UV Index in San Jose, Philippines

Last updated: May 3, 2025

Understanding the UV Index in San Jose, Philippines is crucial for safeguarding your skin health and preventing sunburn. With the tropical climate often exposing residents to high UV levels, especially during midday hours, staying informed about UV exposure can help you make safer outdoor plans. For instance, the UV Index peaks at a significant 14 around noon, highlighting the necessity of protective measures to mitigate risks like skin damage and sun-related health issues. By knowing when and how to protect yourself from the sun’s harmful rays, you can enjoy the beautiful weather of San Jose while keeping your skin safe.

Hourly UV Index in San Jose

The UV Index for the day showcases a dynamic rise and fall, peaking in the early afternoon. From a gentle 2 at 7:00 AM, the index escalates to 11 by 10:00 AM, reaching its zenith of 14 at 12:00 PM. This is the point to be cautious; between 11:00 AM and 1:00 PM with values of 13 and 12 respectively, the midday sun is at its strongest. As the afternoon progresses, the UV Index declines, dropping to 9 at 2:00 PM, and continuing to diminish to 6 by 3:00 PM. The evening brings a welcome relief, with readings falling to 1 by both 5:00 PM and 6:00 PM, and finally settling at 0 as the day fades into night. Be sure to protect your skin 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	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	6	high	25 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

During the year, UV exposure remains consistently high to extreme in this region, particularly from January to October, where the UV Index reaches a peak of 15 in April. This indicates that the highest risk months for sunburn and UV exposure are from February to April, with an index ranging between 13 and 15 and a burn time of just 10 minutes. After October, although the UV Index decreases slightly, November and December still present very high exposure levels with a burn time of 15 minutes. Visitors and residents are strongly advised to take protective measures during these months by wearing sunscreen, protective clothing, and seeking shade when outdoors to mitigate the risk of harmful 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	14	15	14	14	14	14	14	13	10	9
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