UV Index in Phaya Mengrai, Thailand

Last updated: July 2, 2025

In Phaya Mengrai, Thailand, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels enables residents and visitors alike to take proactive measures against sunburn and long-term skin damage, especially during the peak UV hours from 10:00 AM to 2:00 PM, when values soar to a scorching 14. With its tropical Aw climate, Phaya Mengrai experiences intense sunlight year-round, making it essential to stay informed about daily UV risks. Whether you're enjoying outdoor activities or simply basking in the sun, knowing the UV Index can help ensure a safer, healthier experience.

Hourly UV Index in Phaya Mengrai

As the sun rises, the UV Index starts off low at 1 by 7:00 AM, gradually climbing to a moderate 3 by 8:00 AM. However, by 9:00 AM, it takes a sharp leap to 6, signaling that sun protection should be considered. The peak intensity occurs at 12:00 PM, hitting a striking 14, where the sun’s rays are most potent and precautions are essential. The afternoon sees a slight decline, dropping to 11 by 2:00 PM, before further retreating to 8 at 3:00 PM. As the day winds down, the index decreases steadily, settling at 1 by 6:00 PM and fading to 0 by 7:00 PM. This data highlights the importance of staying vigilant during peak hours to protect yourself from harmful UV exposure.

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	11	extreme	10 min
15:00	8	very high	15 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 Phaya Mengrai

The UV Index data reveals a distinct seasonal pattern, with extreme levels predominantly occurring from March to October, peaking at 14 in May, July, August, and September. High-risk months include March, April, May, July, August, September, and October, where the burn time is dramatically reduced to just 10 minutes. From January to February and in November and December, while the UV Index remains very high (ranging from 8 to 10), the burn time extends to 15 minutes. Visitors and residents are advised to take extra precautions during the spring and summer months by wearing appropriate sun protection, including sunscreen, hats, and sunglasses, and by seeking shade during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Phaya Mengrai, Thailand

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

The table above highlights how UV exposure in Phaya Mengrai 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.

Phaya Mengrai'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
Phaya Mengrai	9	10	13	13	14	13	14	14	14	13	10	8
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