UV Index in Sai Noi, Thailand

Last updated: June 2, 2025

In Sai Noi, Thailand, maintaining awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential, especially given the region's tropical climate, which exposes residents and visitors to intense sunlight year-round. High UV readings can lead to painful sunburns and long-term skin damage, making it vital to monitor conditions throughout the day. With peak UV levels reaching up to 12 around midday, knowing when to seek shade and wear protective gear can help you enjoy the beautiful sun while safeguarding your skin.

Hourly UV Index in Sai Noi

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 08:00, it escalates to 3, hinting at the day's potential. The intensity climbs steadily, reaching a striking 5 by 09:00 and peaking at an impressive 12 by noon, a time when sun safety becomes crucial. The afternoon radiates warmth with values of 11 at 13:00 and 9 at 14:00, before gradually descending to 6 by 15:00. As the day winds down, the UV Index dips to 4 at 16:00 and down to a safe 1 by 18:00, ultimately dropping to 0 by 19:00. This highlights the importance of UV awareness, especially during the midday hours when exposure is at its highest.

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	11	extreme	10 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 Sai Noi

The UV Index exhibits significant seasonal variation, with the highest values occurring from February to October, indicating an extreme risk for sun exposure, particularly from March to September, where the UV Index remains consistently high at 12-13. During these months, burn times are dangerously short, with just 10 minutes of unprotected sun exposure leading to potential skin damage. January, November, and December see slightly lower indices at 9 and 8, categorizing them as very high, but with extended burn times of 15 minutes. Visitors and residents are highly advised to take precautionary measures during the high-risk months by wearing sunscreen, protective clothing, and seeking shade during peak sun hours to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Sai Noi, Thailand

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

The table above highlights how UV exposure in Sai Noi 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 Noi'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
Sai Noi	9	11	12	13	13	12	13	13	13	11	9	8
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