UV Index in San Diego, Philippines

Last updated: May 3, 2025

In San Diego, Philippines, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage. With a tropical maritime climate characterized by sunny days, San Diego sees significant UV exposure, especially during peak hours from 10 AM to 1 PM when the index can reach up to a staggering 13. By staying informed about the UV Index, you can enjoy the beautiful weather while prioritizing your skin’s safety!

Hourly UV Index in San Diego

As the sun rises, the UV Index starts at a mild 2 at 7:00 AM, making it a gentle beginning to the day. By 8:00 AM, it climbs to 4, hinting at the need for a bit of sun protection. The intensity reaches its peak between 10:00 AM and 12:00 PM, soaring to a high of 13. This powerful midday sun calls for extra caution as the UV index hovers at this level for two consecutive hours before gradually tapering off. By 3:00 PM, the UV Index drops to 5 and continues to decline, hitting 1 by 5:00 PM. As evening approaches, the UV levels ease to 0 by 7:00 PM, wrapping up the day with a low-risk, sun-safe atmosphere. Enjoy the bright moments, but don’t forget your sunscreen 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	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	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 Diego

The UV Index exhibits extreme levels throughout most of the year, with particularly high values during the spring and summer months from March to October, peaking at 15 in March. Notably, February through August maintain a consistent UV Index of 13 to 15, indicating that the risk of harm from unprotected sun exposure is significant. Residents and visitors should prioritize sun safety during these high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. Although November and December see a slight decrease in UV levels, caution is still advised, as even in winter months, the UV Index remains very high to extreme. Always consider a max burn time of 10-15 minutes based on the month when planning outdoor activities.

Monthly Maximum UV Index for San Diego, Philippines

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

The table above highlights how UV exposure in San Diego 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 Diego'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 Diego	11	13	15	14	13	14	14	14	14	13	11	10
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