UV Index in San Antonio, Philippines

Last updated: June 2, 2025

Understanding the UV Index in San Antonio, Philippines is crucial for maintaining skin health and preventing sunburn. With the city's tropical climate, residents and visitors are often exposed to high UV levels, especially during midday when the index can soar to a dangerous 13. Being aware of UV levels not only helps protect against immediate sun damage but also reduces the long-term risks of skin conditions. By regularly checking the UV Index, you can make informed choices about sun protection, ensuring that your outdoor activities remain safe and enjoyable in San Antonio's vibrant sun.

Hourly UV Index in San Antonio

The UV Index throughout the day paints a striking picture of sun exposure. Starting at 2 at 7:00 AM, it steadily climbs to a peak of 13 between 11:00 AM and 12:00 PM, indicating a high risk for unprotected skin. As the day progresses, the intensity begins to wane, dropping to 4 by 3:00 PM before fading to 0 by 6:00 PM. The ideal time for outdoor activities with minimal risk is between 9:00 AM and 2:00 PM, when the index hits an impressive 11 and 13. However, caution is advised during the peak hours when the sun is most aggressive. Always remember to protect your skin!

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	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 Antonio

The UV Index data highlights significant seasonal variations in ultraviolet radiation exposure, presenting a consistent extreme risk throughout the year. The highest UV Index readings occur from February to March, peaking at 16, indicating that these months pose the greatest risk for sunburn, with a burn time of just 10 minutes. Although UV levels decrease slightly in the summer months of June, July, and August, they remain in the extreme category. Visitors and residents should prioritize sun safety, especially from February to September, ensuring proper sun protection measures are in place such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade during peak hours. It is vital to remain vigilant year-round given the sustained high UV levels across all months.

Monthly Maximum UV Index for San Antonio, Philippines

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

The table above highlights how UV exposure in San Antonio 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 Antonio'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
San Antonio	13	15	16	15	15	13	14	14	15	14	13	11
Davao UVI	13	15	16	15	15	13	14	14	15	14	13	11