UV Index in Changhan, Thailand

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Changhan, Thailand, where the sun shines brightly in a typical Aw climate. Knowing the UV levels can significantly impact your skin health, helping to prevent painful sunburns and long-term skin damage. In Changhan, the UV Index reaches its peak during midday hours, with values soaring to 14 at noon, making awareness essential for everyone who enjoys the outdoors. Protect yourself and your loved ones by staying informed about UV exposure risks and taking the necessary precautions to bask safely in the tropical sun.

Hourly UV Index in Changhan

The UV Index throughout the day reveals a dynamic shift in sun intensity. As early as 7:00 AM, it starts at a moderate level of 1, but by 9:00 AM, it climbs to a more potent 7. The peak arrives around 12:00 PM, hitting an intense 14, signaling the need for sun protection. As the afternoon progresses, the index gradually declines, reaching 6 by 3:00 PM, then trailing off to 1 by 5:00 PM and below, settling at 0 by 7:00 PM. This data underscores the importance of being vigilant during midday hours when UV exposure is at its highest. Stay safe and enjoy the sun wisely!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	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 Changhan

Throughout the year, the UV Index exhibits significant seasonal changes, peaking during the warmer months. The high-risk months characterized by an extreme exposure category include February through October, with a maximum UV Index of 14 recorded from March to August. During these months, residents and visitors should be particularly cautious, as the burn time is as low as 10 minutes, emphasizing the need for effective sun protection. Conversely, November and December, along with January, present lower UV levels, falling into the very high category, with slightly longer burn times of 15 minutes. It is advisable for everyone to monitor the UV Index daily, wear protective clothing, apply sunscreen diligently, and seek shade during peak sun hours to safeguard against harmful UV exposure.

Monthly Maximum UV Index for Changhan, Thailand

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

The table above highlights how UV exposure in Changhan 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.

Changhan'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
Changhan	9	12	14	14	14	13	14	14	13	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9