UV Index in Sirindhorn, Thailand

Last updated: May 3, 2025

In Sirindhorn, Thailand, being aware of the UV Index is crucial for protecting your skin and overall health. With the region's tropical climate, UV levels can soar throughout the day, peaking around noon with an index of 14—indicating extreme risk of harm from unprotected sun exposure. Understanding these levels is vital not only for preventing painful sunburn but also for maintaining long-term skin health. By staying informed and taking appropriate precautions, you can enjoy the beautiful sunny days that Sirindhorn has to offer while safeguarding your skin from potential damage.

Hourly UV Index in Sirindhorn

As the sun rises, the UV Index starts at a moderate level of 2 at 7 AM, gradually increasing to a peak of 14 by noon. The intensity is most striking at 11 AM and 12 PM, where exposure becomes critical. After this time, the index begins a gradual decline, dropping to 10 at 2 PM and continuing downwards to a mere 1 by 5 PM. Sun-seekers and outdoor enthusiasts should be especially cautious from 9 AM to 1 PM when the UV levels are at their highest, reaching their zenith with an extreme 11 at 10 AM. Remember to protect your skin under this midday sun!

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Sirindhorn

The seasonal UV changes indicate a trend of very high to extreme UV levels primarily from January through October, with February to July showing the highest indices. Specifically, March and April peak at a UV Index of 15, categorizing the exposure as extreme, warranting a burn time of just 10 minutes. High-risk months are clearly defined from February to October, where protective measures are crucial; these months have a consistent UV Index ranging from 12 to 15. As such, it is advisable for both visitors and residents to exercise caution during outdoor activities by wearing sunscreen, protective clothing, and sunglasses, while seeking shade whenever possible, especially during peak hours from 10 a.m. to 4 p.m. even when the burn time is notably short.

Monthly Maximum UV Index for Sirindhorn, Thailand

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

The table above highlights how UV exposure in Sirindhorn 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.

Sirindhorn'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
Sirindhorn	10	13	14	15	14	13	15	14	14	12	10	9