2025

In Nga Bay, Vietnam, understanding the UV Index is crucial for protecting your skin and overall health. With peak UV levels soaring to a severe 13 around midday, awareness of these ratings helps you prevent sunburn and long-term skin damage. This tropical climate, characterized by high humidity and abundant sunshine, presents unique exposure risks, particularly during the hottest hours. Familiarizing yourself with the UV Index not only ensures a safer outdoor experience but also aids in making informed decisions about sun protection measures, keeping your skin healthy and safeguarded against the sun's harsh rays.

Hourly UV Index in Nga Bay

The UV Index shows a dramatic rise throughout the morning, starting at a mild 1 at 7:00 AM. As the sun climbs higher, it peaks at an intense 13 from 11:00 AM to 12:00 PM, signaling a high level of UV radiation that necessitates protective measures. The intensity gradually tapers off in the afternoon, dipping to 9 at 2:00 PM, before continuing its decline to 6 by 3:00 PM. By 4:00 PM, the UV Index drops to 3, and as twilight approaches, it settles back down to a safe 0 by 7:00 PM. This data emphasizes the importance of sun safety, particularly during the midday hours when UV exposure 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	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 Nga Bay

Throughout the year, UV Index values reveal consistent extreme exposure risks, particularly pronounced from February to October. The highest UV Index occurs in March, reaching 16, followed closely by April and August at 14. Consequently, the months of February, March, April, and August are particularly high-risk for skin damage, with the burn time remaining a mere 10 minutes across all months. It is essential for both visitors and residents to take precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure, especially during peak hours. Staying vigilant about UV levels can help mitigate the risk of harmful effects associated with prolonged sun exposure.

Monthly Maximum UV Index for Nga Bay, Vietnam

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

The table above highlights how UV exposure in Nga Bay 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.

Nga Bay'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
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
Nga Bay	11	14	16	14	14	13	13	14	14	13	11	11