UV Index in Si Satchanalai, Thailand

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Si Satchanalai, Thailand, as it provides essential information about the sun's intensity and helps you protect your skin from harmful UV rays. With UV levels peaking at a dangerous 14 during midday hours, awareness is key to preventing sunburn and maintaining long-term skin health. Si Satchanalai's tropical climate can bring significant exposure risks, especially during the hottest hours of the day. Stay informed, take precautions, and enjoy the beautiful outdoors safely!

Hourly UV Index in Si Satchanalai

The UV Index begins its ascent at 7:00 AM, starting modestly at 1, but by 9:00 AM, it escalates to a more noticeable 6. The real surge occurs around 11:00 AM, peaking at an intense 12 and reaching its highest point of 14 by noon and 1:00 PM. As the afternoon progresses, the intensity starts to wane, dipping to 11 at 2:00 PM, and then gradually decreasing to 8 by 3:00 PM. As the sun sets, the UV levels drop swiftly, dropping to 4 at 4:00 PM, and ultimately retreating to a mere 1 by 6:00 PM and 0 by 7:00 PM. Throughout the day, it's clear to stay protected during those peak hours when the UV exposure could be most harmful.

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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 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 Si Satchanalai

During the year, UV Index levels fluctuate significantly, with the highest risk months occurring from March to October, where the UV Index reaches an extreme level of 13 to 14 and the burn time is as short as 10 minutes. In contrast, January, November, and December present a lesser risk, categorized as very high, with burn times increasing to 15 minutes. Residents and visitors are strongly advised to take precautions during the high UV months, including using sunscreen, wearing protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. when the sun's rays are the most intense. Prioritizing skin protection is essential to prevent sunburn and long-term skin damage.

Monthly Maximum UV Index for Si Satchanalai, Thailand

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

The table above highlights how UV exposure in Si Satchanalai 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 Satchanalai'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
Si Satchanalai	9	11	13	13	14	13	14	14	14	13	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