UV Index in Si Rattana, Thailand

Last updated: July 2, 2025

In Si Rattana, Thailand, awareness of the UV Index is crucial for safeguarding your skin health and preventing painful sunburns. With the tropical Aw climate, residents and visitors alike are exposed to varying UV levels throughout the day, peaking at a hazardous 14 between noon and 1 PM. Understanding these levels helps you take proactive measures against UV radiation, ensuring you can enjoy the beautiful outdoors safely. Stay informed, protect your skin, and embrace the vibrant sun while being mindful of UV exposure!

Hourly UV Index in Si Rattana

As the sun rises, the UV Index starts off low at 1 by 07:00, but quickly escalates as the day progresses. By 09:00, it reaches 7, signaling the need for protection. 10:00 marks the peak at an intense 10, followed closely by a striking 13 at 11:00. The UV rays hit their highest point at 12:00 with a staggering 14, urging everyone to take caution. The intensity begins to taper off in the early afternoon, dropping to 10 by 14:00, and easing further to 7 at 15:00. As the day wanes, the UV Index dips to 3 by 16:00, and then back to a safe 1 at 17:00 and 18:00, wrapping up as the sun sets with a 0 at 19:00. It's a clear reminder that when outdoors, sun safety is paramount during the midday 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	14	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 Si Rattana

Throughout the year, UV Index levels exhibit significant variability, with the most intense exposure occurring from February to October. During this period, the UV Index reaches extreme levels, particularly peaking at 15 in April and May, resulting in a burn time as short as 10 minutes. The high-risk months are clearly highlighted from February through October, with recommendations for visitors and residents to take strict precautions when outdoors. It is crucial to wear protective clothing, use broad-spectrum sunscreen, and seek shade during peak sunlight hours. Although January and December have lower levels, it is still advisable to remain aware of UV exposure, especially for prolonged outdoor activities. By staying vigilant, individuals can better protect themselves from the harmful effects of UV radiation year-round.

Monthly Maximum UV Index for Si Rattana, Thailand

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

The table above highlights how UV exposure in Si Rattana 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.

Si Rattana'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
Si Rattana	10	13	14	15	15	13	14	14	14	12	11	9