UV Index in Si Sakhon, Thailand

Last updated: July 2, 2025

In Si Sakhon, Thailand, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's tropical climate, residents and visitors alike are exposed to varying levels of ultraviolet radiation throughout the day. Understanding these levels, especially during peak times when the UV Index can soar to 13, is essential for protecting against harmful effects, such as skin damage and increased cancer risk. As you enjoy the sun-soaked days in Si Sakhon, staying informed about UV exposure can help ensure your outdoor adventures are both safe and enjoyable.

Hourly UV Index in Si Sakhon

As the sun rises, the UV Index begins its gradual ascent, hitting a mild 1 by 7:00 AM. The intensity grows steadily, reaching 2 by 8:00 AM and then surging to 5 at 9:00 AM. By 10:00 AM, the index peaks at a robust 8, warning of increasing exposure risk. 11:00 AM sees the UV rays intensify to an impressive 11, leading to a maximum of 13 at 12:00 PM, making it critical to stay protected. The afternoon sun starts to mellow out, dropping to 12 by 1:00 PM, then gradually tapering off to 10 at 2:00 PM, 6 at 3:00 PM, and further declining to 3 at 4:00 PM. Finally, as evening descends, the index falls to 1 by 5:00 PM and remains at that level through 6:00 PM, until fading to 0 after sunset at 7:00 PM. Stay vigilant and shield yourself during those peak 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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	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 Sakhon

The UV Index demonstrates a notably high level of ultraviolet radiation exposure throughout the year, with consistently extreme levels observed from January to November. This indicates that the high-risk months for sunburn are primarily during these months, especially from March to May when the UV Index peaks at 16. Visitors and residents should take precautions by wearing protective clothing, applying broad-spectrum sunscreen, and limiting sun exposure to 10 minutes when outdoor. As UV levels are consistently extreme, ongoing awareness and protective measures are crucial year-round to safeguard against skin damage.

Monthly Maximum UV Index for Si Sakhon, Thailand

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

The table above highlights how UV exposure in Si Sakhon 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 Sakhon'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 Sakhon	13	15	16	15	14	13	13	14	14	14	12	12