UV Index in Nakhon Ratchasima, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Nakhon Ratchasima, Thailand, where the tropical climate brings prolonged sunlight and heightened UV exposure risks. Awareness of UV levels is essential for sunburn prevention and maintaining skin health, especially during the peak hours when the index can reach a staggering 14 at noon. With the index rising sharply from 3 in the morning to 13 by midday, it's important to protect your skin and enjoy outdoor activities safely in this vibrant region. Stay informed and safeguard your health against harmful UV rays!

Hourly UV Index in Nakhon Ratchasima

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 Nakhon Ratchasima

Throughout the year, UV levels exhibit significant seasonal variation, with the highest risk months being February to September, where the UV Index consistently reaches extreme levels of 13 to 14 and a burn time as short as 10 minutes. Visitors and residents should exercise extra caution during these months, particularly in midday hours, to avoid skin damage. January, November, and December see very high UV levels (Index of 9 and 10), allowing slightly longer burn times of 15 minutes, yet protective measures remain essential. It is advisable to wear protective clothing, apply sunscreen regularly, and seek shade, especially during peak UV hours, to ensure safety from harmful sun exposure.

Monthly Maximum UV Index for Nakhon Ratchasima, Thailand

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

The table above highlights how UV exposure in Nakhon Ratchasima 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.

Nakhon Ratchasima'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
Nakhon Ratchasima	9	13	14	14	14	13	14	14	13	13	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9