UV Index in Union, Philippines

Last updated: June 2, 2025

Understanding the UV Index in Union, Philippines, is crucial for protecting your skin and overall health. With the tropical climate typical of this region, the sun can be particularly harsh, exposing residents and visitors to high levels of ultraviolet radiation. Knowing the UV levels helps in preventing sunburn and long-term skin damage. For instance, during peak hours around noon, the UV Index can soar to a blistering 13—an indicator that precautions are necessary. Stay informed and safeguard your skin while enjoying the vibrant sunshine of Union!

Hourly UV Index in Union

The UV index throughout the day presents an intriguing journey of exposure, peaking at 13 from 11:00 AM to 12:00 PM—the sun's most intense moment. Starting from a modest 2 at 7:00 AM, the index swiftly escalates, hitting 4 by 8:00 AM and soaring to a substantial 11 at 10:00 AM. Just one hour later, it reaches its zenith, radiating at 13, before gradually descending as the afternoon wanes. By 3:00 PM, it's a more manageable 5, eventually dwindling down to 0 by 7:00 PM, signaling a safe retreat from the sun's rays. This dynamic UV pattern serves as a reminder to stay vigilant under the sun, especially during its peak hours when protective measures are essential.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Union

The UV Index exhibits extreme levels throughout the year, with a notable peak from March to May, where it reaches a maximum of 16 during March and April. The high-risk months for sun exposure are March, April, and August, where visitors and residents should remain particularly vigilant. With a consistent burn time of just 10 minutes, it is crucial for everyone to take protective measures, including wearing sunscreen, seeking shade, and donning hats and sunglasses whenever outdoors. As UV levels remain elevated, staying informed and proactive about skin protection is essential for maintaining health and well-being throughout the year.

Monthly Maximum UV Index for Union, Philippines

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

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

Union's solar exposure compared to other cities in Philippines. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caloocan City UVI	11	13	15	15	13	14	13	14	14	13	10	10
Quezon City UVI	11	13	15	15	13	14	13	14	14	13	10	10
Manila UVI	11	13	14	14	13	13	13	14	14	13	10	10
Union	12	14	16	16	14	13	13	14	14	13	12	11
Budta UVI	13	15	16	16	14	13	14	14	15	14	13	11
Davao UVI	13	15	16	15	15	13	14	14	15	14	13	11