UV Index in Goi, Vietnam

Last updated: July 2, 2025

In Goi, Vietnam, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels helps you prevent sunburn and maintain long-term skin health, especially given the region's Cwa climate, characterized by hot summers and mild winters. With UV Index levels soaring as high as 13 during midday, residents and visitors alike should be vigilant about sun safety to minimize risks associated with prolonged sun exposure. Embrace sunny days while keeping your skin safe by monitoring the UV Index!

Hourly UV Index in Goi

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 Goi

The seasonal UV changes reveal significant variation, with the highest UV Index observed from March to October, peaking at 14 in August, which falls into the extreme exposure category. The high-risk months for sun exposure are March through October, where the recommended burn time is notably short, between 10 to 15 minutes. Residents and visitors should take precautionary measures, such as wearing protective clothing, using broad-spectrum sunscreen with a high SPF, and seeking shade during peak hours, especially in the extreme risk months. As the UV Index subsides in November and December, residents can enjoy the outdoors with slightly reduced risk but should remain vigilant to avoid potential sun damage.

Monthly Maximum UV Index for Goi, Vietnam

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

The table above highlights how UV exposure in Goi 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.

Goi'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
Goi	8	10	12	13	13	13	13	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