UV Index in Pathum Wan, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Pathum Wan, Thailand, where the tropical climate elevates sun exposure throughout the year. As the sun reaches its peak intensity, typically between 10 AM and 2 PM, UV levels can soar to dangerously high rates, peaking at 14—a level that significantly increases the risk of sunburn and long-term skin damage. By being informed about the UV Index, you can take proactive measures to protect your skin, ensuring you enjoy the beautiful, sunny days in Pathum Wan while safeguarding your health. Stay vigilant and plan outdoor activities wisely to minimize exposure during those critical hours!

Hourly UV Index in Pathum Wan

As the sun rises, the UV Index begins its ascent, starting from a gentle 1 at 07:00. By 08:00, it climbs to 3, signaling the need for increased sun protection. The intensity peaks dramatically at 12:00 with a scorching 14, marking the most hazardous sun exposure period of the day. Just before noon, at 11:00, the UV Index hits 12, a warning to stay in the shade. By 14:00, it begins its descent, dropping to 11 and continuing down to a mild 4 by 16:00. The evening brings relief as the index falls to 0 by 19:00, allowing for a safe outdoor experience as the sun sets. Stay aware and protect your skin during those peak hours to enjoy your day 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	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	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 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 Pathum Wan

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 Pathum Wan, Thailand

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

The table above highlights how UV exposure in Pathum Wan 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.

Pathum Wan'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
Pathum Wan	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
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