UV Index in Surat Thani, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Surat Thani, Thailand, where the sun shines brightly throughout the year. With peak UV levels reaching a staggering 14 around noon, being aware of UV exposure risks can help safeguard your skin from harmful effects such as sunburn and long-term health issues. This tropical region, characterized by its humid and warm climate, presents unique challenges, making it essential to monitor daily UV levels. By staying informed, you can enjoy the beautiful Thai outdoors while prioritizing your skin safety.

Hourly UV Index in Surat Thani

At dawn, as the sun rises at 07:00, the UV Index is a modest 1, perfect for a leisurely morning stroll. By 08:00, it creeps up to 2, maintaining a gentle warmth. The real sunbathing begins around 09:00 with a notable jump to 5. However, it’s from 10:00 to 12:00 that the sun truly takes center stage, reaching its peak at a sizzling 14 at noon. As the afternoon unfolds, the intensity slightly wanes, dropping to 11 by 14:00 and winding down to 4 by 16:00. As the sun dips lower, the UV Index falls to 2 at 17:00 and finally retreats to 0 by 19:00, signaling the end of the day. Be sun-smart and enjoy the sunshine safely!

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	2	low	45 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	13	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 Surat Thani

Throughout the year, the UV Index remains consistently high, with extreme exposure levels recorded every month. The months of February to April show the highest UV readings, peaking at 15, indicating significant risks for skin damage with an extremely short burn time of just 10 minutes. Additionally, January and December display slightly lower, yet still extreme levels at 11. Visitors and residents are strongly advised to take precautions during all months, particularly from February to April, when UV levels are at their most intense. Sunscreen application, wearing protective clothing, and seeking shade during peak sun hours are essential to safeguard against harmful UV exposure.

Monthly Maximum UV Index for Surat Thani, Thailand

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

The table above highlights how UV exposure in Surat Thani 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.

Surat Thani'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
Surat Thani	11	13	15	15	14	13	13	14	14	14	12	11