UV Index in La Union, Philippines

Last updated: June 2, 2025

Understanding the UV Index is crucial in La Union, Philippines, where the sun’s rays can be particularly intense, especially during peak hours. Knowledge of UV levels plays a vital role in preventing sunburn and protecting skin health, allowing residents and visitors to enjoy the beautiful beaches without the risk of adverse effects. With a tropical climate and high humidity, La Union typically experiences strong UV exposure, reaching a maximum of 13 during midday—just the right time for sun protection strategies to take center stage. Staying informed about the UV Index empowers everyone to embrace outdoor activities safely while minimizing skin damage risks associated with excessive sun exposure.

Hourly UV Index in La Union

The UV Index chart for the day reveals a dramatic ascent in solar intensity as the sun rises. Starting at a low 2 at 07:00, the index builds momentum, hitting 5 by 08:00, and surging to a peak of 13 from 11:00 to 12:00. During this crucial midday window, the sun is at its zenith, signaling the best time for sun protection measures. As the afternoon progresses, the index begins to decline, dropping back to 5 by 15:00, and further down to 0 by 19:00. This data serves as a friendly reminder to embrace the sunshine cautiously and stay protected 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	5	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	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 La Union

The UV Index data reveals significant seasonal changes in sun exposure, with the highest risk months being March and April, when the index peaks at 16. Throughout the year, the UV Index remains in the extreme category, indicating that even short exposure can lead to skin burns in as little as 10 minutes. Notably, January to June, and August to October also maintain indices above 12, emphasizing the need for vigilance. Visitors and residents are strongly advised to take precautions during outdoor activities year-round, including wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of harmful UV exposure.

Monthly Maximum UV Index for La Union, Philippines

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

The table above highlights how UV exposure in La Union 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.

La Union'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
Budta UVI	13	15	16	16	14	13	14	14	15	14	13	11
La Union	13	14	16	16	14	13	13	15	14	14	12	11
Davao UVI	13	15	16	15	15	13	14	14	15	14	13	11