UV Index in Sam Ko, Thailand

Last updated: July 2, 2025

Understanding the UV Index in Sam Ko, Thailand is crucial for maintaining your skin health and preventing sunburns in this sun-soaked paradise. With peaks reaching an intense UV Index of 13 during midday hours, awareness of these levels helps residents and visitors alike protect themselves from the harmful effects of ultraviolet radiation. Sam Ko's tropical climate not only brings warm temperatures but also increases UV exposure risks, making it essential to stay informed about UV levels throughout the day. By familiarizing yourself with the UV Index, you can enjoy the stunning outdoors while safeguarding your skin against damage.

Hourly UV Index in Sam Ko

As the sun rises, the UV Index starts its slow climb, peaking at 13 between noon and 1 PM, signaling extreme UV exposure. The day begins gently at 7 AM with a minimal index of 1, but by 10 AM, it reaches 9, urging sun-sensitive individuals to seek protection. The highest reading of 13 persists for two hours, making midday the most critical time for sun safety. As the afternoon rolls in, the index gradually decreases, dipping to 7 by 3 PM, and further waning into the evening with values of 4 at 4 PM, 2 at 5 PM, and falling to a comfortable 1 by 6 PM. Finally, the UV Index settles at 0 after sunset, marking the end of a sun-drenched 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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	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 Sam Ko

The UV Index experiences significant seasonal changes, peaking during the warmer months. January begins with a UV Index of 9, categorized as very high, with a burn time of just 15 minutes. As we move into February and March, the Index escalates to 12 and 13, tipping into the extreme category, where careful sun protection is essential. From April to August, the UV Index consistently remains at 13 to 14, emphasizing the need for aggressive sun safety measures with a burn time of only 10 minutes. The Index begins to decline in September and October but stays in the extreme range of 12 to 13. High-risk months for UV exposure are predominantly between February and August, urging both residents and visitors to prioritize sun protection—such as wearing sunscreen, hats, and protective clothing—during these critical times. The lower UV levels in November and December still warrant attention, as they feature a 10 and 9 UV Index, respectively, reminding us that skin protection is important year-round.

Monthly Maximum UV Index for Sam Ko, Thailand

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

The table above highlights how UV exposure in Sam Ko 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.

Sam Ko'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
Sam Ko	9	12	13	14	13	13	13	14	13	12	10	9
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