UV Index in San Jose, Philippines

Last updated: August 1, 2025

In San Jose, Philippines, staying aware of the UV Index is essential for safeguarding your skin and overall health. With the region's tropical climate and high sun exposure, understanding UV levels can significantly aid in preventing sunburn and reducing the long-term risks of skin damage. Throughout the day, UV levels can spike dramatically, with peaks reaching as high as 14 around noon. This highlights the necessity of taking proactive measures during those critical hours to protect yourself from harmful UV rays and ensure a healthier outdoor experience.

Hourly UV Index in San Jose

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 San Jose

The UV Index remains consistently high throughout the year, indicating a strong potential for skin damage from sun exposure. The highest levels are observed in March with a UV Index of 16, continuing at this level through April, which marks a critical time when to exercise extra caution. January and February also show extreme UV levels at 13, highlighting the necessity for protective measures even during the cooler months. As summer approaches, from June to August, the UV Index stabilizes at 13-14, keeping burn times at a critical 10 minutes. It's essential for both visitors and residents to wear adequate sunscreen, protective clothing, and seek shade, especially during peak sun hours, to mitigate the risks associated with prolonged sun exposure year-round.

Monthly Maximum UV Index for San Jose, Philippines

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

The table above highlights how UV exposure in San Jose 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.

San Jose'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
San Jose	13	13	16	16	14	13	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