UV Index in Lahan Sai, Thailand

Last updated: July 2, 2025

In Lahan Sai, Thailand, being aware of the UV Index is crucial for protecting your skin and overall health. With peak UV levels frequently reaching 14 around midday, understanding these fluctuations helps you take proactive steps against sunburn and long-term skin damage. The tropical climate of Lahan Sai exposes residents and visitors to significant UV risks, especially during the sunniest hours. By staying informed about the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin with proper precautions.

Hourly UV Index in Lahan Sai

Starting the day at a mild UV Index of 1 at 7:00 AM, the sun gradually climbs its way to peak intensity. By 10:00 AM, the index hits a striking 10, climbing to its maximum of 14 at noon, presenting a high risk of harm from unprotected sun exposure. As the afternoon progresses, the UV levels remain elevated at 13 from 12:00 to 1:00 PM but then begin to taper off by 3:00 PM, dropping to 7. The evening brings a significant decrease, with the index falling back to 1 by 5:00 PM and fading into 0 as the sun sets at 7:00 PM. It's essential to take precautions during those peak 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	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	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	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 Lahan Sai

The UV Index experiences significant fluctuations throughout the year, peaking from February to October, categorized as having an extreme exposure risk with a consistent index of 14 during the late spring and summer months. January and December present lower risks with UV Index ratings of 10 and 9, respectively, although they still fall within the very high exposure category. Visitors and residents should be particularly cautious from February to October, as these months pose the greatest risk for skin damage, with a burn time as short as 10 minutes during peak hours. It’s crucial to wear protective clothing, seek shade, and apply broad-spectrum sunscreen to minimize the risk of harm during these high-risk months.

Monthly Maximum UV Index for Lahan Sai, Thailand

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

The table above highlights how UV exposure in Lahan Sai 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.

Lahan Sai'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
Lahan Sai	10	13	14	14	14	14	14	14	14	13	11	9