UV Index in Chiang Muan, Thailand

Last updated: May 3, 2025

Understanding the UV Index in Chiang Muan, Thailand is crucial for protecting your skin and overall health. With its tropical climate, Chiang Muan experiences intense sun exposure, especially during midday when UV levels can reach a maximum of 14—putting you at a higher risk for sunburn and long-term skin damage. By monitoring the UV Index, you can make informed decisions about sun safety, ensuring you enjoy the great outdoors without compromising your skin's health. Knowing when to seek shade or apply sunscreen can make all the difference in preserving your skin while basking in the warmth of Chiang Muan's sun.

Hourly UV Index in Chiang Muan

The UV Index today offers a clear picture of solar intensity as the day unfolds. Starting with a calm 1 at 7:00 AM, the sun's rays begin to strengthen, reaching 3 by 8:00 AM. The peak intensity hits at 12:00 PM, soaring to an impressive 14, indicating a strong need for sun protection. As the afternoon progresses, it gradually decreases, dropping to 4 by 4:00 PM and winding down to 1 by 6:00 PM. By 7:00 PM, the UV Index retreats to 0, showcasing the significant daily variation in UV exposure. It's essential to stay alert during those peak hours, especially between 10:00 AM and 1:00 PM, when UV radiation poses the greatest risk!

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	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 Chiang Muan

The UV Index data reveals a distinct seasonal pattern, with extreme levels predominantly occurring from March to October, peaking at 14 in May, July, August, and September. High-risk months include March, April, May, July, August, September, and October, where the burn time is dramatically reduced to just 10 minutes. From January to February and in November and December, while the UV Index remains very high (ranging from 8 to 10), the burn time extends to 15 minutes. Visitors and residents are advised to take extra precautions during the spring and summer months by wearing appropriate sun protection, including sunscreen, hats, and sunglasses, and by seeking shade during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Chiang Muan, Thailand

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

The table above highlights how UV exposure in Chiang Muan 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.

Chiang Muan'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
Chiang Muan	9	10	13	13	14	13	14	14	14	13	10	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