UV Index in Si Sawat, Thailand

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Si Sawat, Thailand—a region characterized by its sun-soaked Aw climate. With daily UV levels soaring to a peak of 14 around midday, it's essential to recognize the potential risks associated with high UV exposure, including painful sunburn and long-term skin damage. By staying informed about the UV Index, you can take proactive steps to protect your skin and enjoy the vibrant outdoor lifestyle that Si Sawat offers while minimizing health risks from the sun.

Hourly UV Index in Si Sawat

As the sun rises, the UV Index starts off low at 1 by 7:00 AM, gradually climbing to a moderate 3 by 8:00 AM. However, by 9:00 AM, it takes a sharp leap to 6, signaling that sun protection should be considered. The peak intensity occurs at 12:00 PM, hitting a striking 14, where the sun’s rays are most potent and precautions are essential. The afternoon sees a slight decline, dropping to 11 by 2:00 PM, before further retreating to 8 at 3:00 PM. As the day winds down, the index decreases steadily, settling at 1 by 6:00 PM and fading to 0 by 7:00 PM. This data highlights the importance of staying vigilant during peak hours to protect yourself from harmful UV exposure.

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	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 Sawat

The UV Index shows significant seasonal variations, with extreme levels persisting from January to September. The highest index of 15 occurs in August, indicating that this month, along with July and June, presents the greatest risk for sunburn, with a burn time of just 10 minutes. As autumn approaches, the UV Index gradually decreases, falling to 10 in November and 9 in December, which are still categorized as very high, allowing for a slightly longer burn time of 15 minutes. Residents and visitors need to remain vigilant during high-risk months, especially from February through September, ensuring proper sun protection measures are taken to minimize the risk of skin damage. Regular application of sunscreen, wearing protective clothing, and seeking shade are essential strategies during these months.

Monthly Maximum UV Index for Si Sawat, Thailand

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

The table above highlights how UV exposure in Si Sawat 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 Sawat'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 Sawat	11	13	14	14	14	14	14	15	14	13	10	9