UV Index in Santo Tomas, Philippines

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors of Santo Tomas, Philippines, where tropical climate intensifies sun exposure. With UV levels soaring as high as 14 during midday hours, being aware of these rays is critical for preventing sunburn and maintaining skin health. With Santo Tomas experiencing consistently high UV risks, especially in the late morning to early afternoon, knowing when to seek shade or apply sunscreen can make a significant difference in protecting your skin from harmful effects. Stay informed and stay safe under the sun!

Hourly UV Index in Santo Tomas

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 Santo Tomas

The UV Index displays significant seasonal variation, with the highest values occurring from March to October, where the index remains consistently high at 13 to 15, indicating an extreme exposure category with a burn time of 10 minutes. January to February begins the year with slightly lower but still extreme indices of 11 to 13, while December sees a marginal decrease to 10, classified as very high with a longer burn time of 15 minutes. The worst months for UV exposure are March and April, peaking at 15. To ensure safety, visitors and residents should take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, particularly from late morning to mid-afternoon when the sun's rays are most intense.

Monthly Maximum UV Index for Santo Tomas, Philippines

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santo Tomas. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314141414131110
Data source: Statistical UV Index data for Santo Tomas, 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 Tomas UV Index with Other Philippines Cities

The table above highlights how UV exposure in Santo Tomas 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 Tomas'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
Santo Tomas111315151314141414131110
Budta UVI131516161413141415141311
Davao UVI131516151513141415141311