UV Index in Irosin, Philippines

Last updated: January 18, 2026

Understanding the UV Index in Irosin, Philippines is crucial for safeguarding your skin against harmful ultraviolet rays. With the region's tropical climate, where UV levels can soar during midday, awareness of these levels is vital for sunburn prevention and promoting long-term skin health. On a sunny day, Irosin can experience UV Index readings that peak as high as 14 from noon, indicating an extreme risk of harm from unprotected sun exposure. By staying informed about the UV Index, residents and visitors can take proactive measures to minimize their risk and enjoy the beautiful outdoors safely.

Hourly UV Index in Irosin

The UV Index (UVI) data reveals a dramatic rise in sun intensity throughout the morning, peaking at a striking 14 by noon. The trend begins subtly at 7:00 AM with a low 2, gradually increasing as the sun climbs higher in the sky. By 10:00 AM, the UVI hits 11, indicating very high levels of UV radiation that warrant caution, especially for outdoor activities. The intensity remains at its highest during 11:00 and 12:00 when protective measures are crucial. As the afternoon progresses, the UVI starts to decline, dropping to 5 by 3:00 PM, before tapering off to a mere 1 by 5:00 PM. This data highlights the importance of being vigilant about sun safety, particularly during the peak hours when the UV Index is at its highest.

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	60+ minutes
08:00	2	low	60+ minutes
09:00	5	moderate	30–60 min
10:00	8	very high	10–15 min
11:00	11	extreme	<10 minutes
12:00	12	extreme	<10 minutes
13:00	10	very high	10–15 min
14:00	7	high	15–30 min
15:00	4	moderate	30–60 min
16:00	2	low	60+ minutes
17:00	1	low	60+ minutes
18:00	0	low	60+ minutes
19:00	0	low	60+ minutes

Monthly UV Index Trends in Irosin

The UV Index varies throughout the year, with extreme levels consistently observed from January to September, peaking at 15 in March, April, and September. High-risk months for UV exposure include March through September, where visitors and residents should be particularly vigilant. With a burn time as short as 10 minutes at any point during these months, it's crucial to take precautions such as wearing sunscreen, protective clothing, and sunglasses. As the UV Index starts to decline in October and November, it remains essential to remain aware of sun safety measures, especially in early spring and late summer when UV levels can be deceptively high.

Monthly Maximum UV Index for Irosin, Philippines

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

The table above highlights how UV exposure in Irosin 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.

Irosin'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
Irosin	12	13	15	15	14	14	14	14	15	13	11	11
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