UV Index in Chiang Khong, Thailand

Last updated: July 2, 2025

In Chiang Khong, Thailand, awareness of the UV Index is crucial for safeguarding your skin and overall health under the intense tropical sun. With a climate characterized by high temperatures and humidity, understanding UV levels can prevent sunburn and long-term skin damage. From late morning to early afternoon, the UV Index in Chiang Khong reaches its peak, with values soaring to 14—indicating a very high risk of harm from unprotected sun exposure. Staying informed about the UV Index empowers you to take necessary precautions, ensuring your time in the sun remains enjoyable and safe.

Hourly UV Index in Chiang Khong

As the sun rises, the UV Index starts off low at 1 by 7:00 AM, gradually climbing to a moderate 3 by 8:00 AM. However, by 9:00 AM, it takes a sharp leap to 6, signaling that sun protection should be considered. The peak intensity occurs at 12:00 PM, hitting a striking 14, where the sun’s rays are most potent and precautions are essential. The afternoon sees a slight decline, dropping to 11 by 2:00 PM, before further retreating to 8 at 3:00 PM. As the day winds down, the index decreases steadily, settling at 1 by 6:00 PM and fading to 0 by 7:00 PM. This data highlights the importance of staying vigilant during peak hours to protect yourself from harmful UV exposure.

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	14	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 Khong

The UV Index experiences significant seasonal variations, peaking during the summer months from May to September, where it reaches an extremely high level of 14. This period, particularly March through October, poses a heightened risk for sunburn, with a burn time of only 10 minutes at this index. January, February, November, and December show less intense UV exposure, categorized as very high with a burn time of 15 minutes. Visitors and residents should exercise caution during the high-risk months of March to October, applying sunscreen, wearing protective clothing, and seeking shade to minimize the risk of UV-related health issues. Staying informed and prepared is essential to enjoy outdoor activities safely during these times.

Monthly Maximum UV Index for Chiang Khong, Thailand

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

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