UV Index in Prachuap Khiri Khan, Thailand

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors in Prachuap Khiri Khan, Thailand, where the tropical climate brings intense sun exposure throughout the year. Being aware of UV levels is crucial for protecting your skin against the harmful effects of ultraviolet radiation, including painful sunburns and long-term skin damage. With peak UV Index values soaring to 14 during midday hours, it’s vital to take preventive measures. This picturesque region not only offers stunning beaches but also presents a significant risk of overexposure to the sun, making it imperative to stay informed and practice sun safety for a healthier life under the rays.

Hourly UV Index in Prachuap Khiri Khan

The UV Index journey throughout the day reveals a dynamic and intense sunlight experience. Starting with a gentle maximum of 1 at 7:00 AM, the index climbs steadily, reaching 3 by 8:00 AM. It then takes a commanding leap to 6 at 9:00 AM, before peaking at a striking 14 around 12:00 PM—the moment when sun safety is most crucial. As the afternoon progresses, the UV intensity begins to taper off, dipping to 10 at 2:00 PM, and down to 4 by 4:00 PM. Finally, the day wraps up with a return to more manageable levels, settling at 0 by 7:00 PM. This data highlights the importance of protective measures during peak hours when the sun’s rays are most potent.

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	14	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 Prachuap Khiri Khan

Throughout the year, the UV Index in this region remains extremely high, particularly from January to October, with values peaking at 15 in March. The high-risk months are consistently from January to October, where the burn time is a mere 10 minutes, underscoring the urgent need for sun protection. Even as the year transitions into November and December, the UV Index remains notably elevated, with November at 11 and December slightly lower at 10; however, exposure risk remains significant, especially in November. It is crucial for both visitors and residents to prioritize sun safety measures, including wearing sunscreen, protective clothing, and seeking shade during peak sun hours, to prevent harmful UV exposure and skin damage year-round.

Monthly Maximum UV Index for Prachuap Khiri Khan, Thailand

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

The table above highlights how UV exposure in Prachuap Khiri Khan 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.

Prachuap Khiri Khan'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
Prachuap Khiri Khan	11	13	15	14	14	14	14	14	14	13	11	10