UV Index in Roi Et, Thailand

Last updated: July 2, 2025

Staying informed about the UV Index in Roi Et, Thailand is essential for protecting your skin and overall health. With the region's warm Aw climate, residents and visitors face increased risks of harmful UV exposure, particularly during the peak hours of 10 AM to 2 PM when the index can soar to as high as 15. Understanding these UV levels is crucial not only for preventing sunburns but also for minimizing long-term skin damage and lowering the risk of skin cancer. Be proactive in safeguarding your skin by being mindful of these UV trends and taking the necessary precautions during your time in Roi Et.

Hourly UV Index in Roi Et

The UV Index shows a striking progression throughout the day, beginning at a mere 1 at 7:00 AM and surging to its peak of 15 by 12:00 PM. As the sun reaches its zenith, the intensity of ultraviolet radiation escalates, with values hitting 13 at both 11:00 AM and 1:00 PM. However, by 3:00 PM, a noticeable decline begins, with the index dropping to 7, and continuing to decrease towards evening, reaching 1 again by 5:00 PM. After sunset, the UV exposure plummets to 0 by 7:00 PM, illustrating a clear cycle of solar intensity that underscores the importance of sun protection during peak hours.

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	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	15	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	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Roi Et

The seasonal UV changes indicate a significant increase in UV Index values from January through July, peaking at 15 in May and July, classifying these months in the extreme exposure category with a rapid burn time of only 10 minutes. Following this peak, UV levels gradually decrease, yet September and October maintain an extreme risk with values of 13 and 12, respectively. As the year closes, November and December drop to a very high level at 10 and 9, allowing for a burn time of 15 minutes. Visitors and residents should exercise caution during high-risk months from February to October, particularly in the summer, by wearing protective clothing, using sunscreen, and seeking shade to reduce the risk of UV-related injuries.

Monthly Maximum UV Index for Roi Et, Thailand

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

The table above highlights how UV exposure in Roi Et 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.

Roi Et'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
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9
Roi Et	10	12	14	14	15	13	15	14	13	12	10	9