UV Index in Santo Tomas, Philippines

Last updated: August 1, 2025

In Santo Tomas, Philippines, staying aware of the UV Index is crucial for protecting your skin from harmful sun exposure. With a tropical Af climate, the region experiences high UV levels, especially during mid-day hours when the index can soar to as high as 14. Understanding these UV levels is vital for sunburn prevention and maintaining overall skin health. By keeping an eye on the UV Index, residents and visitors can take appropriate measures to shield themselves from the sun’s damaging rays and enjoy the beautiful weather safely.

Hourly UV Index in Santo Tomas

As the sun rises, the UV Index begins its ascent, peaking at a whopping 14 between noon and 1 PM. The early hours start off comfortably, with a moderate UV Index of 2 at 7 AM, but excitement builds as it skyrockets to 11 by 10 AM. By 11 AM, UV levels reach their zenith, urging sun-seekers to take precautions. After this climactic peak, the UV Index gently declines, dipping to 8 by 2 PM, then further down to 5 by 3 PM. As the afternoon fades into evening, protective measures become less critical, with the index dropping to 1 at 5 PM and finally resting at a soothing 0 by 6 PM. This hourly journey signifies a day of solar intensity, reminding us to cherish the warmth while staying safe under the sun!

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	12	extreme	10 min
11:00	14	extreme	10 min
12:00	14	extreme	10 min
13:00	12	extreme	10 min
14:00	9	very high	15 min
15:00	5	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 Santo Tomas

Throughout the year, the UV Index remains alarmingly high in this region, predominantly classified as extreme, prompting year-round caution against sun exposure. The highest risk months for UV exposure are from March to May, when the index peaks at 16. However, even in June through November, the index hovers around 13 to 15, indicating persistent danger. Visitors and residents should prioritize sun safety by seeking shade, wearing protective clothing, and using sunscreen, especially during these high-risk months. Regular skin checks are also advised to monitor for any changes due to increased UV exposure.

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.

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.
	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
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
Santo Tomas	13	14	16	16	15	13	14	14	15	14	13	12