UV Index in Hoan Lao, Vietnam

Last updated: August 1, 2025

In Hoan Lao, Vietnam, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. As a region characterized by an Am climate, residents and visitors often face significant UV exposure, particularly during the sun's peak hours. Understanding the UV levels, which can soar to a staggering 14 around noon, empowers individuals to take better precautions against harmful radiation. By staying informed about the daily UV Index, you can protect your skin and enjoy the sunny Vietnamese outdoors safely.

Hourly UV Index in Hoan Lao

The UV Index today showcases a dramatic rise in solar intensity, starting with a moderate level of 2 at 7:00 AM. As the sun climbs higher in the sky, the intensity peaks at a staggering 14 by noon, marking the most hazardous time for sun exposure. It reaches a maximum of 13 at 1:00 PM, emphasizing the need for protective measures like sunscreen and hats. The afternoon sees a swift decline, dropping to 10 by 2:00 PM and further down to 6 at 3:00 PM. As evening approaches, the UV Index dips to 1 by 5:00 PM, offering some relief, before finally settling at 0 after 7:00 PM. For those planning their day, early morning and late evening provide a safer window for outdoor activities, while midday requires caution to avoid overexposure.

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	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	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 Hoan Lao

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 Hoan Lao, Vietnam

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

The table above highlights how UV exposure in Hoan Lao 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.

Hoan Lao'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
Hoan Lao	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