UV Index in Phrae, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Phrae, Thailand, where the tropical climate brings high levels of sun exposure throughout the year. Awareness of UV levels is essential for effective sunburn prevention and maintaining skin health, as prolonged exposure can lead to serious dermatological issues. In Phrae, the UV Index can soar to dangerous levels, particularly between 10 AM and 2 PM, with values reaching up to 15. This highlights the need for vigilance during outdoor activities to protect yourself from harsh sun rays and enjoy the beauty of this vibrant region safely.

Hourly UV Index in Phrae

The UV Index throughout the day showcases a vibrant dance of sunlight intensity. Starting at a gentle 1 at 07:00, the rays begin to strengthen, peaking dramatically at 12:00 with a scorching 15. This midday sun reigns supreme, particularly at 11:00, where it reaches an impressive 13. As the afternoon unfolds, the intensity wanes, dropping to 8 by 15:00 and further descending to 4 by 16:00. As twilight approaches, the UV levels taper off, settling at 1 by 18:00 and finally retreating to 0 as night falls at 19:00. Remember to protect your skin during peak hours to enjoy the day safely!

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	15	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 Phrae

The UV Index exhibits significant seasonal changes, peaking during the warmer months. From January to March, the exposure level escalates from very high to an extreme category, with a burn time as low as 10 minutes for peak months like February and March. The highest UV levels occur in July with an index of 15, indicating extreme exposure and a critical burn time of just 10 minutes. This high-risk trend persists through August and September before tapering off in the fall. With November and December returning to a very high index but with longer burn times of 15 minutes, it is essential for visitors and residents to practice sun safety, especially during February through October. Protecting your skin with sunscreen, protective clothing, and avoiding prolonged sun exposure during peak hours is crucial.

Monthly Maximum UV Index for Phrae, Thailand

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

The table above highlights how UV exposure in Phrae 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.

Phrae'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
Phrae	9	11	13	13	14	13	15	14	14	13	10	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