UV Index in San Jose, Philippines

Last updated: June 2, 2025

In San Jose, Philippines, being aware of the UV Index is crucial for ensuring skin health and preventing sunburn. With a tropical climate characterized by high UV exposure, understanding the daily fluctuations in UV levels can help residents and visitors make informed decisions about sun protection. During peak hours, particularly between 10 AM and 2 PM, the UV Index can soar to 14, indicating extreme risk of harm from unprotected sun exposure. By keeping an eye on these levels, you can enjoy the sun safely while safeguarding your skin against long-term damage.

Hourly UV Index in San Jose

The UV Index trend throughout the day reveals a striking peak during midday hours, urging caution for outdoor enthusiasts. Starting modestly at 2 at 07:00, the index rapidly climbs, reaching a significant 14 by 12:00, making this the most critical time for sun exposure. Even as the clock ticks towards the afternoon, the UV levels remain high, peaking at 13 at 11:00 and 12:00, before gradually declining to 5 by 15:00. As the day winds down, the index drops to 3 at 16:00, then tapering off to 1 by the evening hours. For those venturing outside, it's essential to protect your skin between 10:00 AM and 2:00 PM, when the sun's rays are 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	4	moderate	30 min
09:00	8	very high	15 min
10:00	11	extreme	10 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 San Jose

Throughout the year, the UV Index in this region remains at an extreme level, with a consistent burn time of only 10 minutes across all months. January through March witnesses the highest UV readings, peaking at 15 in both March and April. The high-risk months for sun exposure are from February to September, where the UV Index reaches 13 or above. Despite a slight decrease to 11 in the final months, the risk remains significant. Visitors and residents are strongly advised to take precautions such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly during peak hours to avoid harmful effects from UV radiation.

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	11	13	15	15	14	14	14	14	15	13	11	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