UV Index in Chiang Saen, Thailand

Last updated: June 2, 2025

Understanding the UV Index in Chiang Saen, Thailand, is crucial for protecting your skin and overall health. With its tropical climate, Chiang Saen experiences intense sunlight and high UV levels, particularly during the midday hours. Awareness of UV exposure not only helps prevent painful sunburns but also plays a vital role in safeguarding long-term skin health. Throughout the day, UV Index levels can soar to dangerous heights—reaching up to 14 around noon—making it essential for residents and visitors alike to stay informed and take appropriate precautions against potential skin damage.

Hourly UV Index in Chiang Saen

As the sun rises, the UV Index begins its ascent. At 07:00, it starts at a gentle 1, but by 08:00, it noticeably climbs to 3, signaling a gradual increase in sun exposure. The peak arrives at 12:00, hitting an intense 14—a time when protective measures are crucial. From 11:00 to 13:00, the index remains dangerously high, with 12 and 13 respectively, urging outdoor enthusiasts to seek shade. Gradually, the intensity subsides, dropping to 11 at 14:00 and further decreasing to 8 by 15:00. The evening brings relief, as the UV Index falls to 2 by 17:00, and diminishes to 1 at 18:00, finally settling at 0 by 19:00. This hourly fluctuation highlights the importance of staying vigilant about UV exposure throughout the day!

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	8	very high	15 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 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