UV Index in Udon Thani, Thailand

Last updated: May 3, 2025

Staying aware of the UV Index is crucial for residents and visitors in Udon Thani, Thailand. Understanding the daily levels of ultraviolet radiation not only helps in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. With a tropical savanna climate characterized by high temperatures and intense sunlight, Udon Thani presents significant UV exposure risks, especially during peak hours from 10 AM to 2 PM, when the index can soar to a staggering 14. By keeping an eye on the UV Index, you can take proactive measures to protect yourself and enjoy the beautiful sunny days in Udon Thani safely.

Hourly UV Index in Udon Thani

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to 3, indicating a cautious need for sun protection. The real intensity kicks in by 09:00, reaching 6, and peaks at a striking 14 at 12:00—the hour when the sun is at its zenith. With readings of 13 still prevalent from 11:00 to 13:00, it’s a vital time to stay protected! As afternoon settles in, the UV levels gradually taper off; they dip to 6 by 15:00 and descend further to 3 at 16:00. By evening, the risk diminishes significantly with a return to 1 at 17:00, rounding off the day as twilight approaches with a 0 reading by 19:00. Stay safe in the 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:003moderate30 min
09:006high25 min
10:0010very high15 min
11:0013extreme10 min
12:0014extreme10 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 Udon Thani

The UV Index experiences significant seasonal changes, peaking during the warmer months from March to October, where the index reaches extreme levels of 13 to 14. The highest risk months are generally from February to September, with burn times as short as 10 minutes during extremes. January and December, while slightly lower at a UV Index of 9, still present a very high risk requiring caution. Visitors and residents should take proactive measures during these high-risk periods, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of skin damage from UV exposure.

Monthly Maximum UV Index for Udon Thani, Thailand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Udon Thani. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141314141412109
Data source: Statistical UV Index data for Udon Thani, 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 Udon Thani UV Index with Other Thailand Cities

The table above highlights how UV exposure in Udon Thani 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.
Udon Thani'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 Thani9111314141314141412109
Chon Buri UVI10131414141314141313109