UV Index in Hernani, Philippines

Last updated: August 1, 2025

In Hernani, Philippines, understanding the UV Index is essential for protecting your skin and overall health. With the tropical climate typical of this region, UV levels can soar, especially during midday, where readings can reach a staggering 14. This highlights the importance of being aware of localized UV exposure risks for sunburn prevention and maintaining long-term skin health. As the sun rises, the UV Index climbs quickly, peaking around noon when protective measures are crucial. Staying informed can help residents and visitors alike enjoy the beautiful outdoors while safeguarding their skin from harmful UV rays.

Hourly UV Index in Hernani

The UV Index showcases a dramatic rise and fall throughout the day, offering insights into sun exposure. Starting at 7:00 AM with a mild index of 2, the sun's strength quickly escalates, peaking at 14 between 12:00 PM and 1:00 PM—the prime time for those seeking a tan or outdoor activity. At 10:00 AM, a noteworthy peak of 11 demands caution for sun-sensitive individuals. As afternoon approaches, the index decreases significantly, slipping to 5 at 3:00 PM, then further dropping to a mere 1 by 5:00 PM and fading to 0 after 6:00 PM. This data highlights the critical hours for protection against UV exposure, especially from 10 AM to 2 PM, where the sun is at its most intense.

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	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 Hernani

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 Hernani, Philippines

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

The table above highlights how UV exposure in Hernani 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.

Hernani'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
Hernani	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