UV Index in San Alfonso, Philippines

Last updated: July 2, 2025

Understanding the UV Index in San Alfonso, Philippines is crucial for protecting your skin and overall health. With scorching sun exposure typical in this tropical climate, being aware of UV levels can help you take proactive steps to prevent sunburn and long-term skin damage. At midday, when the UV Index peaks at a staggering 14, the risk of harm is significantly elevated, making it essential to seek shade and apply sunscreen. As UV levels vary throughout the day, keeping track of these fluctuations ensures you enjoy the beautiful outdoors while safeguarding your well-being.

Hourly UV Index in San Alfonso

The UV Index today shows a dramatic rise and fall, reflecting the sun's intensity throughout the day. At 7 AM, it begins quietly at 2, but by 8 AM, it doubles to 4. The peak occurs between 10 AM and 12 PM, where the index soars to a striking 14, signaling high risk for unprotected skin. As the afternoon progresses, the levels begin to taper off, starting at 12 by 1 PM and falling to 5 by 3 PM. By 4 PM, the UV Index drops to 2, and by 5 PM, it reaches a minimal 1, before finally settling at 0 post-6 PM. This data underscores the importance of sun protection during the midday hours when UV exposure is at its highest.

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	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 San Alfonso

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 Alfonso, Philippines

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

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