UV Index in Sai Noi, Thailand

Last updated: May 3, 2025

In Sai Noi, Thailand, awareness of the UV Index is crucial for protecting your skin from the sun's harmful rays. Understanding UV levels not only helps prevent painful sunburns but also plays a significant role in maintaining overall skin health. This region, characterized by its hot tropical climate, presents unique challenges when it comes to UV exposure, especially during peak hours when the UV Index can soar to 13. By staying informed and taking appropriate precautions, residents and visitors can enjoy the beautiful Thai sun safely.

Hourly UV Index in Sai Noi

As the day unfolds, the UV Index rises dramatically, peaking at 13 around 12:00 PM, signaling a maximum level of sun intensity. Early morning hours start off mild, with a low of 1 at 07:00 and climbing steadily to 6 by 09:00. The sun reaches its zenith at 11:00, with a value of 12, before gradually declining through the afternoon. By 15:00, the index drops to 6, further falling to 3 by 16:00 and finally returning to a safe 1 by 17:00. As twilight approaches, the index settles to 0 after 19:00, providing a serene close to the day. Remember to protect your skin during the peak hours from 10 AM to 2 PM, when the sun's rays are most potent!

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	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 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