UV Index in Bangkok Yai, Thailand

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Bangkok Yai, Thailand, where the tropical climate can lead to heightened sun exposure. With UV levels peaking daily—reaching a staggering 14 around noon—awareness is key to preventing sunburn and protecting skin health. As the sun's intensity fluctuates sharply throughout the day, especially between 10:00 AM and 1:00 PM, understanding these risks can help you enjoy the outdoors safely. By staying informed about the UV Index, you can effectively shield yourself from harmful rays and maintain healthier skin in this vibrant, sun-drenched neighborhood.

Hourly UV Index in Bangkok Yai

As the sun rises, the UV Index begins its gradual ascent, starting at a mild 1 at 7:00 AM. By 8:00 AM, it reaches 3, encouraging early risers to don some sunscreen. The intensity climbs sharply, peaking at an intense 14 by 12:00 PM, and staying robust at 13 until 1:00 PM. After this midday high, the index steadily declines, dropping to 7 by 3:00 PM, and to a gentle 1 by 5:00 PM. As the day winds down, the UV Index returns to its lowest point of 0 by 7:00 PM, marking a clear reminder of the sun's powerful rays and the importance of protection 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	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Bangkok Yai

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 Bangkok Yai, Thailand

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

The table above highlights how UV exposure in Bangkok Yai 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.

Bangkok Yai'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
Bangkok Yai	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