UV Index in Calayaan, Philippines

Last updated: July 2, 2025

Awareness of the UV Index in Calayaan, Philippines, is crucial for protecting your skin and overall health. With the region's tropical climate and high exposure to ultraviolet rays, understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage. From late morning to early afternoon, the UV Index can soar to dangerous levels, peaking at a staggering 14 around noon. This makes it vital for residents and visitors alike to stay informed and take necessary precautions when venturing outdoors, ensuring a safe and enjoyable experience under the sun.

Hourly UV Index in Calayaan

The UV Index throughout the day reveals a dynamic shift in sun intensity. As early as 7:00 AM, it starts at a moderate level of 1, but by 9:00 AM, it climbs to a more potent 7. The peak arrives around 12:00 PM, hitting an intense 14, signaling the need for sun protection. As the afternoon progresses, the index gradually declines, reaching 6 by 3:00 PM, then trailing off to 1 by 5:00 PM and below, settling at 0 by 7:00 PM. This data underscores the importance of being vigilant during midday hours when UV exposure is at its highest. Stay safe and enjoy the sun wisely!

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	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	14	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 Calayaan

The UV Index displays significant seasonal variations, peaking during the early months of the year. From January to March, the UV Index reaches extreme levels of 11 to 15, with burn times as short as 10 minutes. April and June maintain a high intensity, while May, July, and August show slightly lower indices around 13 to 14, yet still considered extreme. September holds steady at 14, followed by October at 13. The high-risk months for UV exposure are clearly identified from January through October, prompting strict precautionary measures for both visitors and residents. To safeguard skin health, individuals should utilize adequate sun protection strategies, such as wearing sunscreen, protective clothing, and seeking shade whenever possible, especially during peak daylight hours. As the year winds down, November and December show a slight decrease in UV levels, transitioning to very high exposure, particularly with a UV Index of 10 in December, where burn time extends to 15 minutes. Overall, vigilance remains essential throughout the year.

Monthly Maximum UV Index for Calayaan, Philippines

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

The table above highlights how UV exposure in Calayaan 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.

Calayaan'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
Calayaan	11	13	15	15	13	15	14	14	14	13	11	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