UV Index in Rosario, Philippines

Last updated: June 2, 2025

In Rosario, Philippines, awareness of the UV Index is crucial for everyone who enjoys the outdoors. Understanding UV levels not only helps in preventing sunburns but also plays a pivotal role in maintaining long-term skin health. With Rosario's hot tropical climate, residents and visitors face significant exposure risks, particularly during peak hours when the UV Index soars—reaching as high as 13 between noon and 1 PM. By staying informed about UV levels, you can take proactive measures to protect yourself and ensure your sun-filled days are both enjoyable and safe.

Hourly UV Index in Rosario

As the sun rises, the UV Index begins to climb, starting from a gentle 2 at 07:00. By 08:00, it ramps up to 5, signaling the need for some sun protection. The real intensity hits at 10:00, reaching a peak of 11, and by 11:00 and 12:00, it soars to 13—the core of the day where precautions are essential. As afternoon approaches, UV intensity starts to wane: it drops to 8 at 14:00 and further decreases to 4 by 15:00. The evening brings relief as the index falls to 2 at 16:00 and finally dwindles to 0 by 19:00. It's a clear reminder to stay vigilant during the peak hours to enjoy the sun safely!

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	5	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 Rosario

Throughout the year, the UV Index remains consistently extreme, with values peaking from March to May at a high of 16. The high-risk months for UV exposure are February to May, where the Index reaches an alarming 14 to 16, indicating that even short exposures of just 10 minutes can lead to skin damage. The UV Index begins to gradually decline from June to December, but it remains at dangerous levels throughout the year. Therefore, it is critical for both visitors and residents to take precautions such as wearing protective clothing, seeking shade, and applying sunscreen regularly, particularly during these high-risk months to mitigate the risk of harmful sun exposure.

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	13	14	16	16	15	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