UV Index in Union, Philippines

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Union, Philippines—a tropical paradise that experiences high levels of sun exposure year-round. With the UV Index peaking at 13 around noon, awareness of these levels is essential for protecting your skin from sunburn and long-term health risks. The Am climate in Union brings warm temperatures and consistent sunlight, which means that knowing when to seek shade and wearing proper sun protection can make all the difference in maintaining your skin health. Stay informed and enjoy the sun safely!

Hourly UV Index in Union

The UV Index throughout the day showcases a striking pattern of intensity, peaking sharply around 11:00 AM and 12:00 PM with a robust 13, signaling a high risk for sun exposure during these hours. Early morning starts gently at 2 at 7:00 AM, then steadily climbs, passing through moderate levels at 8:00 AM and 9:00 AM, before reaching a critical point with a 10 at 10:00 AM. Post-noon, the index gradually declines, dropping to 6 by 3:00 PM and further to a much safer 1 by the evening at 5:00 PM and 6:00 PM, where it ultimately settles at 0 by nightfall. To enjoy the sun while protecting your skin, plan outdoor activities early or enjoy them after 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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Union

Throughout the year, UV index levels in this region remain consistently high, peaking in March and April with a UV index of 16, categorizing these months as high-risk for sun exposure. From January to May, and again from August to October, the UV index stays within the extreme category (ranging from 12 to 16), indicating that even short periods of sun exposure can lead to severe skin damage, with a burn time of just 10 minutes. Residents and visitors are strongly advised to take precautions during these months by wearing protective clothing, applying high-SPF sunscreen, and seeking shade whenever possible, especially during peak sunlight hours. Remember, the risk of UV radiation is significant year-round, so continuous vigilance is essential.

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	14	14	15	15	14	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