UV Index in Sam Roi Yot, Thailand

Last updated: July 2, 2025

Understanding the UV Index in Sam Roi Yot, Thailand, is crucial for maintaining your skin's health and preventing sunburn, especially in this tropical climate where UV exposure can reach extreme levels. With peak UV Index readings soaring up to 14 around midday, awareness of these levels is vital for both locals and visitors alike. By checking the UV Index regularly, you can take protective measures, ensuring that your outdoor activities remain enjoyable while safeguarding your skin from harmful rays. As Sam Roi Yot's sun-filled days bring beauty and warmth, being informed about UV intensity will help you embrace its splendor without compromising your health.

Hourly UV Index in Sam Roi Yot

The UV Index chart reveals a dynamic day of sun exposure, starting from a low of 1 at 07:00, where early risers enjoy gentle rays. As the day progresses, the intensity increases sharply, peaking at a striking 14 between 12:00 and 13:00, marking the time for the highest risk of harm from unprotected sun exposure. By 11:00, the index hits 12, indicating serious sunburn risk for those outdoors. The afternoon sees a gradual decline, with values dropping to 8 by 15:00 and continuing down to 0 by 19:00, signaling a safe retreat from the sun’s rays. For those venturing out, sunscreen is highly recommended during 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	1	low	45 min
08:00	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sam Roi Yot

The UV Index throughout the year exhibits consistently high levels, with extreme exposure categories from January to October, peaking in March and May at a UV Index of 15. These months, along with February and April, represent a significant risk for sun damage, indicating that residents and visitors should take precautions during these periods. High-risk months include March through May, with equally concerning readings from June to September. It is crucial for everyone to minimize sun exposure during peak hours, wear protective clothing, and apply broad-spectrum sunscreen with a high SPF, as the burn time remains dangerously low at 10 minutes for most of the year, except for December, which has a slightly extended burn time of 15 minutes but still maintains a very high risk level.

Monthly Maximum UV Index for Sam Roi Yot, Thailand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sam Roi Yot. 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 Sam Roi Yot, 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 Sam Roi Yot UV Index with Other Thailand Cities

The table above highlights how UV exposure in Sam Roi Yot compares to other major locations across Thailand. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Sam Roi Yot's solar exposure compared to other cities in Thailand. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mueang Nonthaburi UVI	10	12	14	13	14	13	14	14	13	12	9	8
Samut Prakan UVI	10	12	14	13	14	13	14	14	13	12	9	8
Bangkok UVI	10	12	14	13	14	13	14	14	13	12	9	8
Udon Thani UVI	9	11	13	14	14	13	14	14	14	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9
Sam Roi Yot	11	13	15	14	15	14	14	14	14	13	11	10