UV Index in San Luis, Philippines

Last updated: February 8, 2026

Understanding the UV Index in San Luis, Philippines is crucial for safeguarding your skin and overall health. With the tropical climate of San Luis, where sun exposure is intense and prolonged, awareness of UV levels can help you take the necessary precautions against sunburn and long-term skin damage. The UV Index here peaks at a striking 15 around noon, highlighting the importance of protecting your skin during hours of highest exposure. By staying informed about the UV Index, residents can enjoy the beautiful weather while minimizing the risks associated with harmful ultraviolet radiation.

Hourly UV Index in San Luis

At sunrise, the UV Index starts at a mild 2 at 07:00, gradually climbing to 4 by 08:00. As the sun rises higher, the intensity peaks sharply at 15 around 12:00, marking the day’s highest UV exposure. The heat continues until about 13:00, when it dips slightly to 13, before tapering off to 10 by 14:00. Later in the afternoon, the UV Index significantly decreases to 6 at 15:00 and sinks to 3 by 16:00. By 17:00, it drops further to 1, and the sun sets, leaving the UV Index at a safe 0 by 19:00. It’s crucial to take precautions during those peak hours, especially between 10:00 and 14:00 when UV radiation is strongest.

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	60+ minutes
08:00	2	low	60+ minutes
09:00	5	moderate	30–60 min
10:00	9	very high	10–15 min
11:00	12	extreme	<10 minutes
12:00	13	extreme	<10 minutes
13:00	12	extreme	<10 minutes
14:00	9	very high	10–15 min
15:00	5	moderate	30–60 min
16:00	2	low	60+ minutes
17:00	1	low	60+ minutes
18:00	0	low	60+ minutes
19:00	0	low	60+ minutes

Monthly UV Index Trends in San Luis

Throughout the year, UV exposure remains exceptionally high, with an extreme UV Index starting from January and continuing through October. March and April notably reach a peak UV Index of 15. Residents and visitors should be particularly vigilant from February to August, as these months consistently show high UV values, emphasizing the need for protective measures. The recommended burn time remains as low as 10 minutes during peak months, urging individuals to wear sunscreen, protective clothing, and seek shade whenever possible. In November and December, while the UV Index decreases to 10, it still falls within the very high category, with a slightly extended burn time of 15 minutes. Continuous awareness and proactive skin protection are crucial year-round.

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
San Luis	11	13	14	15	14	14	15	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