UV Index in Khon Kaen, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Khon Kaen, Thailand, where the tropical climate can lead to significant sun exposure. With UV levels peaking around midday—reaching a staggering 15—being aware of these levels is essential for preventing sunburn and maintaining long-term skin health. In Khon Kaen's warm climate, the risks of UV radiation are particularly high, making it vital to check the UV Index regularly to protect yourself and enjoy the sunshine responsibly. Whether you’re planning outdoor activities or simply soaking up the sun, knowing the UV Index can help you make informed decisions for safer sun exposure.

Hourly UV Index in Khon Kaen

As the sun rises, the UV Index begins its gradual ascent, peaking at a striking 15 by noon, indicating a high risk of harm from unprotected sun exposure. From 07:00 with a minimal reading of 1 to 11:00, when it surges to 13, the mid-morning hours witness a rapid increase. The intensity continues to climb, hitting its daily zenith at 12:00. Although it remains formidable throughout the early afternoon, dropping to 11 by 14:00, it's vital to stay vigilant about sun protection. As the day unfolds, the UVI dips in the late afternoon—7 at 15:00, then declining further to 1 by 18:00, finally settling at 0 by 19:00, marking a significant relief as the sun sets. Ensure you take the necessary precautions during peak hours to safeguard your skin!

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	13	extreme	10 min
12:00	15	extreme	10 min
13:00	14	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 Khon Kaen

The UV Index experiences significant fluctuations throughout the year, demonstrating high levels of intensity from February to October, with the peak occurring in July at an index of 15. During this period, the exposure category remains consistently extreme, allowing for a burn time of just 10 minutes. January, November, and December show lower UV levels, categorized as very high, requiring 15 minutes of exposure before burning occurs. Visitors and residents should take special precautions from February through October by wearing protective clothing, applying sunscreen, and seeking shade, especially during midday hours, to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Khon Kaen, Thailand

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

The table above highlights how UV exposure in Khon Kaen 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.

Khon Kaen'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
Khon Kaen	9	12	14	14	14	13	15	14	13	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9