UV Index in Phen, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Phen, Thailand, where the Aw climate brings warm temperatures year-round. High UV levels, particularly between 10 AM and 2 PM, pose significant risks for sunburn and long-term skin health issues. With UV Index readings reaching as high as 14, being aware of the local UV levels can empower you to take necessary precautions to protect your skin. Stay informed to enjoy the sunshine safely!

Hourly UV Index in Phen

The UV Index paints a vivid picture of the sun's intensity as the day progresses. Morning kicks off with a low index of 1 at 07:00, a gentle start that quickly picks up momentum. By 09:00, it reaches 6, hinting that it’s time to consider some sun protection. The peak occurs at 12:00, when the index skyrockets to 14, indicating exceptionally high UV levels—perfect for keeping those sunscreen bottles handy! As the afternoon rolls in, the index begins to taper off, dropping to 11 at 14:00 and descending steadily thereafter. By evening, the UV Index dwindles to 0 at 19:00, inviting everyone to unwind as the sun retreats. This data serves as a reminder to stay vigilant under the midday sun and enjoy the outdoors while being sun-smart!

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	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 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