UV Index in Guiuan, Philippines

Last updated: May 3, 2025

Understanding the UV Index in Guiuan, Philippines is crucial for both residents and visitors, as it serves as a vital gauge for sun safety. With the tropical Af climate of Guiuan, UV levels can soar, particularly between 10 AM and 2 PM, reaching a peak of 14—indicating a very high risk of harm from unprotected sun exposure. This knowledge is essential for preventing sunburn and protecting skin health, ensuring you enjoy all the beautiful beaches and outdoor activities without the adverse effects of overexposure. Stay informed and keep yourself safe while soaking up the sun in this vibrant coastal town!

Hourly UV Index in Guiuan

At dawn, the UV Index begins at a gentle 2 at 7:00 AM, gradually climbing to a peak of 14 by 11:00 AM and 12:00 PM. This midday intensity signals a crucial time for sun safety, as the index emphasizes the need for protection against harmful rays. As the afternoon progresses, the UV levels decrease, dropping to 5 by 3:00 PM and falling further to 1 by 5:00 PM. By 6:00 PM, the index gracefully settles at 0, marking the end of a sun-soaked day. Stay mindful of these UV changes to enjoy the sun safely!

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	9	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	8	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 Guiuan

Throughout the year, UV Index levels remain consistently high, peaking at 16 in March and April, signalling extreme exposure risk. January and February also present a significant threat with UV indices of 12 and 13, respectively. Notably, while UV levels stabilize at 14 from June to October, they still warrant caution. This indicates that the high-risk months for UV exposure stretch from January through October. Residents and visitors are strongly advised to adopt protective measures, including wearing sunscreen, protective clothing, and seeking shade, particularly during these months to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Guiuan, Philippines

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

The table above highlights how UV exposure in Guiuan 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.

Guiuan'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
Guiuan	12	13	16	16	14	14	14	14	14	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