UV Index in San Mariano, Philippines

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors of San Mariano, Philippines, where the sun shines brightly in an Af climate zone. Being aware of UV levels not only helps in preventing sunburn but also plays a crucial role in maintaining long-term skin health. With daily peaks reaching up to 13 around midday, the risks for overexposure are significant. Whether you're enjoying outdoor activities or simply soaking in the sun, staying informed about the UV Index can safeguard your skin and enhance your overall well-being.

Hourly UV Index in San Mariano

As the sun rises, the UV Index begins to climb, starting from a gentle 2 at 07:00. By 08:00, it ramps up to 5, signaling the need for some sun protection. The real intensity hits at 10:00, reaching a peak of 11, and by 11:00 and 12:00, it soars to 13—the core of the day where precautions are essential. As afternoon approaches, UV intensity starts to wane: it drops to 8 at 14:00 and further decreases to 4 by 15:00. The evening brings relief as the index falls to 2 at 16:00 and finally dwindles to 0 by 19:00. It's a clear reminder to stay vigilant during the peak hours to enjoy the sun safely!

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	5	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	4	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 San Mariano

The UV Index experiences extreme levels throughout the year, peaking in March with an index of 16. Notably, the months of February and April also reach a high of 15, while September and July closely follow with 14. Residents and visitors should be especially cautious from February to April, as these are the high-risk months for UV exposure, each requiring vigilance as the burn time is just 10 minutes across all months. It is advisable for everyone to apply broad-spectrum sunscreen, wear protective clothing, and seek shade whenever possible. Continuous awareness of UV exposure is essential year-round due to the consistently extreme exposure category.

Monthly Maximum UV Index for San Mariano, Philippines

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

The table above highlights how UV exposure in San Mariano 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.

San Mariano'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
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
San Mariano	13	15	16	16	15	13	14	14	15	14	13	12