UV Index in Chanthaburi, Thailand

Last updated: July 2, 2025

Awareness of the UV Index in Chanthaburi, Thailand, is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels helps in preventing sunburn and promoting overall skin health, especially given the region's tropical climate where the sun can be particularly intense. In Chanthaburi, peak UV exposure typically occurs between 11:00 AM and 1:00 PM, with indices skyrocketing to 14. Thus, monitoring the UV Index is essential for anyone looking to enjoy outdoor activities safely while minimizing the risk of skin damage and long-term health issues. Stay informed, stay protected!

Hourly UV Index in Chanthaburi

The UV Index throughout the day reveals a dynamic and intense sun exposure pattern. Starting off at a mild 1 at 7:00 AM, the index rises steadily, reaching 3 by 8:00 AM. As the morning unfolds, the UV levels escalate, peaking at an impressive 14 from 12:00 PM to 1:00 PM, marking the highest point of sun intensity. Even as the afternoon progresses, the index remains robust, at 11 by 2:00 PM and descending gradually to 7 by 3:00 PM. The sun starts to soften in the late afternoon, with readings dropping to 2 by 5:00 PM. By 6:00 PM, the UV exposure falls to 1, and after 7:00 PM, it rounds off at 0, signaling the end of the sun’s harsh effects for the day. It’s essential to stay protected during those peak hours, especially between 11:00 AM and 1:00 PM, to shield against the sun's strongest rays.

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	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	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chanthaburi

Throughout the year, the UV Index remains consistently high, particularly from January to October, where it frequently reaches extreme levels of 11 to 15. This period indicates a high risk of harm from unprotected sun exposure, with a rapid burn time of just 10 minutes for most months. March stands out as the peak month with a UV Index of 15, signaling an urgent need for protective measures. November and December show a slight decline, with UV Index values of 11 and 10, respectively, but still warrant caution as they are categorized as very high and high. To ensure safety, residents and visitors alike should adopt robust sun protection strategies, including wearing sunscreen, protective clothing, and seeking shade, especially during the high-risk months.

Monthly Maximum UV Index for Chanthaburi, Thailand

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

The table above highlights how UV exposure in Chanthaburi 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.

Chanthaburi'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
Chanthaburi	11	13	15	14	14	13	14	14	14	13	11	10