UV Index in Nui Sap, Vietnam

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Nui Sap, Vietnam, where sun exposure can vary significantly throughout the day. The UV Index helps you gauge the intensity of ultraviolet radiation, enabling you to take necessary precautions against sunburn and long-term skin damage. With a tropical climate and peak UV levels reaching as high as 13 around midday, awareness of these levels is essential for maintaining skin health. Whether you're enjoying the outdoors or simply commuting, staying informed about the UV Index can protect you from the risks associated with intense sun exposure.

Hourly UV Index in Nui Sap

As the sun rises, the UV Index begins to climb, starting at a low 1 at 7:00 AM. By 9:00 AM, it reaches 6, signaling that it's time to pay attention to sun safety. The peak intensity arrives at 12:00 PM, with a high of 13, indicating potentially harmful radiation. This resplendent midday sun shines brightly until about 2:00 PM, when the index decreases to 10. As the afternoon progresses, the UVI drops to 6 by 3:00 PM, eventually tapering off to a mild 1 by 5:00 PM and lingering at 0 after 7:00 PM. Be sure to protect your skin during the hours of peak exposure!

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	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	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 Nui Sap

The UV Index experiences significant fluctuations throughout the year, with particularly high-risk months from February to September, where the index reaches levels categorized as extreme. The highest indices occur in March and April, both peaking at 15, resulting in a burn time of just 10 minutes, making sun protection imperative. Visitors and residents are advised to take extra precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours to prevent harmful skin effects. It’s crucial to remain vigilant, as even in January, the UV index shows very high levels, emphasizing the need for sun safety year-round.

Monthly Maximum UV Index for Nui Sap, Vietnam

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

The table above highlights how UV exposure in Nui Sap 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.

Nui Sap'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
Nui Sap	10	14	15	15	14	13	13	14	14	13	11	11