UV Index in Angkor Thum, Cambodia

Last updated: July 2, 2025

Understanding the UV Index in Angkor Thum, Cambodia is crucial for residents and visitors alike, as awareness of UV levels can significantly impact sunburn prevention and overall skin health. Located in a tropical climate characterized by intense sunshine, Angkor Thum experiences high UV exposure, especially during midday with indices soaring to a dangerous 14. By familiarizing yourself with the UV Index, you can take proactive steps to protect your skin from harmful rays and enjoy your time exploring the breathtaking temples and lush landscapes without risking sun damage.

Hourly UV Index in Angkor Thum

As the sun rises, the UV Index begins its steady climb, starting at a mild 1 by 7:00 AM. By 8:00 AM, it nudges up to 3, signaling the need for some caution. The intensity reaches a notable 6 by 9:00 AM, but it’s from 10:00 AM to 12:00 PM when the sun truly asserts its power, peaking at a scorching 14 at noon. Fortunately, the index starts to dip slightly, maintaining a robust 10 at 2:00 PM before gradually descending to a 1 by late afternoon. As daylight wanes, the UV Index drops to 0 by 7:00 PM, bringing a welcome relief as the day comes to a close. Stay sun-smart and protect your skin 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	10	very high	15 min
15:00	7	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 Angkor Thum

The UV Index shows significant seasonal changes, with the highest levels occurring from February to May, where the Index reaches extreme values between 13 and 15. Notably, March and May are particularly high-risk months, featuring a UV Index of 15, resulting in a burn time of only 10 minutes. As exposure remains extremely dangerous from February through October, it is crucial for visitors and residents to take proactive measures during these months. This includes wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sun hours. In contrast, January and December present lower but still significant UV risks, categorized as very high with a burn time of 15 minutes. Stay vigilant and prioritize skin protection throughout the year to minimize UV-related health risks.

Monthly Maximum UV Index for Angkor Thum, Cambodia

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

The table above highlights how UV exposure in Angkor Thum compares to other major locations across Cambodia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Angkor Thum's solar exposure compared to other cities in Cambodia. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Battambang UVI	10	13	15	14	14	13	14	14	14	13	11	10
Siem Reap UVI	10	13	15	14	14	13	14	14	14	12	11	10
Angkor Thum	10	13	15	14	15	13	14	14	14	13	11	10
Phnom Penh UVI	10	14	15	15	14	13	14	14	14	13	11	10
Takeo UVI	10	14	15	15	15	13	14	14	14	13	11	10
Sihanoukville UVI	11	14	15	15	14	13	14	14	14	13	11	11