UV Index in San Isidro, Philippines

Last updated: June 2, 2025

In San Isidro, Philippines, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a tropical climate characterized by intense sunlight, the UV levels can soar, peaking at an alarming 14 during midday hours. Being aware of these levels helps residents and visitors alike take necessary precautions to protect their skin from harmful rays. As you plan your day under the sun, keep in mind that even a short exposure during high UV intensity can lead to skin damage. Stay informed, stay safe, and enjoy the beautiful weather that San Isidro has to offer!

Hourly UV Index in San Isidro

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.
TimeUVICategoryTime to Burn
07:002low45 min
08:004moderate30 min
09:007high25 min
10:0011extreme10 min
11:0013extreme10 min
12:0014extreme10 min
13:0012extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in San Isidro

The UV Index values exhibit a consistent extreme exposure category throughout the year, with notably high levels from January to August, peaking at 15 in March, April, and August. Residents and visitors should be particularly cautious during the high-risk months of March, April, and August, as the elevated UV Index poses a significant risk of harm to unprotected skin in just 10 minutes. Regardless of the month, it is vital to wear protective clothing, apply sunscreen liberally, and seek shade as much as possible. Always remain vigilant about UV exposure to ensure a safe and enjoyable experience outdoors.

Monthly Maximum UV Index for San Isidro, Philippines

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Isidro. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141514131111
Data source: Statistical UV Index data for San Isidro, 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 Isidro UV Index with Other Philippines Cities

The table above highlights how UV exposure in San Isidro 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 Isidro's solar exposure compared to other cities in Philippines. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Caloocan City UVI111315151314131414131010
Quezon City UVI111315151314131414131010
Manila UVI111314141313131414131010
San Isidro111315151314141514131111
Budta UVI131516161413141415141311
Davao UVI131516151513141415141311