UV Index in Castilla, Philippines

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Castilla, Philippines, where sunny days and warm temperatures are the norm. The UV Index provides vital information about the intensity of harmful ultraviolet rays, helping you take proactive measures against sunburn and skin damage. With a climate characterized by significant sun exposure, especially between 10 AM and 2 PM when the UV Index peaks at 14, staying informed about UV levels is essential for protecting your skin health and ensuring enjoyable outdoor experiences. By being aware of the UV Index, you can enjoy the beauty of Castilla's sunny skies while safeguarding your well-being.

Hourly UV Index in Castilla

The UV Index peaks dramatically during the midday hours, illustrating the sun's intensity in compelling detail. Starting at a modest 2 by 07:00, it swiftly ascends as the day unfolds. By 08:00, it jumps to 5, and then reaches a significant 8 at 09:00. The sun is at its fiercest between 10:00 and 12:00, with the index soaring to 14, an indication to take extra precautions! As 13:00 rolls around, the UV level dips slightly to 12, only to further decrease to 9 by 14:00. Post-midday, the sun's strength wanes; it dramatically drops to 5 by 15:00 and decreases to 1 by 17:00, finally settling at 0 by 19:00. Such data highlights the importance of sun protection during the peak hours when the UV intensity is at its highest.

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 Castilla

Throughout the year, the UV Index in this region remains at an extreme level, with a consistent burn time of only 10 minutes across all months. January through March witnesses the highest UV readings, peaking at 15 in both March and April. The high-risk months for sun exposure are from February to September, where the UV Index reaches 13 or above. Despite a slight decrease to 11 in the final months, the risk remains significant. Visitors and residents are strongly advised to take precautions such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly during peak hours to avoid harmful effects from UV radiation.

Monthly Maximum UV Index for Castilla, Philippines

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

The table above highlights how UV exposure in Castilla 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.

Castilla'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
Castilla	11	13	15	15	14	14	14	14	15	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