UV Index in San Diego, Philippines

Last updated: June 2, 2025

In San Diego, Philippines, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Understanding UV levels not only aids in preventing sunburn but also plays a vital role in maintaining long-term skin health. With its tropical climate, San Diego experiences high UV exposure, especially around midday when the index peaks at 14. This means that during peak hours, the risk of skin damage escalates rapidly. Stay informed and protect yourself while enjoying the beautiful sunlit days this vibrant locale has to offer!

Hourly UV Index in San Diego

The UV Index today paints a vivid picture of sun intensity throughout the day. Early risers will experience a gentle start at 07:00 with a low of 2, slowly escalating to a more noticeable 4 by 08:00. As the sun climbs higher, the UV Index reaches a peak of 14 at 12:00—the critical midday moment when sun protection is essential. From there, it begins to taper off, dropping to 12 at 13:00 before plunging down to 1 by 17:00. As evening approaches, UV exposure decreases, ultimately settling at 0 by 19:00. Remember to stay sun-safe 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	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 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