UV Index in Phai Sali, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Phai Sali, Thailand, where the climate can amplify the risks associated with sun exposure. With UV levels often peaking at a significant 14 between noon and 1 PM, being aware of these readings helps prevent sunburn and promotes long-term skin health. Given the region's warm, sunny weather, it's vital to take protective measures during the peak hours to safeguard against harmful UV radiation. Stay informed about the UV Index to enjoy the outdoors safely while protecting your skin!

Hourly UV Index in Phai Sali

As the sun rises, the UV Index begins its climb, starting at a mild 1 at 07:00. By 08:00, it reaches 3, signaling a gradual increase in sun intensity. The real surge happens between 09:00 and 13:00, peaking at a blistering 14 at both 12:00 and 13:00, urging outdoor enthusiasts to seek shade and apply sunscreen. As the afternoon wanes, there's a rapid decline; by 15:00, it drops to 7, and by 18:00, it plummets to 1, finally resting at 0 by 19:00. This dynamic pattern underscores the importance of staying vigilant during peak hours to safeguard against harmful UV exposure while enjoying the bright day!

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	13	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 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 Phai Sali

The UV Index varies significantly throughout the year, peaking during the spring and summer months. February through September are identified as high-risk months, where the UV Index reaches levels categorized as extreme (12-14), with burn times as short as 10 minutes. January, November, and December show a slight decrease, with UV levels still classified as very high (9-10) and burn times extending to 15 minutes. Visitors and residents are strongly advised to take precautions during these high-risk months by seeking shade, wearing protective clothing, and using broad-spectrum sunscreen to minimize the risk of UV exposure and potential sunburn.

Monthly Maximum UV Index for Phai Sali, Thailand

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

The table above highlights how UV exposure in Phai Sali 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.

Phai Sali'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
Phai Sali	9	12	13	14	14	13	14	14	13	13	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9