UV Index in Chiang Saen, Thailand

Last updated: July 2, 2025

In Chiang Saen, Thailand, being aware of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels is essential not only for preventing painful sunburns but also for maintaining long-term skin health. With its tropical Aw climate, Chiang Saen experiences intense sunlight, especially during the peak hours of 10 AM to 2 PM when the UV Index often soars to dangerous levels of 13 to 14. By keeping an eye on the UV Index, residents and visitors can better protect themselves while enjoying the beautiful outdoors.

Hourly UV Index in Chiang Saen

The UV Index today showcases a dramatic rise as the sun ascends, starting at a mild 1 at 7:00 AM. By 9:00 AM, it ramps up to 6, hitting 9 by 10:00 AM. The intensity peaks around 12:00 PM with a scorching 14, persisting until 1:00 PM. As the afternoon progresses, the UV Index begins to decline, dropping to 11 by 2:00 PM, then down to 8 at 3:00 PM. By late afternoon, it falls further to 5 at 4:00 PM, and the day winds down with a gentle 2 at 5:00 PM, before cooling off to 1 at 6:00 PM and finally dropping to 0 by 7:00 PM. Remember, mid-day hours are when protection from UV rays is most crucial!

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	13	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	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 Saen

Throughout the year, UV exposure fluctuates significantly, with the highest risks occurring during the summer months. From March to October, the UV Index reaches particularly dangerous levels, peaking at 14, categorizing this period as extreme risk, where burn time is only 10 minutes. January and February also present a high hazard with a UV Index of 9 and 10, respectively, while the latter half of the year sees a slight dip in risk during November and December, with UV Index values of 9 and 8. Visitors and residents should be aware that March to October are high-risk months, and it is essential to take protective measures during these times, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade whenever possible to minimize skin damage.

Monthly Maximum UV Index for Chiang Saen, Thailand

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

The table above highlights how UV exposure in Chiang Saen 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 Saen'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 Saen	9	10	13	12	14	14	14	14	14	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