UV Index in San Luis, Philippines

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of San Luis, Philippines, where the tropical climate can lead to elevated UV levels throughout the day. With peak values soaring as high as 14 around noon, awareness of UV exposure is vital for sunburn prevention and overall skin health. By monitoring the UV Index, you can better protect yourself and your loved ones from harmful effects, especially during the intense midday hours. In a place known for its sunny weather and routine outdoor activities, knowing when to seek shade or wear protection is essential for enjoying all that San Luis has to offer while keeping your skin healthy and safe.

Hourly UV Index in San Luis

The UV Index throughout the day showcases a dramatic rise and fall, peaking at an intense 14 at 11:00 AM. Early morning starts off mild, with a maximum of 2 at 7:00 AM, gradually escalating to 5 at 8:00 AM and hitting 8 by 9:00 AM. The sun’s strength reaches its zenith at 12 and 13 between 10:00 AM and 12:00 PM, making it essential for outdoor enthusiasts to take precautions during these hours. Following the high noon glow, the index begins to decline, dropping to 11 by 1:00 PM and sliding down to 8 at 2:00 PM. As the afternoon progresses, the intensity wanes, with the UV Index falling to 4 by 3:00 PM and dipping to 2 at 4:00 PM. As evening sets in, it relaxes further, falling to 1 by 5:00 PM and finally 0 after 6:00 PM, signaling a safe end to the day for 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	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	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 Luis

During the year, the UV Index remains consistently high, reflecting an extreme exposure category and a burn time of just 10 minutes across all months. The highest UV readings occur from February to April, peaking at 16, making these the high-risk months for sun exposure. Visitors and residents are advised to take precautionary measures, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours. Staying informed about UV levels can help mitigate the risks associated with prolonged sun exposure.

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	15	15	14	13	12