UV Index in Mae Hong Son, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Mae Hong Son, Thailand, where the stunning landscapes and outdoor adventures beckon. With UV levels peaking as high as 14, awareness of these figures is vital for sunburn prevention and maintaining long-term skin health. The region's Aw climate brings abundant sunshine, elevating the risk of UV exposure—especially during peak hours from late morning to early afternoon. By staying informed about the UV Index, you can make smarter decisions about sun protection, ensuring your time in this beautiful destination remains enjoyable and safe.

Hourly UV Index in Mae Hong Son

The UV Index paints a vivid picture of a sun-soaked day, beginning gently at 07:00 with a low of 1. As the sun climbs higher, the index escalates, reaching peak intensity at 12:00 with a whopping 14, warning sunbathers to seek shade. The afternoon holds steady, maintaining a high of 14 until 13:00, before gradually tapering off. By 15:00, it drops to 9, mellowing further to 5 by 16:00 as the day winds down. When evening settles in, the UV Index returns to a soft 1 by 18:00, before fading to 0 at 19:00. This hourly data underscores the importance of sun safety, especially during those peak midday hours!

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	5	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 Mae Hong Son

The UV Index demonstrates significant seasonal variations, with the highest values occurring from March to October, when it reaches an extreme level of 14 during the summer months of May through September. Visitors and residents should take special care during these periods, with a burn time of just 10 minutes for unprotected skin. January, February, November, and December still exhibit very high levels with an index of 9 to 10 and a burn time of 15 minutes, indicating that precautions are essential year-round. It is advisable for everyone to wear sunscreen, protective clothing, and hats, and to seek shade, especially during peak UV hours to mitigate the risks of skin damage and overexposure.

Monthly Maximum UV Index for Mae Hong Son, Thailand

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

The table above highlights how UV exposure in Mae Hong Son 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.

Mae Hong Son'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
Mae Hong Son	9	10	13	13	14	14	14	14	14	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9