UV Index in San Luis, Philippines

Last updated: June 2, 2025

Understanding the UV Index in San Luis, Philippines is crucial for safeguarding your skin and overall health. With the tropical climate classified as a warm Af zone, residents and visitors are frequently exposed to varying levels of ultraviolet radiation throughout the day. As the UV Index can peak at a high of 14 between 11:00 AM and 12:00 PM, it’s essential to know these levels to prevent sunburn and long-term skin damage. By staying informed, you can enjoy the beautiful sunny days of San Luis while effectively protecting yourself against the risks associated with high UV exposure.

Hourly UV Index in San Luis

The UV Index on this particular day indicates a dynamic pattern of sun exposure. Beginning at a mild 2 at 07:00, the levels steadily rise to a peak of 14 from 11:00 to 12:00, signaling the most intense sun intensity during midday. As the afternoon progresses, the index gradually declines, with values dropping to 9 at 14:00, and further easing to 6 by 15:00. By evening, the UV Index recedes to 1 at both 17:00 and 18:00, ultimately reaching a low of 0 by 19:00. This data highlights the importance of seeking shade and applying sunscreen during peak hours to safeguard against harmful UV 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	4	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	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 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