UV Index in Sumag, Philippines

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sumag, Philippines, where the tropical climate can pose significant risks related to sun exposure. With peak levels often reaching as high as 14, awareness of UV levels is essential for preventing sunburn and promoting long-term skin health. This knowledge is particularly vital in Sumag, where the intense midday sun can lead to elevated UV risks, especially from 10 AM to 2 PM. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from harmful rays.

Hourly UV Index in Sumag

As the sun rises, the UV Index gradually climbs, starting with a mild 2 at 07:00. By 08:00, it reaches 4, signaling a need for some sun protection. However, as the day progresses, the index spikes to its peak at 12:00, hitting an intense 14. This mid-day period, particularly from 10:00 to 13:00, is critical, with readings of 10 and 13 respectively, indicating a strong risk of harm from unprotected sun exposure. After the zenith of the afternoon, the index begins its descent, dropping to 9 by 14:00, and further down to 5 by 15:00. As the sun sets, the UV intensity diminishes rapidly, falling back to 1 at 17:00 and finally to 0 by 19:00. Throughout the day, it’s vital to stay informed and safeguard your skin 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	7	high	25 min
10:00	10	very high	15 min
11:00	13	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	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 Sumag

The UV Index exhibits significant seasonal variations, remaining predominantly extreme throughout the year. From January to March, the index climbs steadily, peaking at 16 in both March and April, marking these months as particularly high-risk for sunburn with a burn time of just 10 minutes. May through October maintain an index between 14 and 15, followed by a slight decrease in November and December, where the index drops to 12 and 11, respectively. Visitors and residents should remain vigilant during these high-risk months, especially from January to April, and take necessary precautions such as wearing sunscreen, protective clothing, and sunglasses, to minimize UV exposure during outdoor activities.

Monthly Maximum UV Index for Sumag, Philippines

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

The table above highlights how UV exposure in Sumag 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.

Sumag'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
Sumag	12	14	16	16	14	14	14	14	15	13	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