UV Index in Dong Hoi, Vietnam

Last updated: June 2, 2025

Understanding the UV Index in Dong Hoi, Vietnam, is essential for protecting your skin and overall health, especially in this tropical climate where the sun's rays can be intense. With UV levels peaking between 11 AM and 1 PM, reaching a maximum of 13, it's crucial to be aware of these radiation levels to prevent sunburn and long-term skin damage. Whether you're exploring the stunning beaches or enjoying outdoor activities, knowing the UV Index helps you plan your day wisely and take necessary precautions, keeping your skin safe while you enjoying the vibrant beauty of Dong Hoi.

Hourly UV Index in Dong Hoi

The UV Index throughout the day showcases a striking pattern of intensity, peaking sharply around 11:00 AM and 12:00 PM with a robust 13, signaling a high risk for sun exposure during these hours. Early morning starts gently at 2 at 7:00 AM, then steadily climbs, passing through moderate levels at 8:00 AM and 9:00 AM, before reaching a critical point with a 10 at 10:00 AM. Post-noon, the index gradually declines, dropping to 6 by 3:00 PM and further to a much safer 1 by the evening at 5:00 PM and 6:00 PM, where it ultimately settles at 0 by nightfall. To enjoy the sun while protecting your skin, plan outdoor activities early or enjoy them after the peak hours!

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	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 Dong Hoi

The UV Index experiences significant fluctuations throughout the year, peaking during the spring and summer months. From February to October, the index remains in the extreme category with values consistently ranging from 11 to 14, indicating an urgent need for sun protection. Specifically, the highest risk months are March, April, July, and August where the UV Index reaches 14, and the burn time is as little as 10 minutes. Conversely, during the winter months, notably January and February, while still dangerous, the UV Index sees a slight decrease to 9 and 11 respectively. Residents and visitors are advised to take precautionary measures such as wearing sunscreen, protective clothing, and seeking shade, especially during peak hours, to minimize the risk of skin damage year-round.

Monthly Maximum UV Index for Dong Hoi, Vietnam

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

The table above highlights how UV exposure in Dong Hoi 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.

Dong Hoi'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
Dong Hoi	9	11	13	14	14	13	14	14	13	12	10	8
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