UV Index in Santo Rosario, Philippines

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Santo Rosario, Philippines, where the tropical climate brings with it significant sun exposure. By staying aware of UV levels, you can take proactive steps to prevent sunburn and protect your skin health, ensuring that you enjoy the sun without the risk of harmful consequences. With peak UV readings reaching as high as 14, particularly during midday hours, it's essential to be informed about the risks associated with outdoor activities in this vibrant locale, especially considering the region's warm, sun-soaked days.

Hourly UV Index in Santo Rosario

As the sun rises, the UV Index begins its ascent, with a gentle maximum of 2 at 07:00. The intensity ramps up quickly, hitting 4 by 08:00 and dramatically soaring to a peak of 14 between 11:00 and 12:00. This highlights the midday sun's strength, making it essential to take precautions during those hours. By 01:00, the index slightly declines to 13, before tapering off to 10 at 14:00. As the afternoon progresses, the UV exposure drops significantly, recorded at 6 by 15:00 and continuing to decrease to 1 by 17:00 and 18:00. With the sunset approaching, the UV Index reaches 0 at 19:00, signaling that the day's perilous rays have retreated, allowing for a more relaxed evening.🌞

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	14	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	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 Santo Rosario

The UV Index exhibits extreme levels from January to October, peaking at 15 in April. Visitors and residents are at high risk for sunburn throughout these months, with a rapid burn time of just 10 minutes during that period. As we move into November and December, the index decreases slightly to 10, categorized as very high, with a burn time extending to 15 minutes. Given these conditions, it is crucial for everyone to take precautionary measures by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours, especially from March through October, when exposure is at its highest.

Monthly Maximum UV Index for Santo Rosario, Philippines

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

The table above highlights how UV exposure in Santo Rosario 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.

Santo Rosario'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
Santo Rosario	11	13	14	15	13	14	14	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