UV Index in Ko Kha, Thailand

Last updated: May 3, 2025

In Ko Kha, Thailand, being aware of the UV Index is essential for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels is crucial not only for sunburn prevention but also for maintaining long-term skin health. With its tropical climate and high UV exposure, especially during peak hours where the index can soar to 14, residents and visitors should take proactive measures to mitigate risks. Stay informed to enjoy the beautiful sunlight while protecting yourself from potential skin damage.

Hourly UV Index in Ko Kha

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 Ko Kha

The UV Index exhibits notable seasonal variations, with the highest values recorded from February to October. The months of March through August are particularly high-risk, featuring an extreme UV Index of 12 to 14, which corresponds to a rapid burn time of just 10 minutes. Visitors and residents should exercise stringent sun safety measures during these months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently. As the year progresses into November and December, the UV Index decreases to 10 and 8 respectively, categorized as very high, allowing for slightly extended burn times of 15 minutes, yet caution remains essential. By staying vigilant and informed about UV levels year-round, individuals can better protect their skin and overall health.

Monthly Maximum UV Index for Ko Kha, Thailand

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

The table above highlights how UV exposure in Ko Kha 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.

Ko Kha'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
Ko Kha	9	11	12	13	14	13	14	14	13	12	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