UV Index in Calilayan, Philippines

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Calilayan, Philippines, where the climate's tropical warmth can lead to elevated sun exposure risks. The UV levels throughout the day can fluctuate dramatically, reaching a peak UV Index of 14 around noon, making it essential to be informed about potential sunburn and long-term skin health effects. By paying attention to these UV levels, you can take proactive measures to protect your skin from harmful rays while enjoying the beautiful outdoor opportunities that Calilayan has to offer. Be aware, especially during the peak hours from 10 AM to 2 PM, when UV exposure is at its highest and skin protection is most needed!

Hourly UV Index in Calilayan

The UV Index today showcases a dramatic rise in solar intensity, starting with a moderate level of 2 at 7:00 AM. As the sun climbs higher in the sky, the intensity peaks at a staggering 14 by noon, marking the most hazardous time for sun exposure. It reaches a maximum of 13 at 1:00 PM, emphasizing the need for protective measures like sunscreen and hats. The afternoon sees a swift decline, dropping to 10 by 2:00 PM and further down to 6 at 3:00 PM. As evening approaches, the UV Index dips to 1 by 5:00 PM, offering some relief, before finally settling at 0 after 7:00 PM. For those planning their day, early morning and late evening provide a safer window for outdoor activities, while midday requires caution to avoid overexposure.

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	1	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	15	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Calilayan

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 Calilayan, Philippines

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Calilayan. 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 Calilayan, 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 Calilayan UV Index with Other Philippines Cities

The table above highlights how UV exposure in Calilayan 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.

Calilayan'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
Calilayan	11	13	15	15	13	14	14	15	14	13	11	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