UV Index in Santiago, Philippines

Last updated: June 2, 2025

In Santiago, Philippines, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the sun's ultraviolet radiation levels helps residents take proactive steps to prevent sunburn and long-term skin damage. With its tropical climate, Santiago often experiences intense sunlight, peaking at a UV Index of 13 around noon, which signifies extreme risk of harm from unprotected sun exposure. By staying informed about local UV levels, you can enjoy the outdoors safely while safeguarding your skin's health.

Hourly UV Index in Santiago

The UV index throughout the day presents an intriguing journey of exposure, peaking at 13 from 11:00 AM to 12:00 PM—the sun's most intense moment. Starting from a modest 2 at 7:00 AM, the index swiftly escalates, hitting 4 by 8:00 AM and soaring to a substantial 11 at 10:00 AM. Just one hour later, it reaches its zenith, radiating at 13, before gradually descending as the afternoon wanes. By 3:00 PM, it's a more manageable 5, eventually dwindling down to 0 by 7:00 PM, signaling a safe retreat from the sun's rays. This dynamic UV pattern serves as a reminder to stay vigilant under the sun, especially during its peak hours when protective measures are essential.

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	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	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 Santiago

Throughout the year, the UV Index remains consistently high, indicating an extreme exposure category across all months. From January to March, the UV Index peaks at 16, with a rapid burn time of just 10 minutes. Notably, March marks the highest UV Index reading, signaling a period of significant risk for skin damage. As spring transitions to summer, the UV Index remains elevated, with April through June displaying values between 13 to 16. Although it slightly decreases in the latter half of the year, August to October still see a UV Index of 14, maintaining a high risk for UV exposure. Given this data, it is crucial for visitors and residents to be vigilant during these high-risk months. Protective measures such as wearing sunscreen, protective clothing, and seeking shade are highly recommended, particularly during peak sunlight hours. Prioritize skin health by minimizing exposure, especially in the peak months of March and April.

Monthly Maximum UV Index for Santiago, Philippines

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

The table above highlights how UV exposure in Santiago 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.

Santiago'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
Santiago	13	13	16	16	14	13	13	14	14	14	12	11
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