UV Index in Bong Son, Vietnam

Last updated: June 2, 2025

In Bong Son, Vietnam, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With a tropical climate that often exposes residents and visitors to high levels of ultraviolet radiation, understanding UV levels can significantly reduce the risks associated with prolonged sun exposure. During peak hours, particularly from 10 AM to 1 PM, UV Index readings soar to dangerous levels, necessitating protective measures to safeguard your skin. Whether you’re enjoying a day at the beach or exploring the local scenery, staying informed about the UV Index is essential for a safe and enjoyable experience in this sun-soaked region.

Hourly UV Index in Bong Son

The UV Index throughout the day exhibits a pronounced peak during midday hours, with 11 at 10:00 AM and a high of 13 from 11:00 AM to 12:00 PM. This indicates a critical period for sun exposure, where protective measures are highly recommended. As the afternoon progresses, the intensity begins to wane, dropping to 5 by 3:00 PM and further decreasing to 1 by 5:00 PM. By evening, the index falls to a safe 0 at 7:00 PM, marking the end of the day's UV threat. Be mindful of the strong sunlight around noon and plan your outdoor activities accordingly to safeguard your skin!

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	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Bong Son

The UV Index shows significant seasonal changes, with extreme exposure risks persisting from January through October. Notably, the months of March, April, May, July, and August maintain a high UV Index of 15, representing a period of particularly intense sun exposure. Visitors and residents should exercise caution during these high-risk months; with an average burn time of just 10 minutes, it is crucial to take protective measures such as wearing sunscreen, hats, and UV-protective clothing. In contrast, the UV Index decreases slightly in November and December, but even then, precautions are advised as the index remains at a very high level in December. Staying vigilant about sun protection will help ensure safety throughout the year.

Monthly Maximum UV Index for Bong Son, Vietnam

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

The table above highlights how UV exposure in Bong Son 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.

Bong Son'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
Bong Son	11	13	15	15	15	13	15	15	14	13	11	9