UV Index in San Julian, Philippines

Last updated: June 2, 2025

In San Julian, Philippines, understanding the UV Index is crucial for protecting your skin and overall health. With its tropical climate, residents and visitors are exposed to varying levels of ultraviolet radiation throughout the day, peaking at a risky 13 between noon and 1 PM. This is why being aware of the UV levels is essential for sunburn prevention and safeguarding your skin from long-term damage. Knowledge of the UV Index not only helps you plan your outdoor activities wisely but also ensures that you take the necessary precautions to enjoy the beautiful San Julian sunshine while keeping your skin safe and healthy.

Hourly UV Index in San Julian

The UV Index throughout the day showcases a dynamic and intense solar experience. Starting at 7:00 AM, it begins modestly at 2, gradually escalating to 5 by 8:00 AM. The real surge occurs by 9:00 AM, peaking at a striking 11 by 10:00 AM, and reaching its maximum of 13 during both 11:00 AM and 12:00 PM. As the afternoon unfolds, the index starts to decline, dipping to 12 at 1:00 PM and tapering off to 8 by 2:00 PM. By mid-afternoon, the UV intensity diminishes further, falling to 5 at 3:00 PM, before settling at a gentle 2 by 4:00 PM. The evening brings a welcome respite, with the UV Index reducing to 1 at 5:00 PM and finally dropping to zero by 7:00 PM, marking the end of a day characterized by significant exposure potential. Stay protected during those peak UV 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
08:005moderate30 min
09:008very high15 min
10:0011extreme10 min
11:0013extreme10 min
12:0013extreme10 min
13:0012extreme10 min
14:008very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in San Julian

Throughout the year, UV Index levels remain consistently high, peaking at 16 in March and April, signalling extreme exposure risk. January and February also present a significant threat with UV indices of 12 and 13, respectively. Notably, while UV levels stabilize at 14 from June to October, they still warrant caution. This indicates that the high-risk months for UV exposure stretch from January through October. Residents and visitors are strongly advised to adopt protective measures, including wearing sunscreen, protective clothing, and seeking shade, particularly during these months to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for San Julian, Philippines

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Julian. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121316161413141414141211
Data source: Statistical UV Index data for San Julian, 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 Julian UV Index with Other Philippines Cities

The table above highlights how UV exposure in San Julian 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 Julian'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 Julian121316161414141414141211
Budta UVI131516161413141415141311
Davao UVI131516151513141415141311