UV Index in Siasi, Philippines

Last updated: June 2, 2025

In the picturesque locale of Siasi, Philippines, awareness of the UV Index is crucial for safeguarding your health under the blazing sun. Understanding UV levels helps you take necessary precautions against sunburn and long-term skin damage, allowing you to enjoy outdoor activities with peace of mind. Nestled in a tropical climate, Siasi experiences high UV exposure, especially between 10 AM and 1 PM, when the index peaks at 13—a level that represents a very high risk for harm from unprotected sun exposure. Stay informed and protected to make the most of the beautiful sun-soaked days in Siasi!

Hourly UV Index in Siasi

As the sun rises, the UV Index climbs steadily, starting at a mild 1 at 07:00. By 08:00, it reaches a moderate 3, but the real intensity kicks in as the day progresses. At 09:00, the UV Index jumps to 7, warning sunbathers to take precautions. The peak arrives at 12:00, soaring to a scorching 13, where protection is crucial. It remains dangerously high at 12 by 13:00, before starting its descent in the afternoon. By 15:00, it cools down to 5, and finally drops to 1 by 17:00. As the sun sets, the UV Index falls to 0 by 19:00, signaling the end of a day filled with sun.

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	1	low	45 min
08:00	3	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	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	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Siasi

Throughout the year, UV levels remain consistently extreme, with the highest readings occurring in March (UV Index 17) and April (UV Index 16). The high-risk months for sun exposure are from January to May, where the UV Index stays between 14 to 17, indicating a burn time of just 10 minutes for unprotected skin. Visitors and residents should take proactive measures during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize exposure. As the year progresses, the UV Index remains notably high, dropping slightly in November and December but still staying within the extreme range. It's essential for everyone to stay vigilant about sun safety throughout the year.

Monthly Maximum UV Index for Siasi, Philippines

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

The table above highlights how UV exposure in Siasi 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.

Siasi'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
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
Siasi	14	15	17	16	15	13	14	15	15	14	13	12