UV Index in Sai Mun, Thailand

Last updated: July 2, 2025

In Sai Mun, Thailand, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage, making it essential for locals and visitors alike. Given Sai Mun's tropical Aw climate, the potential for high UV exposure is a daily concern, especially during peak hours when the UV Index can soar to 15 around noon. By staying informed about the UV Index, you can take proactive steps to enjoy the sun safely, ensuring your outdoor activities don’t come at the cost of your skin's health.

Hourly UV Index in Sai Mun

The UV Index presents a fascinating hourly journey throughout the day. It begins gently at 1 at 07:00, but as the sun climbs higher, the intensity peaks dramatically. By 10:00, it hits 11, and the sun is truly bearing down, reaching a maximum of 15 at 12:00. The afternoon sees a slight decline, with values addressing safety as we pass 14:00 at 10 and descend to 3 by 16:00. Finally, as the day winds down, the UV Index dips back to 1 by 17:00, and then fades to 0 as the sun sets at 19:00. It's a vivid reminder to embrace sun safety during the brightest parts of the day!

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	11	extreme	10 min
11:00	13	extreme	10 min
12:00	15	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	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 Sai Mun

Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with the highest readings occurring between February and July, where the index remains consistently in the extreme category (10-15), indicating a burn time of just 10 minutes. Notably, April, May, and July show the peak UV Index of 15, marking them as critical months for sun exposure. The high-risk months for UV exposure are therefore identified as February through July, suggesting that visitors and residents should take extra precautions during this period by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. Conversely, November and December see a decrease in UV levels, transitioning to a very high category with prolonged burn times of 15 minutes, though caution is still advised, especially during peak sunlight.

Monthly Maximum UV Index for Sai Mun, Thailand

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

The table above highlights how UV exposure in Sai Mun 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.

Sai Mun'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
Sai Mun	10	13	14	15	15	13	15	14	14	12	10	9