UV Index in Sa Rai, Vietnam

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sa Rai, Vietnam, where the sun's intensity can pose significant risks to skin health. With UV levels peaking at 13 during midday, awareness of these indices is vital for preventing sunburn and long-term skin damage. Sa Rai’s tropical climate means that even short exposures during high UV times can lead to harmful consequences. By remaining informed about daily UV levels, you can take proactive steps to protect your skin and enjoy the beautiful outdoors safely.

Hourly UV Index in Sa Rai

The UV Index today tells a compelling story of sun intensity, peaking dramatically as the day unfolds. Starting at a mild 1 at 7:00 AM, it quickly escalates to a notable 4 by 8:00 AM. As we reach 9:00 AM, the index surges to 7, but the real intensity hits between **10:00 AM and 12:00 PM, with a maximum of 13 at noon. This period poses the highest risk, with levels remaining above 10 until 1:00 PM, when it dips slightly to 11. Gradually, the sun's grip weakens, and by 3:00 PM, the index drops to 5, followed by a further decline to 3 by 4:00 PM. As daylight dwindles, so does the UV threat, settling back to 1 by 5:00 PM and eventually fading to 0 by 7:00 PM. For outdoor enthusiasts, midday precautions are critical, while the evening brings relief from harmful rays.

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	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	5	moderate	30 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 Sa Rai

Throughout the year, the UV Index experiences significant fluctuations, peaking during the late winter and spring months. Notably, from February to April, the UV Index reaches its highest levels, with values of 14 to 15 classified as extreme, indicating a burn time of just 10 minutes. The risks remain high throughout much of the summer, with a steady UV Index of 13 from May to July. Although the index drops slightly in October to December, it remains at least 11, which is still considered extreme. Therefore, high-risk months are primarily from February to April and the summer months from May to August. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and hats, especially during peak hours between 10 a.m. and 4 p.m., to minimize the harmful effects of UV radiation.

Monthly Maximum UV Index for Sa Rai, Vietnam

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

The table above highlights how UV exposure in Sa Rai 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.

Sa Rai'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
Sa Rai	10	14	15	15	13	13	13	14	14	13	11	11
Bien Hoa UVI	10	14	15	15	14	13	14	14	13	12	11	10