UV Index in Samut Prakan, Thailand

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Samut Prakan, Thailand, where the combination of tropical climate and high sun exposure can pose significant risks to skin health. With UV levels peaking between 11:00 AM and 1:00 PM—often reaching dangerous heights of 12 to 13—being aware of these fluctuations is vital for preventing sunburn and long-term skin damage. Samut Prakan's warm climate frequently subjects its residents to intense sunlight, making it essential to monitor UV levels daily to enjoy outdoor activities safely while protecting your skin. Stay informed, stay safe!

Hourly UV Index in Samut Prakan

The UV Index showcases a dynamic increase throughout the day, peaking at 13 around 12:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching 6 by 9:00 AM. The intensity becomes palpable by 11:00 AM with a sharp rise to 12, before hitting its zenith at 13 at noon, prompting caution for outdoor activities. As the afternoon unfolds, the levels begin to decline, dipping to 10 by 2:00 PM and gradually falling to 0 by 7:00 PM, signaling safer conditions for evening strolls. It’s essential to stay protected during the midday hours when the sun's rays are most intense!

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	9	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	7	high	25 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 Samut Prakan

Throughout the year, UV index levels exhibit significant seasonal variations, with the highest readings occurring from February to October, where values reach a peak of 14 during the months of March, May, July, and August. These months are classified as high-risk for sun exposure, with an extreme exposure category and a minimal burn time of just 10 minutes. Visitors and residents should exercise caution during this period, wearing protective clothing, applying sunscreen frequently, and seeking shade to mitigate the risks associated with excessive sun exposure. Notably, from November to January, UV levels decrease, but remain at a very high category; thus, vigilance is still advised, especially during the winter sun.

Monthly Maximum UV Index for Samut Prakan, Thailand

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

The table above highlights how UV exposure in Samut Prakan 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.

Samut Prakan'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
Samut Prakan	10	12	14	13	14	13	14	14	13	12	9	8
Mueang Nonthaburi 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