UV Index in Hua Hin, Thailand

Last updated: June 2, 2025

When basking in the beautiful sun of Hua Hin, Thailand, understanding the UV Index is essential for safeguarding your skin's health. With peak UV levels reaching a staggering 13 during midday, awareness of daily UV exposure can be the key to preventing sunburn and long-term skin damage. Hua Hin's tropical climate brings not only warmth and sunshine but also significant UV risks that can vary dramatically throughout the day. By keeping an eye on the UV Index, you can enjoy the tropical lifestyle while protecting yourself from the sun’s harmful rays.

Hourly UV Index in Hua Hin

As the sun climbs higher, the UV Index reaches its peak intensity around 12:00 PM, soaring to a striking 13—a clear signal for outdoor enthusiasts to take precautions. The morning hours start gently, with a low of 1 at 07:00 AM, gradually escalating to 6 by 09:00 AM and hitting 9 at 10:00 AM. By 11:00 AM, the sun begins to assert itself with a 12. However, as the afternoon progresses, the UV intensity starts to wane, dropping to 10 at 2:00 PM, and tapering off to a mere 2 by 5:00 PM. As daylight diminishes, the UV Index dwindles to 0 by 7:00 PM, inviting a much-needed respite from the sun’s relentless rays. Always be vigilant and protect your skin during those peak 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	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Hua Hin

Throughout the year, UV Index levels reveal extreme exposure, particularly from January to October, reaching peaks of 14 in March, April, May, July, August, and September, with a consistent burn time of just 10 minutes. The high-risk months for UV exposure are from January to October, necessitating caution, as prolonged exposure within these months can result in severe sunburn. November and December see a slight decline in UV intensity to 10 and 9, respectively, categorized as very high, allowing for a marginally longer safe exposure time of 15 minutes. It's advised that both visitors and residents utilize sunscreen, protective clothing, and seek shade during peak hours, particularly in the extreme UV months, to safeguard against harmful effects.

Monthly Maximum UV Index for Hua Hin, Thailand

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

The table above highlights how UV exposure in Hua Hin 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.

Hua Hin'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
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9
Hua Hin	11	13	14	14	14	13	14	14	14	13	10	9