UV Index in San Mariano, Philippines

Last updated: July 2, 2025

Understanding the UV Index in San Mariano, Philippines is crucial for safeguarding your skin and overall health. With a climate characterized by high temperatures and tropical conditions, the region exposes residents and visitors to significant ultraviolet (UV) radiation. Knowing the daily UV levels can help you take essential precautions, such as seeking shade, wearing protective clothing, and applying sunscreen—particularly during peak hours when the UV index escalates to a maximum of 14 at noon. This awareness is vital for preventing sunburn and long-term skin damage, making it imperative to stay informed and take action against harmful UV exposure in San Mariano.

Hourly UV Index in San Mariano

The UV Index data for today reveals a dynamic sunlight experience throughout the hours. Starting low at 1 by 7:00 AM, the index surges to a peak of 14 by 12:00 PM. This midday sun intensity underscores the importance of sunscreen and protective gear. As the afternoon progresses, the UV index gradually declines, with readings of 12 at 1:00 PM and dropping to 6 by 3:00 PM. The later hours see a return to safer levels, with 1 at 5:00 PM and 6:00 PM, ultimately tapering off to 0 by 7:00 PM. Make sure to enjoy the sun responsibly during 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	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	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 San Mariano

The UV Index experiences a peak from March to October, remaining in the extreme category with values consistently at or above 13. Notably, the months of April and May record the highest UV Index at 15 and 13, respectively, indicating significant risk for skin damage. Residents and visitors should be especially cautious from March through October, as the burn time remains short at just 10 minutes during these months. In December, the UV Index drops slightly to 10, transitioning to the very high category, allowing for a slightly longer burn time of 15 minutes. To protect your skin, it is essential to wear sunscreen, seek shade, and wear protective clothing during these high-risk periods.

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
San Mariano	11	13	14	15	13	14	14	14	14	13	11	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