UV Index in Si That, Thailand

Last updated: June 2, 2025

In Si That, Thailand, being aware of the UV Index is crucial for protecting your skin and overall health. With peak UV exposure reaching levels as high as 13, understanding the UV levels throughout the day can help prevent sunburn and reduce the risk of long-term skin damage. Given Si That's tropical climate, outdoor enthusiasts and residents alike should pay close attention to the UV index, especially during midday when levels are at their most dangerous. Stay informed, stay protected, and enjoy the beautiful sunshine safely!

Hourly UV Index in Si That

As the sun rises, the UV Index begins to climb, starting at a low 1 at 7:00 AM. By 9:00 AM, it reaches 6, signaling that it's time to pay attention to sun safety. The peak intensity arrives at 12:00 PM, with a high of 13, indicating potentially harmful radiation. This resplendent midday sun shines brightly until about 2:00 PM, when the index decreases to 10. As the afternoon progresses, the UVI drops to 6 by 3:00 PM, eventually tapering off to a mild 1 by 5:00 PM and lingering at 0 after 7:00 PM. Be sure to protect your skin during the hours of peak exposure!

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
08:003moderate30 min
09:006high25 min
10:0010very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0012extreme10 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 Si That

Throughout the year, the UV Index exhibits significant seasonal variations, with the highest values occurring from February to October. January marks the start of high UV exposure with an index of 9, classified as very high, though burn time is manageable at 15 minutes. By February, the UV Index climbs dramatically to 12, entering the extreme category, and remains at this level through October where it drops slightly to 12 in October. July typically sees the peak UV Index of 15, making it one of the most hazardous months for sun exposure, with a burn time of just 10 minutes during this period. Residents and visitors should take extra precautions during these high-risk months, particularly from February to October, by using sunscreen, wearing protective clothing, and seeking shade to minimize skin damage. As the UV Index fluctuates, it's essential to remain vigilant and adjust sun protection measures accordingly.

Monthly Maximum UV Index for Si That, Thailand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Si That. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141315141412109
Data source: Statistical UV Index data for Si That, 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 Si That UV Index with Other Thailand Cities

The table above highlights how UV exposure in Si That 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.
Si That'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
Si That9121414141315141412109
Chon Buri UVI10131414141314141313109