UV Index in Nakhon Si Thammarat, Thailand

Last updated: July 2, 2025

In Nakhon Si Thammarat, Thailand, being aware of the UV Index is crucial for protecting your skin and overall health. The UV Index provides vital information on the intensity of ultraviolet radiation from the sun, helping residents and visitors alike to prevent sunburn and long-term skin damage. Given the region's tropical climate, the UV levels can soar to dangerous heights, particularly around midday when they peak at 13—a striking reminder to take precautions. Understanding these levels not only safeguards your skin but also enhances your outdoor experience in this beautiful coastal paradise.

Hourly UV Index in Nakhon Si Thammarat

At dawn, the UV Index begins its climb, peaking at a modest 1 by 7:00 AM. As the sun rises higher, rays intensify, reaching a noticeable 2 at 8:00 AM, and then skyrocketing to an impressive 5 by 9:00 AM. 10:00 AM sees this figure escalate to 8, and it culminates at a striking 13 during the midday hours of 12:00 PM and 1:00 PM. As the afternoon unfolds, the index begins to wane, dropping to 10 by 2:00 PM and gradually lowering to 4 at 4:00 PM. By evening, the sun's retreat brings the UV Index down to 1 by 6:00 PM, before it finally dims to 0 at 7:00 PM. As a result, early risers and sun-worshippers alike should take note: the strongest UV exposure occurs between 10:00 AM and 1:00 PM. Stay protected!

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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 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 Nakhon Si Thammarat

Throughout the year, UV Index levels demonstrate a consistent pattern of extreme exposure, particularly from January to October, where the index consistently ranges between 11 and 16. The high-risk months for UV exposure are from January to May, with March peaking at an index of 16. Although the intensity slightly diminishes in the summer months, June through August maintain high levels at 13 to 14. Visitors and residents should be particularly vigilant during these months, ensuring to limit sun exposure, wear protective clothing, and apply sunscreen every 10 minutes to prevent harmful effects. With the UV Index remaining high into the fall, it remains crucial to prioritize sun safety year-round.

Monthly Maximum UV Index for Nakhon Si Thammarat, Thailand

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

The table above highlights how UV exposure in Nakhon Si Thammarat 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.

Nakhon Si Thammarat'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
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
Nakhon Si Thammarat	12	14	16	15	14	13	13	14	14	14	12	11