UV Index in San Luis, Philippines

Last updated: May 3, 2025

Understanding the UV Index in San Luis, Philippines is essential for safeguarding your skin and overall health. With high UV levels peaking at 15 during midday, awareness of these fluctuations can play a crucial role in prevention of sunburn and long-term skin damage. The subtropical climate of San Luis means residents and visitors alike are frequently exposed to the sun's rays, making it vital to monitor UV exposure to enjoy the beautiful outdoors safely. Stay informed and take proactive measures to protect yourself from the harmful effects of UV radiation while basking in San Luis's sunny skies!

Hourly UV Index in San Luis

As the sun rises, the UV Index starts off gently at 2 at 07:00, but it quickly escalates, reaching a notable 5 by 08:00. By 09:00, it spikes to 9, signaling a strong need for sun protection. The intensity peaks at 12:00, where the index hits 15, marking the sun’s midday strength. As the afternoon progresses, the index gradually declines; it remains robust at 12 during 13:00, before decreasing to 9 by 14:00. As the day winds down, the UV levels dip to 5 by 15:00, falling further to 2 by 16:00, and then tapering off to 1 at 17:00. By 18:00 and into the evening, the UV Index settles at 0, indicating a safe reprieve from sun exposure.

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	9	very high	15 min
10:00	12	extreme	10 min
11:00	15	extreme	10 min
12:00	15	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 San Luis

Throughout the year, there are significant fluctuations in UV Index levels, with particularly high-risk months occurring from January to September. During this period, the UV Index remains consistently between 12 and 16, classified as extreme exposure levels that allow for a rapid burn time of just 10 minutes. Visitors and residents should take careful precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during peak sunlight hours. As the year progresses into October through December, the UV Index decreases slightly, yet remains at considerable levels (12-14), warranting ongoing sun protection measures. Always prioritize skin safety, regardless of the season.

Monthly Maximum UV Index for San Luis, Philippines

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

The table above highlights how UV exposure in San Luis 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 Luis'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 Luis	13	15	16	16	15	14	14	14	15	14	13	12