UV Index in Rosario, Philippines

Last updated: May 3, 2025

Understanding the UV Index is essential for residents and visitors in Rosario, Philippines, where the tropical climate invites abundant sunshine but also raises the risk of harmful UV exposure. Being aware of the UV levels helps you take proactive measures against sunburn and long-term skin damage, safeguarding your skin health for years to come. With peak UV Index readings soaring to 14 around noon, it’s crucial to recognize when the sun's rays are most intense and take appropriate precautions. Whether you're enjoying outdoor activities or simply soaking in the sun, adapting to the unique climate of Rosario can help you enjoy the beautiful weather safely.

Hourly UV Index in Rosario

The UV Index today paints a vivid picture of sun intensity throughout the day. Early risers will experience a gentle start at 07:00 with a low of 2, slowly escalating to a more noticeable 4 by 08:00. As the sun climbs higher, the UV Index reaches a peak of 14 at 12:00—the critical midday moment when sun protection is essential. From there, it begins to taper off, dropping to 12 at 13:00 before plunging down to 1 by 17:00. As evening approaches, UV exposure decreases, ultimately settling at 0 by 19:00. Remember to stay sun-safe during those peak hours!

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	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Rosario

Throughout the year, UV Index values remain consistently high, indicating extreme exposure risk from January through October, with the highest index of 15 occurring in August. As such, the months of July and August are particularly critical, warranting heightened caution. Visitors and residents should take preventive measures from January to October, ensuring they employ sun protection strategies such as wearing sunscreen, protective clothing, and sunglasses when outdoors, especially during peak hours. In contrast, the burn time extends slightly in December to 15 minutes, signaling a slightly reduced risk, yet precautions are still advisable. Overall, vigilance is essential year-round to safeguard against potential UV damage.

Monthly Maximum UV Index for Rosario, Philippines

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

The table above highlights how UV exposure in 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.

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
Rosario	11	13	14	14	13	14	14	15	14	13	11	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