UV Index in Phen, Thailand

Last updated: May 3, 2025

In Phen, Thailand, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding the levels of ultraviolet radiation can help you take proactive measures against sunburn, premature aging, and skin cancer. With the region's Aw climate, known for its hot and tropical weather, the UV exposure risks during peak hours can be significant, reaching a staggering 14 at noon. By staying informed about the UV Index throughout the day, you can enjoy the beautiful outdoors while prioritizing your skin’s safety.

Hourly UV Index in Phen

As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to 3, indicating a cautious need for sun protection. The real intensity kicks in by 09:00, reaching 6, and peaks at a striking 14 at 12:00—the hour when the sun is at its zenith. With readings of 13 still prevalent from 11:00 to 13:00, it’s a vital time to stay protected! As afternoon settles in, the UV levels gradually taper off; they dip to 6 by 15:00 and descend further to 3 at 16:00. By evening, the risk diminishes significantly with a return to 1 at 17:00, rounding off the day as twilight approaches with a 0 reading by 19:00. Stay safe in the sun!

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	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Phen

The UV Index experiences significant seasonal changes, peaking during the warmer months from March to October, where the index reaches extreme levels of 13 to 14. The highest risk months are generally from February to September, with burn times as short as 10 minutes during extremes. January and December, while slightly lower at a UV Index of 9, still present a very high risk requiring caution. Visitors and residents should take proactive measures during these high-risk periods, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of skin damage from UV exposure.

Monthly Maximum UV Index for Phen, Thailand

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

The table above highlights how UV exposure in Phen 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.

Phen'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
Phen	9	11	13	14	14	13	14	14	14	12	10	9
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