UV Index in Phayao, Thailand

Last updated: May 3, 2025

In Phayao, Thailand, being aware of the UV Index is crucial for protecting your skin against harmful ultraviolet rays. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. With Phayao's tropical Aw climate, residents and visitors alike must be vigilant, especially during peak hours when UV ratings can soar as high as 14 around noon. By staying informed about daily UV exposure risks, you can enjoy the sun safely and minimize the impact on your skin.

Hourly UV Index in Phayao

The UV Index today offers a clear picture of solar intensity as the day unfolds. Starting with a calm 1 at 7:00 AM, the sun's rays begin to strengthen, reaching 3 by 8:00 AM. The peak intensity hits at 12:00 PM, soaring to an impressive 14, indicating a strong need for sun protection. As the afternoon progresses, it gradually decreases, dropping to 4 by 4:00 PM and winding down to 1 by 6:00 PM. By 7:00 PM, the UV Index retreats to 0, showcasing the significant daily variation in UV exposure. It's essential to stay alert during those peak hours, especially between 10:00 AM and 1:00 PM, when UV radiation poses the greatest risk!

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	13	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 Phayao

During the year, UV Index levels peak from March to October, with an extreme classification of 12-14 indicating significant risk for harm from unprotected sun exposure. The high-risk months of April through October should be approached with caution, as the burn time drops to just 10 minutes in these periods. Visitors and residents are advised to protect themselves by wearing sunscreen, appropriate clothing, and seeking shade during peak hours, especially from late morning to mid-afternoon when UV intensity is at its highest. Even in November and December, although the UV Index is lower, with values of 10 and 8 respectively, it remains important to exercise sun safety.

Monthly Maximum UV Index for Phayao, Thailand

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

The table above highlights how UV exposure in Phayao 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.

Phayao'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
Phayao	9	10	12	13	14	14	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