UV Index in Sionogan, Philippines

Last updated: July 2, 2025

Understanding the UV Index in Sionogan, Philippines, is crucial for safeguarding your skin health and preventing sunburn. With the local climate characterized as Af—tropical with high humidity—residents and visitors alike face significant UV exposure, particularly during peak hours when levels can soar as high as 13. By staying informed about daily UV levels, you can take proactive measures to protect yourself from harmful rays, ensuring that outdoor activities remain enjoyable and safe. Awareness of UV Index not only promotes responsible sun behavior but also contributes to long-term skin protection, making it essential for everyone living in or visiting this vibrant region.

Hourly UV Index in Sionogan

The UV Index data reveals a dynamic fluctuation throughout the day, peaking at a maximum of 13 around noon. The morning starts off gently, with readings of only 1 at 07:00 and 3 by 08:00, perfect for early risers. However, as the sun ascends, the intensity rises sharply, hitting a critical 10 by 10:00 and reaching its zenith at 12 by 11:00 and 13 by 12:00. The afternoon sees a gradual decline, with values dropping to 9 at 14:00, and then further sliding to 6 by 15:00. As evening approaches, the UV Index dwindles to 3 by 16:00, and finally tails off to 1 by 17:00, nurturing a calmer end to the day. With clear awareness of these fluctuations, individuals can effectively plan their outdoor activities, ensuring protection during the most intense 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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	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	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 Sionogan

Throughout the year, the UV Index remains in the extreme exposure category, with values peaking in March at 17 and remaining high from February to September. Notably, March and April are the highest risk months, while January and February also pose significant dangers with an index of 14 and 15, respectively. Given the consistent burn time of just 10 minutes, it is crucial for visitors and residents to take protective measures during these months. Recommendations include wearing sunscreen, protective clothing, and seeking shade, especially during peak hours, to safeguard against harmful UV radiation. Always be aware that the risk remains high throughout the year, necessitating vigilance regardless of the month.

Monthly Maximum UV Index for Sionogan, Philippines

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

The table above highlights how UV exposure in Sionogan 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.

Sionogan'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
Sionogan	14	15	17	16	15	13	13	15	15	14	13	12