UV Index in Khao Yoi, Thailand

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Khao Yoi, Thailand, where the tropical climate intensifies sun exposure. With UV levels peaking dramatically at midday—reaching a staggering 14—it's vital to prioritize sunburn prevention and overall skin health. Awareness of these changing UV levels helps you enjoy outdoor activities safely while minimizing risks such as skin damage and long-term health issues. Given Khao Yoi's warm climate, understanding and monitoring UV exposure can make a significant difference in your daily sun safety practices.

Hourly UV Index in Khao Yoi

As the sun rises, the UV Index gradually climbs, peaking at an intense 14 between 12:00 PM and 1:00 PM. This midday spike signals a high-risk period for sun exposure, underlining the importance of protective measures. The UV Index starts off modest at 1 at 7:00 AM, then escalates to 5 by 9:00 AM. As the hours progress, it reaches a significant 12 at 11:00 AM, before hitting its maximum of 14 shortly thereafter. After this peak, a downward trend begins, dropping to 8 by 3:00 PM, then 4 at 4:00 PM, and finally waning to 1 by 6:00 PM. The day ends with a UV Index of 0 at 7:00 PM. For outdoor enthusiasts, this data underscores the need for vigilance, especially during the 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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	14	extreme	10 min
14:00	12	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 Khao Yoi

Throughout the year, UV Index levels reveal extreme exposure, particularly from January to October, reaching peaks of 14 in March, April, May, July, August, and September, with a consistent burn time of just 10 minutes. The high-risk months for UV exposure are from January to October, necessitating caution, as prolonged exposure within these months can result in severe sunburn. November and December see a slight decline in UV intensity to 10 and 9, respectively, categorized as very high, allowing for a marginally longer safe exposure time of 15 minutes. It's advised that both visitors and residents utilize sunscreen, protective clothing, and seek shade during peak hours, particularly in the extreme UV months, to safeguard against harmful effects.

Monthly Maximum UV Index for Khao Yoi, Thailand

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

The table above highlights how UV exposure in Khao Yoi 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.

Khao Yoi'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
Khao Yoi	11	13	14	14	14	13	14	14	14	13	10	9