UV Index in Sirindhorn, Thailand

Last updated: July 2, 2025

Understanding the UV Index in Sirindhorn, Thailand is crucial for safeguarding your skin and overall health. With intense sunlight prevalent in this tropical climate, knowing the UV levels can help you take appropriate precautions against sunburn and long-term skin damage. During midday, the UV Index can peak at a staggering 15, indicating an extreme risk of harm from unprotected sun exposure. Being informed about these levels allows residents and visitors alike to enjoy the beautiful outdoors while minimizing skin health risks associated with UV radiation, ensuring a safer experience under the sun.

Hourly UV Index in Sirindhorn

As the sun rises on a new day, the UV Index begins at a modest 1 at 7:00 AM, gradually climbing to reach its peak of 15 by 12:00 PM. The hours between 9:00 AM and 1:00 PM showcase the sun's intensity, highlighted by a significant spike to 11 at 10:00 AM and 14 at 11:00 AM. However, by the afternoon, the radiation starts to wane, dropping to 6 at 3:00 PM, and then tapering off significantly as evening approaches. By 6:00 PM, the UV Index returns to a safe level of 1, and by 7:00 PM, it settles at 0, signaling the end of peak solar radiation for the day. Remember, during those peak hours, it’s essential to protect your skin!

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:004moderate30 min
09:007high25 min
10:0011extreme10 min
11:0014extreme10 min
12:0015extreme10 min
13:0013extreme10 min
14:0010very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 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.
JanFebMarAprMayJunJulAugSepOctNovDec10131415141315141412109
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.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mueang Nonthaburi UVI1012141314131414131298
Samut Prakan UVI1012141314131414131298
Bangkok UVI1012141314131414131298
Udon Thani UVI9111314141314141412109
Chon Buri UVI10131414141314141313109
Sirindhorn10131415141315141412109