UV Index in Mae Hong Son, Thailand

Last updated: May 3, 2025

In Mae Hong Son, Thailand, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps in preventing sunburn and long-term skin damage, making it essential for both residents and visitors alike. Nestled in an Aw climate zone, Mae Hong Son experiences significant sun exposure, particularly during midday hours when the UV Index can soar to 14—indicating extreme risk. By familiarizing yourself with the UV Index, you can take informed steps to safeguard your skin while enjoying the beauty of this stunning region.

Hourly UV Index in Mae Hong Son

As the sun rises, the UV Index begins at a gentle 1 at 7:00 AM, gradually climbing to 3 by 8:00 AM. By 9:00 AM, it reaches a moderate 6, but the real intensity kicks in as it peaks at a striking 14 from 12:00 PM to 1:00 PM. The midday sun unleashes its full power, with the index soaring to 13 at 11:00 AM and 14 again at 12:00 PM and 1:00 PM—a clear signal for sun protection! As the afternoon sets in, values begin to dip, dropping to 12 by 2:00 PM, followed by a gradual decline to 8 at 3:00 PM, 5 at 4:00 PM, and back down to 1 by 6:00 PM. The day concludes with a 0 UV Index by 7:00 PM, signaling it's safe to step outside without sunscreen. Stay sun-smart and plan your activities accordingly!

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	6	high	25 min
10:00	10	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	8	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