UV Index in San Isidro, Philippines

Last updated: May 3, 2025

Understanding the UV Index in San Isidro, Philippines is essential for safeguarding your skin health and preventing sunburn. With a climate categorized as Af, the region typically experiences high UV levels, particularly during midday when the index peaks at 14, indicating a substantial risk for harm. By staying informed about the UV Index, residents and visitors alike can take proactive steps to protect themselves from overexposure to the sun, ensuring enjoyable outdoor activities while minimizing long-term skin damage. Embracing this awareness encourages a healthier lifestyle under the radiant Philippine sun.

Hourly UV Index in San Isidro

At 07:00, the UV Index starts at a modest 2, but as the sun rises higher, it escalates rapidly. By 08:00, the index doubles to 4, signaling a gradual increase in UV exposure. The peak arrives between 10:00 and 12:00, where it hits an impressive 14, indicating a high risk of harm from unprotected sun exposure. Temperatures soar as the index dips slightly to 12 by 13:00 and further declines to 9 by 14:00. As the afternoon progresses, the UV levels plummet, dropping to 5 at 15:00 and falling to 2 by 16:00. The sun's strength fades further with readings of 1 at 17:00 and finally reaching 0 after 18:00. It's a stark reminder of the sun's intensity, urging everyone to prioritize sun safety 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.
Time	UVI	Category	Time to Burn
07:00	2	low	45 min
08:00	4	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 San Isidro

Throughout the year, UV Index values remain consistently high, reflecting an extreme exposure category from January to November, with burn times averaging only 10 minutes across all months. The peak UV levels occur from March to April, reaching a maximum of 17 in April, highlighting these months as the highest risk for sunburn and skin damage. Visitors and residents should take precautions during these months, including wearing adequate sunscreen, protective clothing, and seeking shade when possible. Even in the cooler months of November and December, where the UV Index ranges from 11 to 12, it is wise to remain vigilant about sun protection to minimize long-term skin damage.

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.

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.
	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
San Isidro	13	14	16	17	14	13	13	14	15	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